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7635742 |
Modified isocyanates
Modified stable polyisocyanates are described having at least one isocyanate function modified by a group having cross-linking functionality. The modified stable polyisocyanates may be prepared by...
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7635662 |
Compound for color-producing composition, and recording material
A urea-urethane compound having one or more urea groups and one or more urethane groups in the molecular structure, the number of said urea groups (A) and the number of said urethane groups (B)...
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7576235 |
Processes for preparing bis(urea-urethane) compounds
Processes for preparing bis(urea-urethane) compounds
wherein R 1 is alkyl, aryl, arylalkyl, or alkylaryl, R 2 is alkylene, arylene, arylalkylene, or alkylarylene, R 3 is alkylene, arylene,...
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7560587 |
Bis[urea-urethane] compounds
Disclosed is a bis(urea-urethane) compound of the formula
wherein R 1 and R 1 ′ each, independently of the other, is an alkyl group, wherein at least one of R 1 and R 1 ′ has at least...
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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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7520222 |
Phase change ink formulation containing a combination of a urethane resin, a mixed urethane/urearesin, a mono-amide and a polyethylene wax
Phase change ink carrier compositions comprising an admixture of (1) at least one urethane resin; and/or (2) at least one mixed urethane/urea resin; and/or (3) at least one mono-amide; and/or (4)...
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7498394 |
(Meth)acrylic and (meth)acrylamide monomers, polymerizable compositions, and polymers obtained
The present invention provides novel (meth)acrylic and (meth)acrylamide monomers and polymers produced from those monomers. The monomers of the invention each include only a single vinyl...
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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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7388104 |
Fluorinated urethane compounds and compositions containing the same
A fluorine-containing urethane compound of the general formula:
[Rf-A 1 -(X 1 (OH))—(Y 1 ) a —OC(═O)NH—] m I[—NHC(═O)O—Y 2...
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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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7329773 |
Process for producing carbamoyloxy (meth) acrylates and new carbamoyloxy (meth)acrylates
The invention relates to a process for producing carbamoyloxy (meth)acrylates which comprises transesterification of hydroxyalkyl carbamates with an (meth)acrylate of formula CH 2 ═CR 29 —COOR...
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7323532 |
Low-viscosity radiation-curing and thermally curing polyisocyanates
The present invention concerns a process for producing low-viscosity polyisocyanates or secondary products thereof, which carry activated, radiation-curable double bonds and can optionally also...
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7223795 |
Modified peptide derivatives and methods of use thereof
The present invention relates to a compound of formula I
wherein
(i) when a and c are double bonds, R 2 is absent, b is a single bond,
R 1 is
or
(ii) when a and c are...
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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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7193101 |
Esters with antimicrobial, bioresistant and fungal resistant properties
A bromine/nitro moiety linked into the backbone of an ester or other compound over a wide range of occurrence rates provides antimicrobial, bio-resistant and fungal resistant properties for metal...
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7161023 |
Morphology control of substituted diacetylenic monomers for shelf life monitoring systems
A system for recovering a diacetylenic monomer shelf life monitoring compound of reduced particle size and narrow size distribution range which comprises quenching a solution of the monomer by...
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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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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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7074852 |
Blocked polyisocyanates
Blocked polyisocyanates and one-component stoving systems containing these blocked polyisocyanates, and the preparation thereof and their use for the preparation of lacquers, paints, adhesives and...
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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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6977309 |
Compounds having a secondary or tertiary hydroxy of halide group separated from a primary carbamate group by three or more carbon atoms and a method of making the same
Provided is a compound having one or more structures of the formula:
wherein X is a primary carbamate group, Y is a hydroxy or halide group, n is an integer of 2 or more, n′ is an integer of...
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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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6933269 |
Polyaspartate derivatives for use in detergent compositions
Polyaspartate derivatives, especially hydrophobically modified and/or hydrophilically modified polyaspartate derivatives, most especially polyaspartate derivatives that are both hydrophilically and...
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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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6916948 |
Bis(1,3-dihydroxy-prop-2-yl) amine and derivatives thereof in the manufacture of polymers
Derivatives of bis-(1,3-dihydroxy-prop-2-yl)amine are disclosed, together with the use of such derivatives and of bis(1,3-dihydroxy-prop-2-yl)amine itself in the preparation of polymers, in...
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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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6888028 |
Process for preparation polyisocyanate composition
Using at least one compound selected from the group consisting of a zirconyl compound and a zirconium alcoholate as an allophanation catalyst, an allophanate group-containing polyisocyanate...
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6884905 |
Degradable carbamate-containing bis(acryloyl) crosslinkers, and degradable crosslinked hydrogels comprising them
One aspect of the present invention relates to base-labile, carbamate-containing crosslinkers. A second aspect of the present invention relates to degradable crosslinked polymers and hydrogels...
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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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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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6825376 |
NCO prepolymers prepared from isophorone diisocyanate and having a low monomer content
The present invention relates to solvent-free, NCO prepolymers having a residual IPDI monomer content of less than 2.0 wt. %, an NCO content of 2.0 to 5.0 wt. % and a viscosity of 5000 to 20,000...
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6803109 |
Water-and oil-repellency imparting urethane oligomers comprising perfluoroalkyl moieties
Fluorochemical urethane compositions comprising one or more compounds or oligomers having at least on fluorine-containing repeatable unit and at least one fluorine-containing terminal group are...
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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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6784273 |
Biomedical polyurethane, its preparation and use
The invention is directed to a novel biomedical polyurethane based on diisocyanatae linked polyester polymer and diol components, said diol component having a uniform block-length.
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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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6730768 |
Methods of preparing casting resins and coating compositions using polyols derived from high oleic acid content fatty acid mixtures
A method for preparing a polyol useful in the formation of an isocyanate casting resin or coating composition is presented involving the reaction of an essentially C 18 fatty acid mixture with a...
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6710085 |
Methods for enhancing plant growth using diacyl ureas
The present invention is directed to new compositions of matter comprising the reaction products of a carboxylic acid and a urea having the formula: where R 1 , R 2 , R 3 and R 4 are the same...
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6710157 |
Polycarbamates and method for the production thereof
The invention relates to polycarbamates of the formula I in which R and R′ are identical or different and are alkyl groups having 1-4 carbon atoms and n is a number from, on average, 2 to 5.
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6710151 |
Terminal-blocked isocyanate prepolymer having oxadiazine ring, process for producing the same, and composition for surface-coating material
The end-blocked isocyanate prepolymer having an oxadiazine ring according to the present invention is characterized in that at least one of isocyanate groups of a NCO-terminated isocyanate...
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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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