Patent · US Expired

2-Cyclopropyl-4-isopropyl-2,5,5-trimethyl-1,3-dioxane as odorant

US4220593A · kind A · utility

1Cited by

3References

1Claims

0Family size

Assignee

Henkel Kommanditgesellschaft auf Aktien (Henkel KGAA) · DE

Inventors

Klaus Bruns · Uerdingen, DE
Jens Conrad · Hilden, DE
Peter Meins
Hinrich Moller · Monheim, DE
Harald Schnegelberger · Leichlingen, DE

Key dates

Filing date	Oct 27, 1978
Grant date	Sep 2, 1980
Priority date	—
Expiry date	Oct 27, 1998

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D319/06
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A perfumery composition consisting essentially of from 1% to 50% by weight of a 4-isopropyl-5,5-dimethyl-1,3-dioxane of the formula ##STR1## wherein R.sub.1 and R.sub.2 are individually members selected from the group consisting of hydrogen, alkyl having from 1 to 3 carbon atoms and cyclopropyl, and the remainder customary constituents of perfumery compositions; as well as novel 4-isopropyl-5,5-dimethyl-1,3-dioxanes of the above formula wherein both R.sub.1 and R.sub.2 are not simultaneously hydrogen.

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