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:
Feb. 24, 1982
Nippon Petrochemicals Co., Ltd., Tokyo, JP;
Abstract
Norbornane derivatives having hydrocarbon side chains, the processes for preparing the same and perfume compositions containing the same. The norbornane derivatives are represented by the following general formula (I) ##STR1## wherein C.sub.2 is an ethyl group, an ethylidene group or a vinyl group each connected to 5 or 6 position of the norbornane ring, each of R.sub.1 and R.sub.2 is a hydrogen atom or a methyl group, and R.sub.3 is a formyl group or a group represented by the following general formula (II) ##STR2## wherein R.sub.4 is a methyl group, an ethyl group, a n-propyl group or an isopropyl group, and X is a carbon atom of the norbornane ring. The above norbornane derivatives give a wide variety of woody fragrances and are useful as components for various perfume products.