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:
Jun. 18, 1985
Filed:
Jul. 25, 1983
Applicant:
Inventors:
Wolfgang K Giersch, Bernex, CH;
Gunther Ohloff, Bernex, CH;
Assignee:
Firmenich, SA, , CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
2525 / ; 549265 ;
Abstract
Spiro-lactones of formula ##STR1## which could possess a supplemental bond at the position indicated by the dotted lines and wherein index n stands for integers 1 or 2, possess useful organoleptic properties and consequently can be utilized as perfume ingredients in the preparation of fragrance compositions and the perfuming of various articles such as e.g. soaps, cosmetics, detergents and household materials. A process for their preparation starting from p-mentha-1,8-dien-4-ol is disclosed.