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:
Jun. 02, 2020
Filed:
Jan. 11, 2017
National Institute for Materials Science, Tsukuba-shi, Ibaraki, JP;
Tetsushi Taguchi, Tsukuba, JP;
NATIONAL INSTITUTE FOR MATERIALS SCIENCE, Tsukuba-shi, Ibaraki, JP;
Abstract
A surgical sealant consisting of (1) a first agent comprising a gelatin derivative, wherein the gelatin derivative (a) has a weight average molecular weight of from 10,000 to 50,000; (b) has a hydrophobic group bonded thereto, the hydrophobic group being an alkyl group having 6 to 18 carbon atoms; (c) has a molar ratio of imino group/amino group of the gelatin derivative ranging from 1/99 to 30/70; and (d) comprises a structure represented by the following formula: GltnNH—CHRR, wherein 'Gltn' represents a gelatin residue, Ris the hydrophobic group, and Ris a hydrogen atom or the hydrophobic group; and (2) a second agent comprising a crosslinking agent for the gelatin derivative.