Patent · US Expired

Dioxa bicyclo dodecane and -hexadecane perfume compositions

US4124541A · kind A · utility

3Cited by

8References

14Claims

0Family size

Assignee

Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

Jens Conrad · Hilden, DE
Ulf-Armin Schaper · Krefeld, DE
Klaus Bruns · Uerdingen, DE

Key dates

Filing date	Jun 15, 1977
Grant date	Nov 7, 1978
Priority date	—
Expiry date	Jun 15, 1997

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D319/14
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A perfumery composition consisting essentially of from 1% to 50% by weight of an alkyl-substituted 1,4-dioxane of the formula ##STR1## wherein R.sub.1 is alkyl having from 4 to 12 carbon atoms, R.sub.2 is hydrogen, R.sub.1 and R.sub.2, when taken together, represent a bivalent radical selected from the group consisting of alkylene having from 3 to 12 carbon atoms and alkylalkylene having from 1 to 4 carbon atoms in the alkyl and from 3 to 12 carbon atoms in the alkylene, R.sub.3 and R.sub.4 are individually members selected from the group consisting of hydrogen and alkyl having from 1 to 4 carbon atoms, and the remainder customary constituents of perfumery compositions, as well as novel 1,4-dioxanes of the above formula where either R.sub.3 or R.sub.4 or both are alkyl, or where R.sub.1 and R.sub.2, taken together, are a bivalent radical.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.