Chemistry: natural resins or derivatives; peptides or proteins; – Proteins – i.e. – more than 100 amino acid residues – Scleroproteins – e.g. – fibroin – elastin – silk – etc.
Patent
1998-11-03
2000-08-08
Nutter, Nathan M.
Chemistry: natural resins or derivatives; peptides or proteins;
Proteins, i.e., more than 100 amino acid residues
Scleroproteins, e.g., fibroin, elastin, silk, etc.
435273, C07K 100, C07K 1400
Patent
active
061003816
ABSTRACT:
The present invention is a process for the manufacture of gelatin which includes providing a collagen containing material and demineralizing the collagen containing material to produce ossein. An enzyme solution containing protease at a concentration of at least 10 ppb is added to the ossein for a time sufficient to solubilize the ossein to produce a solution containing the gelatin at a weight percent of from 0.5 to 6 and at a predetermined viscosity.
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Research Disclosure, Dec. 1989, No. 308119.
Burrows Deborah J.
Rowlands Anne G.
Eastman Kodak Company
Nutter Nathan M.
Ruoff Carl F.
Wells Doreen M.
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