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:
Dec. 31, 1985
Filed:
Oct. 15, 1984
Applicant:
Inventor:
Jerry M Roper, Baton Rouge, LA (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568362 ; 568322 ;
Abstract
Spiro[5.5]undeca-1,4,8-trien-3-ones are prepared by heating a reaction mixture consisting essentially of a 4-aminomethylphenol, a conjugated diene, and an inert solvent at a temperature of at least about 190.degree. C.
Roper, Jerry. (1985). Spiroketone process (U.S. Patent No. 4562294). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4562294
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile