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. 12, 1985
Filed:
Oct. 24, 1983
Applicant:
Inventor:
Lawrence H Shepherd, Jr, Baton Rouge, LA (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549354 ; 2525 / ;
Abstract
10-oxytetracyclo[4.2.1.2.sup.3,8.0.sup.2,5 ]undecane and its lower alkyl-substituted congeners and their synthesis by contacting a tricyclo[4.2.1.0.sup.2,5.0]non-7-en-3-yl-methanol with a strong acid so that cyclization occurs. The compounds of this invention have desirable fragrance characteristics and their stability against oxidative deterioration during storage, transportation, and use enhances their usefulness as fragrance materials.