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. 06, 2026
Filed:
Mar. 11, 2022
Applicant:
Toray Industries, Inc., Tokyo, JP;
Inventors:
Assignee:
Toray Industries, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 309/02 (2006.01);
U.S. Cl.
CPC ...
C07D 309/02 (2013.01);
Abstract
A 3-hydroxyadipic acid-3,6-lactone composition includes 3-hydroxyadipic acid-3,6-lactone, and 3 to 30 parts by weight of α-hydromuconic acid with respect to 100 parts by weight of the 3-hydroxyadipic acid-3,6-lactone; and a method produces a 3-hydroxyadipic acid-3,6-lactone composition, the method including a step of heating 3-hydroxyadipic acid-3,6-lactone to obtain the 3-hydroxyadipic acid-3,6-lactone composition.