The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 29, 1983
Filed:
Mar. 11, 1981
Applicant:
Inventors:
Assignee:
Kureha Kagaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F / ; A61L / ; C07G / ; C08L / ;
U.S. Cl.
CPC ...
424 35 ; 3-1 ; 1283355 ; 128D / ; 128D / ; 2601237 ; 424 36 ; 424 37 ; 424359 ; 424360 ; 424361 ; 426138 ; 426140 ; 426278 ; 426656 ;
Abstract
A composite material of de-N-acetylated chitin and fibrous collagen, which may be prepared by bringing the de-N-acetylated chitin and the fibrous collagen into mutual contact in an aqueous acidic medium followed by deacidifying the obtained product, the fibrous collagen being able to be partially replaced by gelatin and/or soluble collagen, and a shaped material derived from the composite material is excellent in mechanical strength, heat-resistance and biostability and advantageously employed in the field of medical materials, edibles such as edible casing and base materials for inmobilizing enzyme.