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:
Aug. 19, 1986
Filed:
Jan. 29, 1985
Applicant:
Inventors:
Hifzur R Ansari, Montvale, NJ (US);
Alfred A Schleppnik, St. Louis, MO (US);
Assignee:
Bush Boake Allen Limited, London, GB;
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
2525 / ; 549333 ;
Abstract
3,3-Dimethyl-1,5-dioxaspiro [5,5] undecane is useful in perfumery compositions. It can be made economically by reaction of cyclohexanone with neopentyl glycol in the presence of an acid, generally paratoluene sulphonic acid, under dehydrating conditions, generally by refluxing with a non-polar solvent.