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:
May. 11, 1993
Filed:
Sep. 04, 1991
Applicant:
Inventors:
Clifford G Venier, The Woodlands, TX (US);
Edward W Casserly, The Woodlands, TX (US);
Assignee:
Pennzoil Products Company, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
585375 ; 585467 ;
Abstract
Cyclopentadienes are alkylated by initially reacting primary or secondary alcohols at elevated temperatures in the presence of an alkali metal hydroxide with removal of water to form dimers of said primary or secondary alcohols, and thereafter reacting said alcohol dimers with a cyclopentadiene to alkylate said cyclopentadiene.
Venier, Clifford. (1993). Preparation of alkylated cyclopentadienes (U.S. Patent No. 5210351). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5210351
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile