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:
Feb. 27, 1990
Filed:
Mar. 04, 1988
Applicant:
Inventors:
Thomas Markert, Duesseldorf, DE;
Klaus Bruns, Krefeld-Traar, DE;
Horst-Juergen Krause, Duesseldorf, DE;
Josef Penninger, Hilden, DE;
Michael Virnig, Santa Rosa, CA (US);
Volker Falk, Velbert, DE;
Assignee:
Henkel Kommanditgesellschaft auf Aktien, Duesseldorf, DE;
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
512-8 ; 568379 ;
Abstract
2-Alkylidene-3,3,5(3,5,5)-trimethylcyclopentanones corresponding to the following general formula ##STR1## in which three of the substituents R.sub.1 to R.sub.4 are CH.sub.3, one of the substituents R.sub.1 to R.sub.4 is H, and R.sub.5 is a saturated or unsaturated, linear branched C.sub.1 -C.sub.7 alkyl radical, and the double bond is in the endo position to the cyclopentanone structure. The compounds of formula (I) are useful as perfumes.