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:
Jul. 09, 1985
Filed:
Oct. 04, 1983
Applicant:
Inventors:
Klaus Bruns, Krefeld-Traar, DE;
Thuy N Dang, Krefeld-Traar, DE;
Assignee:
Henkel Kommanditgesellschaft auf Aktien, Dusseldorf-Holthausen, DE;
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
2525 / ; 549336 ;
Abstract
2,4-dioxa-7,10-methano-spiro [5,5] undecanes having the formula ##STR1## wherein R is a member selected from the group consisting of hydrogen, alkyl having from 1 to 4 carbon atoms, vinyl and propenyl and their isomeric mixtures; its synthesis, its use as a perfumery agent and as an olefactant component in perfumery compositions and as an odorant for technical products.