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Class Information
Number: 527/204
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > From protein or biologically active polypeptide reactant > With n=c=x reactant wherein x is chalcogen
Description: Subject matter wherein a N=C=C reactant is additionally present.










Patents under this class:

Patent Number Title Of Patent Date Issued
8575289 Elastomer product from epoxidized vegetable oil and gliadin Nov. 5, 2013
8465542 Steroid lipid-modified polyurethane as an implantable biomaterial, the preparation and uses thereof Jun. 18, 2013
8367108 Functionalized non-phenolic amino acids and absorbable polymers therefrom Feb. 5, 2013
8193290 Steroid lipid-modified polyurethane as an implantable biomaterial, the preparation and uses thereof Jun. 5, 2012
7812075 Solvent-free polyurethane-based artificial leather having the texture of human skin and the preparation method thereof Oct. 12, 2010
7408014 Steroid lipid-modified polyurethane as an implantable biomaterial, the preparation and uses thereof Aug. 5, 2008
7345136 Water-resistant vegetable protein adhesive dispersion compositions Mar. 18, 2008
7172866 Methods and gel compositions for encapsulating living cells and organic molecules Feb. 6, 2007
6992161 Water-soluble or water-dispersible graft polymers, their preparation and use Jan. 31, 2006
6881789 Polyubiquitin based hydrogel and uses thereof Apr. 19, 2005
6297319 Water-absorbing agent and production process therefor Oct. 2, 2001
5948857 Gelatin-modified polyurethane Sep. 7, 1999
5733538 Surface-modifying copolymers having cell adhesion properties Mar. 31, 1998
5473034 Method for producing protein-synthetic polymer conjugate and said conjugate produced thereby Dec. 5, 1995
5376692 Method of binding using irradiation and product with albumin bound to biomaterials Dec. 27, 1994
4569789 Acid-cleavable compound, use in protein conjugates and drug delivery systems Feb. 11, 1986
4478938 Process for crosslinking polyamines Oct. 23, 1984
4393166 Process for the preparation of polyaddition products of isocyanates and denatured biomasses, their use as reactive fillers and as plant nutrients and a process for the production of sheets or Jul. 12, 1983
4323486 Albumin-fixed resin, production thereof, and therapeutical use thereof Apr. 6, 1982
4237229 Immobilization of biological material with polyurethane polymers Dec. 2, 1980
4195127 Process for immobilizing proteins Mar. 25, 1980
4119589 Process for fixing proteins onto carriers Oct. 10, 1978
4098645 Immobilization of proteins with polyurethane polymers Jul. 4, 1978
4061736 Pharmaceutically acceptable intramolecularly cross-linked, stromal-free hemoglobin Dec. 6, 1977
4055431 N(.beta.-chloro-propionyl or acryloyl)carbamyl or ureido piperazines Oct. 25, 1977
4053590 Compositions of matter comprising macromolecular hemoglobin Oct. 11, 1977
4047957 Process of hardening protein-containing photographic layers with a mixture of a carboxyl group-activating, low molecular weight compound and a carboxyl group-activating polymer Sep. 13, 1977











 
 
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