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:
Mar. 11, 1980
Filed:
Apr. 06, 1979
John B Hall, Rumson, NJ (US);
Denis E Hruza, Sr, Brick Town, NJ (US);
Edward J Shuster, Brooklyn, NY (US);
Manfred H Vock, Locust, NJ (US);
Joaquin F Vinals, Red Bank, NJ (US);
International Flavors & Fragrances Inc., New York, NY (US);
Abstract
Described are spiropyran materials useful in augmenting enhancing or modifying the aroma of perfume compositions and colognes which spiropyran materials have the structure: ##STR1## wherein R.sub.1 is hydrogen or methyl; wherein R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6 and.sub.7 represents hydrogen or C.sub.1 -C.sub.5 lower alkyl; wherein when one of R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6 or R.sub.7 is any of C.sub.2 -C.sub.5 lower alkyl, each of the other of the R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6 and R.sub.7 moieties is hydrogen; wherein each of the dashed lines represents a carbon-carbon single bond or a carbon-carbon double bond, with at least one of the dashed lines being a carbon-carbon single bond. Green, floral, herbal, eucalyptol-like, sweet, minty and terpineol-like notes are produced in such perfume compositions and colognes.