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7029758 Melanin 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...
6997960 Textile 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...
6291582 Polymer-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...
6258275 Affinity macroligands  
Affinity macroligands (AML) comprising a reversibly water soluble poly-N-alkylacrylamide linked to a ligand, and their use in the separation of a target substance from a mixture comprising the...
5977250 Latex 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...
5844016 Redox 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...
5837747 Crosslinkable 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...
5714560 Water-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...
5599891 Polymer 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...
5418284 Surface-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...
5286829 Biocompatible 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...
5284911 Surface-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...
5219895 Collagen-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...
5204097 Shiga 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...
5187207 Melanin hydrophilic contact lenses  
A hydrophilic contact lens is disclsoed incorporating melanin that protects the eye from harmful radiation and superoxide.
5112883 Medium incorporating melanin as an absorbing pigment against electromagnetic radiation  
The present invention is directed to a medium incorporating melanin for radiation protection.
5075401 Method 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...
5036115 Optical 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...
4997682 Paper 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...
4843010 Polymerization-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....
4749647 Polymerization-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...
4689381 Modified 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...
4687826 Modified 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...
4607089 Grafted 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...
4504644 Protein 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...
4443365 Method 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...
4278749 Receiving 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...
4267235 Polyglutaraldehyde 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...
4264155 Collagen 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.
4260228 Collagen 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.
4229326 Method 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,...
4111926 Hardening agent for gelatin and method for hardening gelatin  
A hardening agent for gelatin comprising a compound represented by the formula (I): ##STR1## wherein R represents an n-valent organic group, Z represents an atomic group necessary to complete a 5-...
4108848 Method for hardening gelatin  
Gelatin, particularly gelatin films of light-sensitive silver halide photographic materials, are hardened by treating with a combination of a compound having at least two vinylcarbonyl groups in...
4104444 Fiber reinforced chemically modified protein articles  
Disclosed are fiber-reinforced articles made of chemically-modified protein, such as sausage casings, and a method of producing such articles characterized by the steps of reacting a solution of a...
4096137 Gelatin hardening agents  
Gelatin hardening agents represented by the following formulae (I) or (II): a 1 --b 1 --r 1 --b 2 ) n A 2 (I) (a 1 --b 1 ) 3 r 2 (ii) wherein A 1 and A 2...
4081329 Preparation of carrier-bound macromolecular compounds  
Carrier-bound macromolecular compounds, especially bioactive macromolecular compounds, are produced by reacting a macromolecular compound A with a coupling compound B containing at least one...
4061466 Biologically active composition and the use thereof  
Immobilized biologically active substances comprising microporous, spherical particles in gel form and in the form of a three-dimensional network. These particles contain the biologically active...
4052373 Process for hardening gelatin  
A process for hardening, e.g., gelatin, in particular, a gelatin used for photographic light-sensitive materials, which comprises treating gelatin, a non-gelatin hydrophilic high molecular weight...
4045239 Process for the production of thermoplastic synthetic materials and plastic shaping materials of chemically modified protein and a chemical plasticizer and including a bisacrylamide or bismethacrylamide  
This invention relates to a process for the production of a thermoplastic synthetic material of chemically modified protein, which comprises mixing an aqueous alkaline protein solution with an...
4038140 Process for binding biologically active proteins  
Biologically active proteins are bound onto an insoluble carrier by reacting such protein in an aqueous phase with a carrier comprising an activated polysaccharide having a hydrophilic graft...
4036823 Barbituric acid antigenic conjugates, their preparation, antibodies and use  
Antigenic barbituric acid conjugates are produced by coupling the hapten acid through its 3-position to an immunogenic carrier. The antigens thus produced can be used to raise antibodies in...
4028320 Method of hardening gelatin using sulfonyl compounds  
A method of hardening gelatin which comprises adding thereto a compound of the following general formula (I): ##STR1## in which Y 1 is CH 2 =CH--, ClCH 2 --CH 2 --, BrCH 2 --CH 2 --, CH 3 ...
3977954 Sensitized vapor phase photo-grafting of monomers onto surfaces  
A process for the vapor phase graft copolymerization of a monomer vapor onto a polymeric substrate in the presence of a source of light at low energy levels and a photosensitive vapor (e.g. a...
3846386 CROSS-LINKED COPOLYMER ACRYLONITRILE FIBERS OR FILMS  
Cross-linked acrylic fibers or films which are of improved hot water-resistance and have a silky hand or feel, are obtained by (i) preparing an acidic solution of a copolymer obtained by...
3630741 ADHESIVE GELATIN-TERPOLYMER MATERIALS HAVING AT LEAST ONE CONJUGATED VINYLENE DICARBONYL COMPOUND ADDED TO THE EMULSION POLYMERIZATION REACTION MIXTURE  
The introduction of at least one conjugated vinylene dicarbonyl compound into an emulsion polymerization reaction mixture comprising water, monomers and gelatin used to produce gelatin-terpolymer...
3607370 PRESSURE-SENSITIVE ADHESIVE TAPE COMPRISING GLUTEN HYDROLYPATE DERIVATIVES  
A pressure-sensitive adhesive tape comprising a backing with a pressure-sensitive coating comprising epoxy derivatives of the large peptide fraction of partially hydrolyzed gluten polymerized with...
3501301 COATING COMPOSITIONS FOR POLYESTER SHEETING AND POLYESTER SHEETING COATED THEREWITH  
3455893 PROCESS FOR HARDENING GELATINE BY REACTING WITH ACRYLIC ACID DERIVATIVES  
3444156 PROCESS FOR HARDENING GELATINE  
3370952 Color formers  
Matches 1 - 50 out of 73 1 2 >