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:
Nov. 27, 1990

Filed:

Sep. 28, 1989
Applicant:
Inventors:

Masami Ishihara, Okayama, JP;

Takeshi Morokuma, Okayama, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
560114 ; 560117 ; 562499 ; 562848 ; 562849 ; 562851 ; 562852 ;
Abstract

A process for producing a tricyclodecanecarboxylic acid ester by reacting dihydrodicyclopentadiene with CO and an alcohol in the presence of anhydrous HF is disclosed. The reaction is performed in a solvent at a temperature of from -20.degree. to 60.degree. C. under a CO partial pressure of from 5 to 50 atm. The alcohol is used in an amount of 0.7 to 5 moles per mole of the dihydrodicyclopentadiene. The anhydrous HF is used in an amount of at least 5 moles per mole of the dihydrodicyclopentadiene. The product tricyclodecanecarboxylic acid ester is useful as a flavor.


Find Patent Forward Citations

Quick Actions:

Ishihara, Masami. (1990). Process for producing tricyclodecanecarboxylic acid esters (U.S. Patent No. 4973740). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4973740

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

Loading…