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:
Dec. 20, 2022

Filed:

Oct. 15, 2020
Applicant:

Shin-etsu Chemical Co., Ltd., Tokyo, JP;

Inventors:

Takeshi Kinsho, Niigata, JP;

Tomohiro Watanabe, Niigata, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 45/41 (2006.01); C07C 45/51 (2006.01); C07C 49/23 (2006.01); C07C 67/10 (2006.01); C07F 7/18 (2006.01);
U.S. Cl.
CPC ...
C07C 45/41 (2013.01); C07C 45/513 (2013.01); C07C 49/23 (2013.01); C07C 67/10 (2013.01); C07F 7/188 (2013.01);
Abstract

A process for preparing a 2-(1,2,2-trimethyl-3-cyclopentenyl)-2-oxoethyl carboxylate compound of the following general formula (6), wherein R represents a monovalent hydrocarbon group having 1 to 9 carbon atoms, the process comprising esterifying a 2-(1,2,2-trimethyl-3-cyclopentenyl)-2-oxoethyl compound of the following general formula (5), wherein X represents a hydroxyl group or a halogen atom, to form the 2-(1,2,2-trimethyl-3-cyclopentenyl)-2-oxoethyl carboxylate compound (6).


Find Patent Forward Citations

Kinsho, Takeshi. (2022). Processes for preparing a 2-(1,2,2-trimethyl-3-cyclopentenyl)-2-oxoethyl carboxylate compound and hydroxymethyl 1,2,2-trimethyl-3-cyclopentenyl ketone, and a halomethyl (1,2,2-trimethyl-3-cyclopentenyl) ketone compound (U.S. Patent No. 11530176). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11530176

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

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