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.

Date of Patent:
Jul. 08, 2014

Filed:

Dec. 12, 2008
Applicants:

Yoshiyuki Asahina, Tokyo, JP;

Mio Minakawa, Tokyo, JP;

Inventors:

Yoshiyuki Asahina, Tokyo, JP;

Mio Minakawa, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 18/72 (2006.01); C08G 18/09 (2006.01); C08G 18/62 (2006.01); C08G 18/10 (2006.01); C08G 18/42 (2006.01); C08G 18/80 (2006.01);
U.S. Cl.
CPC ...
C08G 18/6216 (2013.01); C08G 2105/02 (2013.01); C08G 18/092 (2013.01); C08G 18/10 (2013.01); C08G 18/4277 (2013.01); C08G 175/04 (2013.01); C08G 18/807 (2013.01);
Abstract

Disclosed is a block polyisocyanate obtained by blocking at least a part of isocyanate groups of a polyisocyanate, which is derived from an aliphatic diisocyanate and a polyol and satisfies all of the conditions (1)-(5) shown below, with a pyrazole compound. (1) Average number of isocyanate groups: 3.0-20 (2) Diisocyanate monomer trimer concentration: 10-50% by mass (3) Isocyanate group concentration: 5-22% by mass (4) Polyol content concentration: 5-40% by mass (5) Diisocyanate monomer concentration: 3% by mass or less.


Find Patent Forward Citations

Asahina, Yoshiyuki. (2014). Block polyisocyanate and urethane composition containing the same (U.S. Patent No. 8772434). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8772434

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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