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:
Mar. 11, 1997
Filed:
Aug. 28, 1995
Applicant:
Inventors:
Toshiaki Imokawa, Niihama, JP;
Yoshiharu Kato, Ehime-ken, JP;
Assignee:
Sumitoma Bayer Urethane Co., Ltd., Amagasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
2521822 ; 560334 ;
Abstract
A process for preparing a liquid MDI, which comprises adding, to MDI, a phospholine catalyst and a phosphorous acid ester of a specified formula and conducting a carbodiimidization reaction.
Imokawa, Toshiaki. (1997). Process for preparing liquid diphenylmethane diisocyanate (U.S. Patent No. 5610408). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5610408
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile