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Class 526/936 - PHYSIOLOGICAL USE, E.G., PHARMACEUTICAL, VETERINARY, DENTAL, ETC.


Subclass of Class 526 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter involving polymers from ethylenically unsaturated
No. of patents: 49
Last issue date: 11/04/2003


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NumberTitleIssue Date
6642334Beaded polyethylene glycol-based resins
Described herein is a pentaalkyldisiloxane containing polymeric surfactant prepared by the copolymerization of an alkoxypolyoxyalkylenyl acrylate and an acrylate containing a pentaalkyldisiloxane group. A method for preparing beaded polyethylene glycol-ba...
11/04/2003
6177087Non-antigenic amine derived polymers and polymer conjugates
Substantially non-antigenic polymers containing pI and/or pH optimum modulating moieties are disclosed. The polymers are useful as intermediates for synthesis of amine-based polymers and in the formation of activated polymers for conjugation with nucleoph...
01/23/2001
5902588Non-antigenic amine derived polymers and polymer conjugates
Substantially non-antigenic polymers containing pI and/or pH optimum modulating moieties are disclosed. The polymers are useful as intermediates for synthesis of amine-based polymers and in the formation of activated polymers for conjugation with nucleoph...
05/11/1999
5730990Non-antigenic amine derived polymers and polymer conjugates
Substantially non-antigenic polymers containing pI and/or pH optimum modulating moieties are disclosed. The polymers are useful as intermediates for synthesis of amine-based polymers and in the formation of activated polymers for conjugation with nucleoph...
03/24/1998
5589157Hairsprays and acrylic polymer compositions for use therein
Aqueous acrylic polymer compositions comprising a copolymer of an alkyl acrylate, an alkyl methacrylate and one or more acrylate acids or salts thereof are disclosed. By introducing an alkoxylated surfactant having a surface tension of greater than about ...
12/31/1996
5474780Monolithic maleic anhydride drug delivery systems
Erodible bioadhesive drug delivery vehicles for use in delivering pharmaceutical compounds to the eye and similar physiological environments are disclosed. The drug delivery vehicles are formed of a homopolymer or copolymer of maleic anhydride or lower al...
12/12/1995
5413775Hairsprays and acrylic polymer compositions for use therein
Aqueous, anionic, acrylic polymer compositions comprising a copolymer of an alkyl acrylate, an alkyl methacrylate and one or more acrylate acids or salts thereof is disclosed. By controlling the particle size of the copolymer and introducing a surfactant,...
05/09/1995
5306490Methods for retarding blister formation by use of cyanoacrylate adhesives
A cyanoacrylate adhesive is applied to the skin areas prone to blistering prior to blister formation....
04/26/1994
5279821Pyrogen adsorbent containing amide groups
Here is disclosed a water-insoluble pyrogen adsorbent composed of a polymer possessing amide groups optionally modified, said polymer being, e.g., a poly amino acid, a nylon, on a polyacrylamide....
01/18/1994
5262171Pharmaceutical tablet with PVP having enhanced drug dissolution rate
A pharmaceutical tablet is provided herein having an effective dissolution rate. The tablet contains a pharmaceutically-active ingredient and a substantially linear, i.e. non-crosslinked K-30 to K-120 PVP as a binding agent. The PVP used herein is made by...
11/16/1993
5241081N-alkyl-N-(meth)acryloyloxyalkylcarboxamides of aromatic carboxylic acids and aromatic carboxylic acid anhydrides, and adhesives containing these compounds
The invention relates to new N-alkyl-N-(meth)acryloyloxyalkylcarboxamides of aromatic carboxylic acids and aromatic carboxylic acid anhydrides, their preparation and formulations of these compounds for use as adhesives for the treatment of dental hard sub...
08/31/1993
5221722Crosslinked polyacrylic acid
Polycarbophil or crosslinked acrylic acid polymer is prepared in a solvent selected from acetone, alkyl acetates, and mixtures thereof, in the presence of an effective amount of divinyl glycol crosslinker, and in the presence of an effective amount of a s...
06/22/1993
5188821Antibacterial antiplaque oral composition mouthwash or liquid dentifrice
An oral composition mouthwash or liquid dentifrice containing an aqueous vehicle acceptable vehicle, a substantially water-insoluble noncationic antibacterial antiplaque agent, such as 2,4,4'-trichloro-2'-hydroxy-diphenyl ether (triclosan) and an ant...
02/23/1993
5180578Antibacterial antiplaque anticalculus oral composition
An oral composition such as a dentifrice, mouthwash, lozenge or chewing gum containing a polyphosphate anticalculus agent, such as tetraalkali metal pyrophosphate and antibacterial antiplaque agent compatible therewith. The antiplaque agent is a substanti...
01/19/1993
5178851Antiplaque antibacterial oral composition
An oral composition dentifrice comprising an orally acceptable vehicle, about 5-30% by weight of a siliceous polishing agent, about 0.25-0.35% by weight of a substantially water-insoluble noncationic antibacterial antiplaque agent, such as 2,4,4'-trichlor...
01/12/1993
5126381Bead processor
A process and apparatus are disclosed for producing polymerized beads containing actives such as perfumes and pesticides, by forming droplets from a solution of monomers and the actives. The solution is subjected to ultraviolet light to initiate polymeriz...
06/30/1992
4914140Acrylic copolymer and skin protective
An acrylic copolymer of ethyl acrylate and methacrylic acid wherein the weight ratio of ethyl acrylate to methacrylic acid is in a range between 75:25 and 95:5, containing therein a residual monomer content of 50 ppm or less, but substantially no surfacta...
04/03/1990
4739025Radiation resistant polypropylene-containing products
A product and method for obtaining a radiation-resistant polyolefin-containing product, by handling and processing the corresponding homopolymer or copolymer melt and resulting extrudate in a manner favoring retention of a high smectic and less than about...
04/19/1988
4361657Cross-linked hydrogel copolymers for contact lenses
The invention relates to soft contact lenses having a water content of at least about 45% and comprising a hydrated copolymer of a major proportion of an hydroxyalkyl acrylate or methacrylate, up to 12% by weight of an ethylenically unsaturated acid or an...
11/30/1982
4342858Polymeric polyelectrolytes
There is provided a polymer useful as a water absorbing agent. The polymer preferably contains the reaction product of an olefinically-unsaturated carboxylic acid, an alkyl acrylate and minor amounts of a crosslinking agent all in specified proportions....
08/03/1982
4327202Styrene copolymer for contact lenses
A novel contact lens having improved gas permeability is disclosed which is formed from copolymerizing a mixture comprising: (a) a group 1 monomer which is a styrene or substituted styrene monomer, and (b) a group 2 monomer which is a monomer of the general fo...
04/27/1982
4310593Absorbent articles cured with amine-epihalohydrin adducts
Water absorbent articles, made from solutions of carboxylic polyelectrolytes, together with methods for their preparation, and a composition useful to make said articles are disclosed. The articles are cured and/or crosslinked with monomeric amine-epihalo...
01/12/1982
4243790Styrene/hydroxy alkyl acrylic acid ester copolymer for contact lenses
A novel contact lens having improved gas permeability is disclosed which is formed from copolymerizing a mixture comprising: (a) a group 1 monomer which is a styrene or substituted styrene monomer, and (b) a group 2 monomer which is a monomer of the general fo...
01/06/1981
4209434Dental cement containing poly(carboxylic acid), chelating agent and glass cement powder
A poly(carboxylate) cement pack comprising a water soluble poly(carboxylic acid) having a relative viscosity of from 1.05 to 2.00, a chelating agent and a cement powder which will react with the poly(carboxylic acid) in the presence of the chelating agent...
06/24/1980
4196190Acrylic hair setting resins having high resistance to moisture and rapid removability from the hair with shampoo
Acrylic polymer solutions having superior properties when used as hair setting or holding resins are disclosed. Specific polymers disclosed are derived from (1) alkyl acrylates with 2-8 carbon alkyl groups, (2) methyl methacrylate, (3) hydroxyethyl methac...
04/01/1980
4166900Preparation of refined olefin/maleic acid copolymers
Olefin/maleic acid copolymer is refined to pharmaceutical quality by use of dichloroethane to remove contaminants, as by precipitating from solution with dichloroethane....
09/04/1979
4143017Process of producing soft contact lenses
A soft contact lens having a water content of 20 to 45% and a tensile strength of at least 500 g/mm2 can be produced by pouring into a mold a composition comprising 70 to 90% by weight of an alkylene glycol monomethacrylate, 0 to 2% by weight o...
03/06/1979
4123416Curable composition comprising a calcium fluoro-alumino silicate glass and poly(carboxylic acid) or precursor thereof
A novel calcium fluoroaluminosilicate glass consisting essentially of from 25 to 35% by weight of silicon calculated as silica, from 30 to 40% by weight of aluminum calculated as alumina, from 20 to 35% by weight calcium, calculated as calcium oxide, and ...
10/31/1978
4119590Process for producing a polyion complex having a nucleic acid base
A polyion complex is produced by reacting a weak acid type or a strong acid type polyanion polymer with a nucleic acid base-containing polycation polymer....
10/10/1978
4113686Hydrophilic contact lenses and lens polymer
A superior hydrophilic gel polymer and contact lenses therefrom are formed by bulk polymerization of about 100 parts by volume of hydroxyethyl methacrylate, 10 parts by volume of isobutyl methacrylate, 0.136 parts by volume of trimethylolpropane trimethac...
09/12/1978
4112215Copolymeric resin binder powders
Powders of physiologically-tolerable copolymers of vinyl and vinylidene monomers, said copolymers being useful as fast-dissolving resin binders for the preparation of pharmaceutical coatings, having a residual monomer content of less than 0.05 percent by ...
09/05/1978
4100149Method of separating proteins by ion exchange
A method of separating proteins by ion exchange comprising putting a solution of proteins into contact with an ion exchange resin consisting of a porous inorganic carrier coated with a cross-linked polymer containing or carrying anion exchanging groups --...
07/11/1978
4095018N,N-bis-hydroxyalkyl-3,5-di-t-butyl anilines accelerators for redox polymerization of unsaturated compounds
An improvement in the redox polymerization of unsaturated compounds, e.g., acrylic or methacrylic acids or their ester derivatives, using novel accelerators is disclosed. The polymerization is performed utilizing as the accelerator N,N-bis-hydroxyalkyl-3,...
06/13/1978
4085264Process for preparing copolymers of acrylic acid or methacrylic acid and acrylic and methacrylic acid esters
A process for the manufacture of copolymers by copolymerizing acrylic acid or methacrylic acid with esters of acrylic acid and methacrylic acid in the presence of polymerization initiators, in which methyl methacrylate, acrylic acid and/or methacrylic aci...
04/18/1978
4083832Blood compatible vessels and components thereof
Vessels for the storage, handling, conduction or treatment of blood or blood components are fabricated from styrene-aliphatic vinyl copolymers and the blood contacting surfaces of the vessel are treated with fuming sulfuric acid to provide a durable layer...
04/11/1978
4076912Tetrapolymers comprising (a) unsaturated acids (b) vinyl esters (c) branched allyl or methallyl esters and (d) vinyl ether or vinyl fatty ester or linear allyl or methallyl esters
Copolymer of (a) an unsaturated acid having the formula R--CH .dbd. CH--(CH2 --O--CH2)n --COOH wherein n = 0 or 1, and when n = O, R = CH3 and when n = 1, R = H, (b) a vinyl ester of the formula ##STR1## wh...
02/28/1978
4070533Terpolymer of (a) crotonic acid (b) vinyl acetate and (c) allyl or methallyl esters
Terpolymer of crotonic acid, vinyl acetate and an allyl or methallyl ester having the formula ##STR1## wherein R' is hydrogen or CH3, R1 is a saturated hydrocarbon chain containing 1-6 carbon atoms and R2 is --CH...
01/24/1978
4035316Cell specific, variable density, polymer microspheres
Biocompatible polymeric microspheres having an average diameter below about 3 microns and having density at least 15% greater or lesser than organic cells and having covalent binding sites are provided in accordance with this invention. The microspheres a...
07/12/1977
4016124Cements comprising acrylic acid/itaconic acid copolymer and fluoroaluminosilicate glass powder
A cement-forming liquid suitable for use as a component of a poly(carboxylate) cement comprises an aqueous solution of a copolymer of acrylic acid, the copolymer having an average molecular weight of less than 20,000, and the solution having a viscosity o...
04/05/1977
4013820Universally useable tableting ingredients
Known polymers of a defined class are converted into a universally useable tableting ingredient that provides controlled release of a drug from tablets made with this material. The new material is made in a rapidly stirred, nonaqueous solvent in a one-ste...
03/22/1977
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