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. 29, 1999
Filed:
Sep. 15, 1997
Applicant:
Inventors:
Assignee:
Bio-Engineering Laboratories, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
623 11 ; 623 15 ; 623 66 ; 424422 ; 424423 ;
Abstract
A raw membrane material having an acellular nature and consisting substantially of a compact layer whose characteristic matrix structure is retained intact and which is produced by dissolving and removing cellular layers including epithelium and fibroblast layers from a biogenic, connective tissue membrane which comprises epithelial, basement membrane, compact and fibroblast layer.