US 3,953,471 AGranted

Ketals of 4-acetyl-3,3,5,5-tetramethylcyclohexanone

AssigneeSociete Anonyme Roure Bertrand Dupont

InventorsBernard Pierre Corbier, Paul Jose Teisseire

Life of this patent

Estimating the term…

Abstract

Novel diketone, illustrative of which is that having the formula ##SPC1## And derivatives thereof, illustrative of which are lower enolethers such as those of the formula ##SPC2## Where R represents a lower alkyl group. These compounds possess useful perfume properties.

Claims4

Dependent claims

Compounds having the formula ##SPC17##

wherein R.sub.1 and R.sub.2 represent lower alkyl and the symbols R.sub.3 each represent lower alkyl or, taken together, a lower alkylene group.

Dependencies are inferred from the claim text.

Facts

Application: 05/546,532Filed 3 Feb 1975 · division
Priority: CH 14216/6514 Oct 1965
Granted: 27 Apr 1976
Term ends: Not estimatedThe source records don’t support an estimate.

Classification10 codes

C07D 317/72
Having the hetero atoms in positions 1 and 3: spiro-condensed with carbocyclic rings
C07C 49/35
Saturated compounds containing keto groups bound to rings: containing ether groups, [IMAGE cpc-sch-C07C-0958.gif] groups,[IMAGE…
C07C 49/403
Saturated compounds containing a keto group being part of a ring: of a six-membered ring
C07C 49/577
Unsaturated compounds containing keto groups bound to rings other than six-membered aromatic rings: containing ether groups, [IMAGE…

Family

Serial585,259Parent of this continuation-in-part · filed 10 Oct 1966
Serial110,652Parent of this division · filed 28 Jan 1971
3875241Parent of this division
3578715Parent of this continuation-in-part
US 3,953,471 AThis patent

From the US filing history. Foreign family members aren’t listed.

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