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. 20, 2026
Filed:
Oct. 25, 2023
Applicant:
Takasago International Corporation, Tokyo, JP;
Inventors:
Junichi Hasegawa, Kanagawa, JP;
Takashi Miyagawa, Kanagawa, JP;
Assignee:
TAKASAGO INTERNATIONAL CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F 9/53 (2006.01);
U.S. Cl.
CPC ...
C07F 9/5329 (2013.01);
Abstract
A method for producing a diphosphine monoxide represented by a general formula (2), including: allowing a diphosphine represented by a general formula (1) to react with water in the presence of a metal catalyst, an oxidizing agent, and a base to selectively oxidize the diphosphine. In the general formulas (1) and (2), R, R, R, R, and Y are the same as defined in the description.
Hasegawa, Junichi. (2026). Method for producing diphosphine monoxide (U.S. Patent No. 12767676). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12767676
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile