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:
Feb. 08, 2000
Filed:
May. 28, 1998
Applicant:
Inventors:
Junichi Ikeda, Nara, JP;
Katsuya Kume, Osaka, JP;
Assignees:
Kyoeisha Chemical Co., Ltd., Osaka, JP;
Nitto Denko Corporation, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
522 90 ; 528 49 ; 528 745 ; 528 75 ; 528 83 ; 528297 ; 522 33 ; 525438 ; 525440 ; 526227 ; 526301 ; 526302 ;
Abstract
Novel urethane prepolymers which can be applied onto substrates without using any solvent, processes for producing the same, and pressure-sensitive adhesives using the prepolymers, which are excellent in adhesive strength, holding power and low temperature properties are provided. The urethane prepolymer is represented by the following formula [I] or [II]: