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7622512 |
Cationic hydrophilic siloxanyl monomers
The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain cationic monomers...
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7449537 |
Antineoplastic polyalkoxyalkylsiloxanes and methods of use thereof
Polyaminofunctional alkoxy polysiloxanes which exhibit antineoplastic activity are disclosed. Pharmaceutical compositions including an effective amount of a polyaminofunctional alkoxy polysiloxane...
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7244420 |
Cosmetic composition based on organic silicon compounds comprising at least a function with a cosmetic effect
The invention concerns a composition comprising, in a cosmetically acceptable medium, at least 0.02 weight percent relative to the composition total weight, one or several water soluble...
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7238768 |
Polysiloxanes and their preparation
An amino-functional polysiloxane is prepared by reacting an aminosilane (A) which contains an aminoalkyl group and at least one alkoxy group bonded to Si with a carboxylic acid and a...
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7238767 |
Silicone modified polyurea
The present invention includes a novel polyol prepolmer including an aliphatic amine, aromatic amine, or a mixture of both aliphatic and aromatic amines with an epoxy functional silicone to produce...
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7202375 |
Bissilylamino group-bearing chlorosilane compound and preparation method, and method of preparing bissilylamino group-bearing organooxysilane compound
Bissilylamino group-bearing chlorosilane compounds of formula (1):
[(CH 3 ) 3 Si] 2 NCH 2 CH 2 CH 2 Si(CH 3 ) n Cl 3−n ...
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7157535 |
Polymeric photoinitiators
UV curable compositions, polymeric photoinitiators and precursors therefor are described.
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7141692 |
Molecular photoresists containing nonpolymeric silsesquioxanes
A nonpolymeric silsesquioxane is provided wherein at least one silicon atom of the silsesquioxane is directly or indirectly bound to an acid-cleavable substituent R CL . The silsesquioxane has a...
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7132557 |
Amine compounds and curable compositions derived therefrom
Disclosed are compounds produced by a process comprising the step of reacting an amine reactant with an epoxide reactant to form a hydrolytically stable carbon-nitrogen bond therebetween, wherein...
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7132493 |
High refractive index aromatic-based prepolymer precursors
Relatively high refractive index polymeric compositions and ophthalmic devices such as for example intraocular lenses and corneal inlays made therefrom are described herein. The preferred polymeric...
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7087776 |
Silanol enzyme inhibitors
Compounds of formula (I, II, or III), wherein X is OH; Y is OH, H, lower alkyl of one to six carbons or heteroatoms or F; Z and Z′ are independently H, lower alkyl or Q 3 Si where Q is lower...
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7064174 |
Silicon containing compounds
A silicon containing adduct having the formula (I) wherein X is an electron withdrawing group selected from the group consisting of carbonyl and sulphone groups, sulphonium and phosphonium salts; R...
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6969769 |
N-halamine siloxanes for use in biocidal coatings and materials
Heterocyclic and acyclic silane monomers and siloxane polymers, and their halogenated derivatives, are provided for the purpose of functionalizing surfaces or materials so as to render them...
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6960678 |
Silanol enzyme inhibitors
Compounds of formula (I, II or III), wherein X is OH; Y is OH, H, lower alkyl of one to six carbons or heteroatoms or F; Z and Z′ are independently H, lower alkyl or Q 3 Si where Q is lower alkyl...
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6936676 |
One-part, room temperature moisture curable resin composition
This invention provides a one-part, room temperature moisture curable resin composition which comprises a ketimine prepared by reacting a ketone having a substituent at α position and a polyamine...
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6918931 |
Prepolymers with yellow dye moiety
Yellow dye moiety-containing prepolymers with blue light absorbing priorities and methods for producing the same for use in the production of relatively high refractive index polymeric compositions...
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6730766 |
Organopolysiloxanes having quaternary ammonium groups and processes for the preparation thereof
Organopolysiloxanes bearing quaternary ammonium groups and containing units of the general formula —[R 2 —(SiR 2 —O) b —SiR 2 —R 2 —N + R 1 2 ] n —·nX − (I′) where R are...
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6673359 |
Terminally modified, amino, polyether siloxanes
The present invention teaches the composition of terminally modified, amino, polyether, siloxanes, known henceforth as amino siloxane alkokylates, and their use as adjuvants. The amino siloxane...
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6663705 |
Vulcanizing adhesive composition
A vulcanizing adhesive composition comprising a copolymerization oligomer of amino group-containing alkoxysilane and vinyl group-containing alkoxysilane, a nonionic surfactant of HLB 10-16 and an...
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6646118 |
Solid phase synthesis
The present invention relates to a support system for solid phase synthesis of oligomers, such as oligonucleotides, wherein the starting compound is bound to the support via a disiloxyl linkage....
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6534615 |
Preparation of amino-functional siloxanes
The invention relates to a process for preparing an amino-functional organosiloxane of the formula III, (SiO {fraction (4/2)} ) k (R 1 SiO {fraction (3/2)} ) m (R 1 2 SiO {fraction (2/2)} ) p (R 1...
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6531620 |
Cyclic silazanes
The invention relates to cyclic silazanes of the formula II in which R is a divalent, Si—C and C—N-bound, optionally cyano- or halogen-substituted C 3 -C 15 -hydrocarbon radical, in which...
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6515095 |
Nitrogen atom-containing polysiloxanes, their preparation, and fiber and fabric finishing agent compositions
Novel nitrogen atom-containing polysiloxanes having residual alkoxy groups are provided. Compositions comprising the same are effective for treating fibers or fibrous materials for imparting...
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6506921 |
Amine compounds and curable compositions derived therefrom
Disclosed are compounds produced by a process comprising the step of reacting an amine reactant with an epoxide reactant to form a hydrolytically stable carbon-nitrogen bond therebetween, wherein...
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6489498 |
Silanes with hydrophilic groups, their synthesis and use as surfactants in aqueous media
Silanes of the general formula are prepared, wherein R 1 , R 2 and R 3 in the molecule are the same or different and represent aliphatic or aromatic hydrocarbon groups, R 4 is a divalent...
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6482912 |
Method of preparing aminofunctional alkoxy polysiloxanes
A method of preparing a aminofunctional alkoxy polysiloxane is disclosed. The method includes reacting a polyhydrosiloxane with an alcohol reactant containing an aminoalcohol to form the...
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6482969 |
Silicon based quaternary ammonium functional compositions and methods for making them
There are disclosed novel quaternary ammonium functional silicones and silanes and methods to make quaternary ammonium functional silicones and silanes. Quaternary ammonium functionality may be...
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6414139 |
Silicon amphiphilic compounds and the use thereof
Novel silicon amphiphilic compounds which comprise a silicon residue. The silicon amphiphilic compounds are particularly suitable for use in compositions for diagnostic imaging, such as ultrasound....
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6403227 |
Aminosilane coating composition, process, and coated articles
An improved coating comprising a coating on a substrate is described. The coating comprises a crosslinked polymeric material derived from an alkine-bridged bis-(aminosilane) or comprising a mixture...
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6395858 |
Aminopropyl-functional siloxane oligomers
The present invention relates to mixtures of catenate and cyclic siloxane oligomers of the formulae I and II where the substituents R consist of (i) aminopropyl-functional groups of the formula...
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6384254 |
Quaternary ammonium salt-containing polysiloxane, making method, and fiber or fabric treating agent composition
A quaternary ammonium salt-containing polysiloxane comprising at least one unit of the formula (1) is formulated into a fiber or fabric treating agent composition which can impart anti-microbial...
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6379751 |
Imparting water-repellency with polysiloxanes containing carboxyl groups
The invention relates to polysiloxanes containing carboxyl groups that are useful for imparting water-repellency to substrates, a process for their preparation, a water-repellent system containing...
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6353073 |
Poly (aminoorganofunctionaldisiloxanes)
The present invention provides near quantitative yields of greater than about 95% isomeric purity of poly(3-aminopropylmethylsiloxane)-poly(dimethylsiloxane) copolymers of the general formulae: Me...
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6339137 |
Poly (aminoorganofunctionalsiloxanes)
The present invention provides near quantitative yields of greater than about 95% isomeric purity of poly(3-aminopropylmethylsiloxanes) of the general formulae: Me 3 Si(H 2 NCH 2 CH 2 CH 2 MeSiO)...
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6310169 |
Polymerizable terminal group-containing polyorganosiloxane and production process for the same
The present invention relates to polymerizable terminal group-containing polyorganosiloxane having a number average molecular weight of 500 to 100000 represented by the following Formula (1):...
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6300287 |
Parting agent for copier toner
A parting agent for a copier toner is disclosed. The parting agent exhibits no loss of parting properties or generation of gel under high-temperature conditions near 200° C., and causes no...
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6288256 |
Fluoroalkyl-functional organopolysiloxane-containing compositions based on water, a process for their preparation and their use
An aqueous organopolysiloxane-containing composition comprising organopolysiloxanes of formula I: HO [Si(A)(CH 3 ) z (OH) 1 -z O] a [Si(B)(R 2 ) y (OH) 1 -y O] b [Si(C)(CH 3 )O] c ...
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6284858 |
Silicone compounds and process for producing the same
This invention relates to silicone compounds in which terminal SiO of cage-type and/or ladder-type polyphenylsilsesquioxanes is wholly or partly linked to a triorganosilyl group containing reactive...
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6268454 |
Amino acid silicon polymer, method for preparing the same, cosmetic particles surface-treated with the same, and cosmetic composition containing the particles
The invention relates to a novel amino acid silicon polymer with good adhesion to the keratin layer of the skin, a method of preparing the amino acid silicon polymer, a cosmetic particles...
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6258968 |
Method for producing organofunctional siloxanes and use of same
Process for the preparation of organofunctional polysiloxanes, which comprises reacting cyclic dialkylsiloxanes with at least one compound of the type HO--R'--X, wherein X--OH, --COOH, --NR" 2 ...
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6258969 |
Polyalkoxysiloxane and process for its production
A polyalkoxysiloxane of the following rational formula: SiO a (OR) b (OH) c wherein R is a C 1 -4 alkyl group, a=0.86 to 1.30, b=2.18 to 1.30, and c≤0.10.
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6255513 |
Stable compositions of water-soluble amino-and alkenyl-functional organosiloxanes, process for their preparation and their use
The present invention relates to a stable composition of water-soluble organosiloxanes obtained by reacting a) a water-soluble amino-functional alkoxysilane with at least one water-insoluble...
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6251989 |
Oligomerized organopolysiloxane cocondensate, its production and its use for treatment of surfaces
An oligomerized polyorganosiloxane cocondensate which may be obtained, in part, by mixing an water-soluble amino-functional organosilane represented with at least one of the followoing: a...
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6242554 |
Polysiloxanes having polyether quat functions
The invention relates to novel polyether-quaternary organosiloxanyl derivatives, to the preparation of these compounds and to their use in formulations for improving the surface properties of...
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6240929 |
Heterocyclic quaternary polyammonium silicon polymers and their use in cosmetic compositions
The invention relates to novel polymers containing at least some units of formula (I): ##STR1## in which: A 1 ♁ and A 2 ♁ ; which may be identical or different, denote: a) a quaternary...
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6218560 |
Surface-active organosilicon compounds
The invention relates to organosilicon compounds modified with mono- or polyhydroxylated hydrocarbon radicals or carbohydrate derivatives and containing units of the general formula (I) A a R b ...
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6207781 |
Polymerization of an organofunctional cocyclic siloxane
An organofunctional cocyclic siloxane, i.e., a dialkyl, alkyl aminoalkyl cocyclic siloxane, is used to prepare copolymeric siloxane fluids, copolymeric siloxane gums, and terpolymeric siloxanes via...
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6203578 |
Use of silicon compounds to dye human keratin fibers; novel compounds and compositions containing them
The use of linear or cyclic silicon compounds containing at least one chromophoric group of quinone or azo type as direct dyes in dye compositions intended for dyeing human keratin fibres and in...
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6201063 |
Emulsion polymerization using a cocylic silicone
Emulsion polymerization techniques can be improved by using in the reaction, a precursor which is a cocyclic silicone which has a structure generally corresponding to the formula: ##STR1## where a...
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6177583 |
Method for the preparation of aminopropyl or aminoalkyl functional polyalkyl or aryl siloxanes
A new method for the preparation of aminopropyl terminated or internal functionalized polyalkyl or aryl siloxanes is described. The method involves readily available commercial starting materials...
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