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. 05, 1991
Filed:
Nov. 14, 1989
Wolfgang K Giersch, Bernex, CH;
Karl-Heinrich Schulte-Elte, Onex, CH;
Firmenich S.A., Geneva, CH;
Abstract
Oxygen containing macrocyclic compounds of formula ##STR1## wherein (a) the dotted lines indicate the location of an endocyclic single or double bond in positions 4 and 8 of the ring and of an exocyclic carbon-oxygen single bond in position 1, the wavy lines define a C--C bond of E or Z configuration when the bond in positions 4 and 8 is a double bond, and the symbols Z.sup.1 and Z.sup.2, taken together, define a cyclic acetal or ketal group represented by the formula ##STR2## wherein the symbols R.sup.1 and R.sup.2, identical or different, represent each an alkyl radical, linear or branched, containing from 1 to 6 carbon atoms, or one of said symbols represents a hydrogen atom and the other an alkyl radical defined as above; or wherein