P

Inventor

SNOWDEN ROGER L

CH15 patents

Patents

15 patents
US5569660AOct 29, 1996

Utilization of an alkyl-substituted pyridine as a perfuming ingredient

FIRMENICH & CIE8 citations73
US5077417ADec 31, 1991

Process for the preparation of polycyclic ethers

FIRMENICH & CIE8 citations71
US4460792AJul 17, 1984

Process for the preparation of delta- and epsilon-damascones

FIRMENICH & CIE8 citations71
US6159929ADec 12, 2000

Optically active esters and their use as perfuming ingredients

FIRMENICH & CIE2 citations61
US5952292ASep 14, 1999

Utilization of 3-methyl-2-oxo-ethyl-pentanoate as a perfuming ingredient

FIRMENICH & CIE4 citations61
US4607109AAug 19, 1986

Nitrogen containing compounds, their preparation and use of same for the preparation of decalin keton derivatives

FIRMENICH & CIE2 citations61
US4453011AJun 5, 1984

Process for the preparation of α,β-and β,γ-unsaturated ketones

FIRMENICH & CIE3 citations60
US5386039AJan 31, 1995

Process for the preparation of a bicyclic decalin ketone

FIRMENICH & CIE3 citations59
US4543431ASep 24, 1985

Process for the preparation of polyunsaturated cycloaliphatic ketones

FIRMENICH & CIE0 citations50
US4479011AOct 23, 1984

Process for the preparation of polyunsaturated cycloaliphatic ketones

FIRMENICH & CIE1 citations50
US4438283AMar 20, 1984

Process for the preparation of hydroxy-ketones

FIRMENICH & CIE0 citations50
US5453525ASep 26, 1995

Carboxylic esters for the preparation of a bicyclic decalin ketone

FIRMENICH & CIE0 citations49
US5268355ADec 7, 1993

Furan esters and their use as perfuming ingredients

FIRMENICH & CIE1 citations49
US5155238AOct 13, 1992

Preparation of polycyclic ethers

FIRMENICH & CIE1 citations49
US5155239AOct 13, 1992

Preparation of polycyclic ethers

FIRMENICH & CIE1 citations49