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7553921 |
Polyether polyol composition and use thereof
A polyether polyol composition, the reactivity of which with a polyisocyanate can be controlled, to thereby obtain an isocyanate group-terminated prepolymer having excellent storage stability. A...
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7553906 |
Dual cure systems
An organic polyisocyanate with at least one unsaturated functional group is capable of copolymerizing when exposed to actinic radiation. The polyisocyanate comprises structural units with the...
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7468454 |
Amino-functional polyurethane prepolymers and a process for their preparation
The present invention relates to a process for preparing amino-functional polyurethane prepolymers by
a) preparing an NCO-functional polyurethane prepolymer by reacting an excess of one or...
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7399786 |
Derivatives of amino acids for treatment of obesity and related disorders
Novel amino acid derivatives are provided that are useful for management of disorders such as obesity and immunological diseases. The derivatives are also useful in lowering blood glucose levels in...
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7339020 |
High-functionality polyisocyanates
High-functionality polyisocyanates are prepared by a process which comprises
(i) preparation of an addition product (A) which contains one group which is reactive toward isocyanate and at...
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7262209 |
Carbonyloxy-cyanomethyl compounds as antiparasitic agents
The invention relates to compounds of the general formula
wherein Ar 1 , Ar 2 , R 4 , R 5 , R 6 , R 7 , R 8 , W, X, a and b have the significances given in the specification, and optionally the...
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7220814 |
Hydrophilicized blocked polyisocyanates
The present invention relates to new hydrophilicized blocked polyisocyanates, a process for preparing them and their use.
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7199207 |
Neutral-coloured 1K polyurethane adhesive
A polyurethane prepolymer obtainable by reacting at least one aromatic polyisocyanate having symmetrical substitution of NCO groups and at least one aromatic polyisocyanate having asymmetric...
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7141616 |
Radically curable urethane prepolymers and their use in dental materials
The invention relates to urethane prepolymers, obtainable by reaction of:
(A) 15 to 85 wt.-% of one or more α,ω-terminated poly(meth)acrylate diols, (B) 0 to 30 wt.-% of one or more...
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7135128 |
Polyurethane compositions with a low content of diisocyanate monomer(s)
At least one isocyanate-reactive monomer is reacted with an excess of molten monomeric diisocynate to produce at least one reaction product and a maximum of 0.5 wt % of free isocyanate groups. The...
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7129312 |
Adhesion promoters for monomer-free reactive polyurethanes
Polyurethane compositions are produced in a two-stage method. In a first step, a diol component with a molecular weight of less than 2000 is reacted with a monomeric diisocyanate with a molecular...
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7119131 |
Urethane binder compositions for foundry applications
Foundry cores and molds for casting metals are prepared by forming a binder comprising a polyol, an isocyanato urethane polymer and a urethane catalyst. The binder additives and resin formulations...
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7101954 |
Polymeric urethane ester quats and their use in personal care compositions
The present invention relates to a composition and use of polymeric urethane esters quats as an active ingredient for skin and hair contacting personal care compositions and products related...
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7087700 |
Polymeric urethane ester tertiary amines and related personal care formulations
The present invention is directed to compositions comprising polymeric tertiary amines of urethane esters and salts thereof. The compositions are generally derived from linear or branched chain...
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7045650 |
Polyurethane elastomers having improved physical properties and a process for the production thereof
A polyol composition having a number average molecular weight of from about 1,000 to about 3,000 Daltons is made up of (1) at least 60% by weight of a low monol polyoxypropylene polyol having a...
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7038003 |
Polyether allophanates stable towards discolouration
A process for preparing polyisocyanate prepolymers containing allophanate structural units that includes reacting
a) one or more polyisocyanates with b) one or more polyetherpolyols...
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7034185 |
Colorant precursor compositions
Disclosed are colorant precursor compounds of the formula
wherein R is an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, and wherein R can be joined to the phenyl moiety...
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7033522 |
Pulverulent, water-dispersible, blocked polyisocyanate adducts, a process for the preparation and their use
A blocked polyisocyanate adduct including 5 to 95% by weight of at least one isocyanate component having at least one NCO group, the isocyanate component selected from the group consisting of...
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7015349 |
Reduction of hair growth
Compositions including a conjugate of α-difluoromethylornithine can be applied topically to reduce hair growth.
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6991746 |
Polymeric allophanates of diphenylmethane diisocyanate, perpolymers of these polymeric allophanates, and processes for the preparation of the polymeric allophanates and the prepolymers thereof
The present invention relates to a new high functionality MDI. In particular, this invention relates to polymeric allophanates based on diphenylmethane diisocyanate having an NCO group content of...
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6972340 |
Selective protein tyrosine phosphatatase inhibitors
Compounds of formula (I)
or therapeutically acceptable salts thereof, are selective protein tyrosine kinase-B (PTP1B) inhibitors. Preparation of the compounds, compositions containing the...
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6951939 |
Multivalent platform molecules comprising high molecular weight polyethylene oxide
Valency platform molecules comprising high molecular weight polyethylene oxide groups are provided, as well as conjugates thereof with biologically active molecules, and methods for their...
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6930196 |
Polyurethane hydrogel contact lens
A prepolymer is prepared by reacting a mixture containing (a) at least one multifunctional compound, (b) at least one diisocyanate, and (c) at least one diol. The diol has a weight average...
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6894139 |
Catalysts, in particular for the preparation of polyisocyanate polyadducts
Catalysts contain, as structural units, at least one tertiary amino group and at least one group which, after its decomposition, is capable of complexing or protonating the tertiary amino group.
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6887399 |
Polymeric allophanates of diphenylmethane diisocyanate, prepolymers of these polymeric allophanates, and processes for the preparation of the polymeric allophanates and the prepolymers thereof
The present invention relates to a new high functionality MDI. In particular, this invention relates to polymeric allophanates based on diphenylmethane diisocyanate having an NCO group content of...
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6884904 |
MDI-based polyurethane prepolymer with low monomeric MDI content
An MDI/polypropylene polyether prepolymer composition consisting essentially of at least 80 wt % perfect prepolymers and less than 2 wt % free MDI monomer suitable for use in polyurethane adhesive...
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6878794 |
Urethane resins
Amine-terminated urethane oligomer compositions are described that include very high oligomer concentrations. The compositions are melts of the amine-terminated oligomers. The compositions can...
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6861493 |
Branched polyurethanes, formulations comprising them, and their use for thickening aqueous systems
Branched polyurethanes which are preparable by reacting
A) one or more aliphatic and/or aromatic isocyanates having a functionality of at least three with B) from 90.0 to 99.8 eq. % of one...
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6852823 |
Polyurethane and polyurethane-urea elastomers from polytrimethylene ether glycol
Polyurethanes or polyurethane-ureas prepared from: (a) polytrimethylene ether glycol having a number average molecular weight in the range of about 1,000 to about 4,000 and unsaturated end groups...
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6830705 |
Liquid stable MDI prepolymers and liquid stable curative systems suitable for room temperature casting which yield high performance urethane elastomers
The invention relates to liquid stable MDI prepolymers and curative systems which are suitable for room temperature casting and which yield high performance low-shrinkage urethane elastomers upon...
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6809126 |
Solid, radiation-curing powder coating binders and a process for preparing the same
The present invention relates to powder coating binders containing polyurethanes having (meth)acryloyl groups which are applied onto a substrate, fused with heat and cured by electromagnetic...
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6803378 |
HIV integrase inhibitors
Novel diketoacid compounds of Formula I are provided which are useful as HIV integrase inhibitors and for the treatment of AIDS or ARC.
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6800716 |
Polymeric urethane ester quats and their use in personal care compositions
The present invention relates to a composition and use of polymeric urethane ester quats as an active ingredient for skin and hair contacting personal care compositions and products related...
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6797799 |
High 2,4′-diphenylmethane diisocyanate content prepolymers
The present invention provides NCO prepolymers comprising the reaction product of (1) an allophanate-modified diphenylmethane diisocyanate having an NCO group content of 12 to 32.5% by weight and...
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6797771 |
Aqueous composition that can be hardened physically, thermally or thermally and with actinic radiation and the derivatives and production thereof
The invention concerns a novel aqueous composition that can be hardened physically, thermally and/or with actinic radiation, containing a compound of general formula (I):...
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6777524 |
Polyether polyurethane
Disclosed is a polyether polyurethane comprising (A) at least one polyisocyanate having two or more isocyanate groups, which is selected from the group consisting of an aromatic polyisocyanate and...
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6753386 |
Polyurethane polyols and coatings thereof having reduced viscosity
The present invention relates to a film forming composition, a method of forming the composition, and application of the composition to coating formulations which provide a cured coating having...
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6743374 |
Self-emulsifiable polyisocyanate with high functionality and process for producing the same
A self-emulsifiable polyisocyanate with high functionality, having the average number of functional groups in 4.3 or more and a viscosity of 8,000 mPa·s (at 25° C.) or less, which is obtained by...
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6683151 |
Supramolecular compound
The invention relates to a compound comprising a reaction product of (A) an isocyanate functional compound of which at least 40 wt. %, relative to the total amount of (A), has a molecular weight of...
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6673889 |
Radiation curable coating containing polyfuorooxetane
Acrylate, or methacrylate, or allylic, functionalized polyfluorooxetanes are disclosed for use in radiation curable coating compositions. These acrylate, or methacrylate, or allylic, functionalized...
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6638983 |
Demulsification of water-in-oil emulsions
Water-in-Oil emulsions are demulsified using adducts of a) polyalkylene glycols (PAGS) having a molecular weight greater than 6,500 and up to 60,000, ethylene oxide (EO), and diisocyanates (DIs) or...
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6624277 |
Polyurethane polyol compositions and coating compositions comprising the same
The present invention relates to polyurethane polyol compositions comprising the reaction product of a polyisocyanate, a polyol, and a Guerbet alcohol having at least 12 carbon atoms or a Guerbet...
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6617468 |
Rheologically active urea urethane compounds
The invention relates to a process for preparing a solution which comprises urea urethanes and is effective as a thixotropic agent, which involves reacting at least two structurally different...
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6569352 |
Phthalic anhydride based polyester-ether polyols and urethane prepolymers produced therefrom
Disclosed are polyester-ether polyols and their use in urethane prepolymers, urethane foams and non-foam urethane coatings, adhesives, sealants and/or elastomers. Methods for producing such...
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6559260 |
Allyl urethane resin compositions
The present invention is for a new class of allyl urethane resin which can be cured with peroxide at high temperature alone or in combination with some accelerators. These allyl urethane resins can...
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6515164 |
Low monomer polyurethane prepolymer and process therefore
A low-monomer PU prepolymer containing free NCO groups which is obtained from polyhydric alcohols and diisocyanates differing in their reactivity and which is distinguished by the ratio of the NCO...
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6515125 |
Liquid partially trimerized polyisocyanates based on toluene diisocyanate and diphenylmethane diisocyanate
This invention relates to storage-stable, liquid, partially trimerized polyisocyanates having an NCO group content of 24 to 40% by weight, and comprising 20 to 88% by weight of toluene diisocyanate...
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6506899 |
Pigment dispersants formed by reacting an isocyanate with a poly (ethylene glycol) alkyl ether, a polyester or polyester or polyacrylate and a diamine
Pigment dispersants prepared by reacting an isocyanate oligomer having an average functionality of at least three with a polyester or polyacrylate, a poly(ethylene glycol)alkyl ether, and a diamine...
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6495652 |
Prepolymers containing isocyanate groups and a method for the production thereof
Prepolymers which contain isocyanate groups, have an NCO content of at least 30.0% by weight and can be prepared by reacting an isocyanate mixture consisting predominantly of diphenylmethane...
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6489503 |
Storage stable methylene bis(phenylisocyanate) compositions
The present invention provides a liquid methylene bis(phenylisocyanate) composition including a high concentration of methylene bis(phenylisocyanate) which has an improved storage stability. The...
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