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:
Oct. 01, 1996
Filed:
Aug. 02, 1995
Nobukazu Takahashi, Yokohama, JP;
Tohru Hosaka, Yokohama, JP;
Koji Minami, Yokohama, JP;
Yuichiro Konishi, Kawasaki, JP;
Teiji Kohara, Kawasaki, JP;
Tadao Natsuume, Yokosuka, JP;
Nippon Zeon Co., Ltd., Tokyo, JP;
Abstract
A polymer composition comprising a thermoplastic norbornene polymer which preferably has a number average molecular weight of 10,00-200,000 as determined by gel permeation chromatography in toluene solvent and calculated as styrene and a content of norbornene polymer components having a number average molecular weight of 2,000 or less of 1% by weight or less, and a compounding ingredient, such as a rubber-like polymer, wherein the compounding ingredient is preferably dispersed in the form of microdomains in the norbornene polymer; and medical implements and optical naturals formed essentially of the composition.