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:
Apr. 21, 1981
Filed:
Nov. 07, 1979
Applicant:
Inventors:
Daniel Michelet, Tassin La Demi Lune, FR;
Michel Rakoutz, Oullins, FR;
Assignee:
Philagro, Lyons, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568652 ;
Abstract
Unsaturated ethers of diphenols are prepared from alkenyl halides and diphenols as reagents and by carrying out the reaction in two zones at different temperatures. Intermediates for perfumes, aromas and insecticides are so prepared.