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:
Nov. 16, 2010
Filed:
Oct. 19, 2006
Applicants:
Yoshiyuki Asahina, Tokyo, JP;
Hironori Katagawa, Tokyo, JP;
Inventors:
Yoshiyuki Asahina, Tokyo, JP;
Hironori Katagawa, Tokyo, JP;
Assignee:
Asahi Kasei Chemicals Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 283/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a polyisocyanate composition derived from an aliphatic diisocyanate monomer and an alcohol, which satisfies all the conditions below in a state not containing the aliphatic diisocyanate monomer and a solvent. 1) Isocyanurate trimer concentration: 55-95 mass % 2) Number ratio of allophanate groups derived from the alcohol to isocyanurate groups: 1-20% 3) Urethodione dimmer concentration: 2-25 mass % 4) Viscosity at 25° C.: 150-800 mPa·s.