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Class 527/202 - Polymerization in the presence of a specified material


Subclass of Class 527 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein the reaction system contains a specified
No. of patents: 54
Last issue date: 03/06/2007


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NumberTitleIssue Date
7186459Liposome coated with polyhydroxyalkanoate and production method thereof
A structure, which has both a drug holding capability and a sustained release ability utilizing a liposome and mechanical strength of a polyhydroxyalkanoate. This structure is excellent in holding capability for hydrophilic drugs and other water-soluble substances, ...
03/06/2007
7029758Melanin polyvinyl alcohol plastic laminates for optical applications
The present invention relates to the use of water soluble melanin in solid plastic films of polyvinyl alcohol to be used in conjunction with other plastics to make laminated sheets or lenses. Such laminates will be used as filters to protect against photochemical da...
04/18/2006
6997960Textile treatments and fibers and textile goods treated therewith
A first fiber treatment comprising a functional protein prepared by treating proteins such as collagen with a cross-linking agent and a solvent-base resin; a second one comprising the above functional protein and a water-base resin; a third one comprising a water-so...
02/14/2006
6291582Polymer-protein composites and methods for their preparation and use
A method of preparing a polymer-protein composite based upon placing a protein in solution in an organic phase via the ion-pairing of the protein with a surfactant. The polymer-protein composites are useful, for example, as highly active and stable cataly...
09/18/2001
6121341Redox and photoinitiator systems for priming and improved adherence of gels to substrates
An impoved barrier or drug delivery system which is highly adherent to the surface to which it is applied is disclosed, along with methods for making the barrier. In the preferred embodiment, tissue is stained with a photoinitiator, then the polymer solut...
09/19/2000
5977250Latex of polyhydroxyalkanoate
A chiral (R) stereospecific polyhydroxyalkanoate (PHA) in aqueous latex form having virgin disperse phase particles of very low or undetectable crystallinity is useful in making a water-sensitive structure water-resistant. It may be used as a mixture with...
11/02/1999
5914367Polymer protein composites and methods for their preparation and use
A method of preparing a polymer-protein composite including polymerizing a monomer in the presence of a protein dissolved in an organic phase via the ion-pairing of the protein with a surfactant. The polymer-protein composites are useful, for example, as ...
06/22/1999
5844016Redox and photoinitiator priming for improved adherence of gels to substrates
An improved barrier or drug delivery system which is highly adherent to the surface to which it is applied is disclosed, along with methods for making the barrier. The barrier can be prepared by staining tissue with a photoinitiator, applying a solution c...
12/01/1998
5837747Crosslinkable polysaccharides, polycations and lipids useful for encapsulation and drug release
The present invention relates to a new form of biocompatible materials (e.g., lipids, polycations, polysaccharides) which are capable of undergoing free radical polymerization, e.g., by using certain sources of light; methods of modifying certain syntheti...
11/17/1998
5714560Water-soluble or water-dispersible graft polymers of proteins as leather tanning agents
Water-soluble or water-dispersible graft polymers which are obtainable by free-radical-initiated polymerization of (A) a monomer or monomer mixture comprising (a) from 20 to 100% by weight of acrylic acid or methacrylic acid or a mixture thereof or alkali meta...
02/03/1998
5599891Polymer composition
A polymer composition comprising a crystallisable polymer stabilised in an amorphous or incompletely crystalline state by forming particles at least partly coated with a surfactant or phospholipid and to processes for preparing a such a polymer compositio...
02/04/1997
5418284Surface-modified polyacrylonitrile beads
A bead composition is disclosed herein which comprises a core of a polyacrylonitrile homopolymer or copolymer and a surface of pendant N-haloamide groups. Also disclosed is a process for the production of said composition....
05/23/1995
5286829Biocompatible polymer material and a process for producing same
A biocompatible material which is the product of graft-copolymerization of a water-soluble vinyl and/or an acrylate monomer with a sorption complex of polysilicic acid and collagen that has been rid of pigments, glycoproteins and proteoglycans, or a produ...
02/15/1994
5284910Surface-modified polyacrylonitrile fibrous substrates
A surface-modified fibrillated fiber composition is disclosed herein which comprises polyacrylonitrile homopolymer or copolymer and a surface of pendant N-haloamide groups. Also disclosed is a process for the production of said composition....
02/08/1994
5284911Surface-modified polyacrylonitrile substrates
A composition is disclosed herein which comprises a core of a polyacrylonitrile homopolymer or copolymer and a surface of N-haloamides. Also disclosed is a process for the production of said composition....
02/08/1994
5219895Collagen-based adhesives and sealants and methods of preparation and use thereof
Collagen-based compositions as adhesives and sealants for medical use and preparation thereof are described. Prior to polymerization, soluble or partially fibrillar collagen monomers in solution are chemically modified with an acylating agent, sulfonating...
06/15/1993
5204097Shiga toxin B chain polypeptides and vaccine thereto
The invention relates to a number of synthetic polypeptides which correspond to a part of the sequences of the Shiga B peptide chain. More specifically, the invention relates to polypeptides corresponding to the residues 5 to 18, 7 to 26, 13 to 26, and 19...
04/20/1993
5187207Melanin hydrophilic contact lenses
A hydrophilic contact lens is disclsoed incorporating melanin that protects the eye from harmful radiation and superoxide....
02/16/1993
5116884Melanin hydrophilic contact lenses
A hydrophilic contact lens is disclosed incorporating melanin that protects the eye from harmful radiation and superoxide....
05/26/1992
5112883Medium incorporating melanin as an absorbing pigment against electromagnetic radiation
The present invention is directed to a medium incorporating melanin for radiation protection....
05/12/1992
5075401Method of making graft copolymers
A graft copolymer is made by grafting, by a free radical reaction mechanism in aqueous solution, water soluble ethylenically unsaturated monomeric material on to a water soluble substrate having hydroxyl groups, and the free radicals are formed on the sub...
12/24/1991
5047447Medium incorporating melanin as an absorbing pigment for protection against electromagnetic radiation
The present invention is directed to a medium incorporating melanin for radiation protection....
09/10/1991
5036115Optical lens system incorporating melanin as an absorbing pigment for protection against electromagnetic radiation
Melanin is used as the absorbing pigment for radiation protective eyeware. Thus, a melanin-plastic copolymer was formed by adding a catalyst (benzoyl peroxide) to the liquid monomer, diethylene glycol bis allyl carbonate (CR-39), which contained dissolved...
07/30/1991
4997682Paper coating composition
An improved process of cast coating and the coating composition used therein produces a paper coating which has exceptional brightness, gloss, smoothness, flexibility, resistance to drum adhesions and pick resistance. The paper coating is especially effec...
03/05/1991
4843010Polymerization-induced separation immunoassays
Immunoassay methods and compositions are disclosed for the detection of analytes in fluid samples. The disclosure provides conjugates of analytes or reactants with polymerizable organic monomers. Specific binding reactions between reactants are detected b...
06/27/1989
4749647Polymerization-induced separation assay using recognition pairs
Methods and compounds are disclosed for determining the presence, amount of, or association between substances of interest in samples suspected of containing same. The methods are based on the polymerization-induced separation of specifically-bound, repor...
06/07/1988
4711840Polymerization-induced separation immunoassays
Immunoassay methods and compositions are disclosed for the detection of one or more analytes in fluid samples. The disclosure provides conjugates of analytes or reactants with polymerizable organic monomers. Specific binding reactions between reactants ar...
12/08/1987
4698374Optical lens system incorporating melanin as an absorbing pigment for protection against electromagnetic radiation
The present invention is directed to optical lens systems for radiation protection of the human eye utilizing melanin as an absorbing pigment....
10/06/1987
4689381Modified protein adhesive binder and process for producing using cationic monomers
A modified vegetable protein adhesive binder and a process for producing the same is disclosed wherein an alkaline protein dispersion is formed of a vegetable protein material and said dispersion is treated with a cationic monomer, preferably a cationic m...
08/25/1987
4687826Modified protein adhesive binder and process for producing
A modified vegetable protein adhesive binder and a process for producing the same is disclosed wherein an alkaline protein dispersion is treated with hydroxy alkyl acrylate in an amount sufficient to modify the protein material. The modified vegetable pro...
08/18/1987
4622362Polyacrolein microspheres
Microspheres of acrolein homopolymers and copolymer with hydrophillic comonomers such as methacrylic acid and/or hydroxyethylmethacrylate are prepared by cobalt gamma irradiation of dilute aqueous solutions of the monomers in presence of suspending agents...
11/11/1986
4607089Grafted soy protein latex
A conjugated diene such as butadiene-1,3 and a vinyl aryl monomer such as styrene are graft or over copolymerized on a dissolved or finely divided anionic fully caustic treated soy protein in aqueous alkaline media using minor effective amounts of an oil ...
08/19/1986
4504644Protein derivative containing grafted ultraviolet-absorbing radicals, the process for its preparation and composition in which it is present
The invention describes a protein derivative which has a molecular weight of 500 to 50,000 and has been chemically modified by grafting onto the protein chain radicals which absorb ultraviolet radiation. Also described are a process for the preparation of...
03/12/1985
4443365Method for determination of the valproic acid and reagents therein
δ-substituted derivatives of valproic acid are provided for conjugation to antigenic compositions, particularly proteins and enzymes. The antigenic conjugates are employed for the production of antibodies, which find particular use in immunoassays for the det...
04/17/1984
4349470Protein polymer hydrogels
Protein hydrogel structures formed from natural proteins having an average molecular weight of about 100,000 or less by dissolving the protein in an aqueous acidic solution, crosslinking the protein, and air drying to a moisture content not exceeding 10 p...
09/14/1982
4278749Receiving elements containing graft gelatin polymers as dye mordants
A photographic material which comprises a receiving element for transferred dyes is provided. The receiving element comprises a support having coated thereon a mordant layer which is made from a graft polymer prepared from gelatin, a monomer which when ho...
07/14/1981
4267235Polyglutaraldehyde microspheres
Suspension polymerization of aqueous glutaraldehyde in basic conditions in presence of surfactants such as isobutoxy acrylamide copolymers and/or cross-linking agents yield cross-linked, water insoluble glutaraldehyde polymer microspheres ranging in size ...
05/12/1981
4264155Collagen contact lens
Improved soft contact lenses are made from collagen gels to which water-soluble organic polyhydroxy polymers are added, e.g. mucopolysaccharides, polyvinyl alcohols, etc....
04/28/1981
4260228Collagen gel contact lens and method of preparation
An improved collagen gel soft contact lens is prepared from an aldehyde-crosslinked, lens-shaped collagen gel containing a water-soluble, aliphatic, monomeric, polyhydroxy compound, e.g., glucose....
04/07/1981
4229326Method for producing graft copolymers of cellulose or protein fiber with vinyl monomers
A method for obtaining graft copolymers of cellulose or protein fiber with vinyl monomers, comprising the steps of impregnating cellulose or protein fiber with an aqueous solution of ferrous salt, removing excessive ions of ferrous iron, and grafting viny...
10/21/1980
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