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:
Jan. 20, 2004
Filed:
Apr. 19, 2000
Applicant:
Inventors:
Koji Yamauchi, Ayabe, JP;
Tomohiko Asahara, Koto-ku, JP;
Assignee:
Gunze Limited, Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 2/36 ;
U.S. Cl.
CPC ...
A61F 2/36 ;
Abstract
The present invention provides an artificial dura mater prepared from an biodegradable and bioabsorbable synthetic polymer sheet and having a total light transmittance of 30% or more as defined by JIS K7105, a haze (cloudiness value) of 80% or less as defined by JIS K7105 or a specular glossiness at 60° (Gs 60°) of 10-20% as defined by JIS Z8741.