Inventor
FEHR CHARLES
CH40 patents
⚠️ This page may combine multiple inventors who share the name “FEHR CHARLES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FIRMENICH & CIE
35 patentsUS7723286B2May 25, 2010
Compounds for a controlled release of active molecules
FIRMENICH & CIE18 citations92
US5162588ANov 10, 1992
Aromatic compounds, a process for preparation thereof and use of same as perfuming ingredients
FIRMENICH & CIE22 citations92
US4701278AOct 20, 1987
Utilization of a cycloaliphatic carbinol as perfuming ingredient
FIRMENICH & CIE32 citations92
US5114915AMay 19, 1992
Decalin ketones, their use in perfumery and process for the preparation thereof
FIRMENICH & CIE19 citations78
US4433183AFeb 21, 1984
Process for the preparation of (+)-p-mentha-2,8-dien-1-ol
FIRMENICH & CIE19 citations75
US5442124AAug 15, 1995
Process for the preparation of novel aromatic compounds
FIRMENICH & CIE6 citations73
US5324875AJun 28, 1994
Aromatic compounds, a process for preparation thereof and use of same as perfuming ingredients
FIRMENICH & CIE6 citations73
US5015625AMay 14, 1991
Alicyclic esters and their use as perfuming ingredients
FIRMENICH & CIE10 citations73
US4296258AOct 20, 1981
Process for the preparation of macrocyclic ketones
FIRMENICH & CIE7 citations68
US5962706AOct 5, 1999
Epoxides, process for their preparation and their use for the preparation of perfuming ingredients
FIRMENICH & CIE4 citations63
US4647407AMar 3, 1987
Utilization of ethyl 2-acetyl-4-methyl-4-pentenoate as perfuming ingredient
FIRMENICH & CIE3 citations63
US4429139AJan 31, 1984
Process for the preparation of rose oxide
FIRMENICH & CIE3 citations63
US4351977ASep 28, 1982
Polyunsaturated bicyclic compounds, their preparation and use of same as starting materials for preparing monounsaturated bicyclic compounds
FIRMENICH & CIE3 citations63
US7935669B2May 3, 2011
Compounds for a controlled release of active molecules
FIRMENICH & CIE3 citations62
US5559272ASep 24, 1996
Aromatic compounds
FIRMENICH & CIE3 citations62
US5185318AFeb 9, 1993
Aromatic compounds, a process for preparation thereof and use of same as perfuming ingredients
FIRMENICH & CIE6 citations62
US4990496AFeb 5, 1991
Use of cycloaliphatic ketones as perfuming and flavoring ingredients
FIRMENICH & CIE2 citations62
US4900870AFeb 13, 1990
Process for the preparation of cycloaliphatic ketones
FIRMENICH & CIE4 citations62
US6025323AFeb 15, 2000
Use of cyclic ketones in perfumery
FIRMENICH & CIE3 citations61
US6262288B1Jul 17, 2001
Process for the preparation of chiral epoxides
FIRMENICH & CIE4 citations60
US7189688B2Mar 13, 2007
Perfuming ingredient with a floral character
FIRMENICH & CIE2 citations55
US7253141B2Aug 7, 2007
Musk odorant compounds
FIRMENICH & CIE0 citations52
US7196050B2Mar 27, 2007
Unsaturated ester as perfuming ingredient
FIRMENICH & CIE1 citations52
US6177589B1Jan 23, 2001
Epoxides, process for their preparation and their use for the preparation of perfuming ingredients
FIRMENICH & CIE0 citations52
US4454351AJun 12, 1984
Lactonic derivatives and use of same as starting materials for the preparation of macrocyclic hydroxyketones
FIRMENICH & CIE0 citations52
US4431827AFeb 14, 1984
Pentadecanolide derivatives
FIRMENICH & CIE0 citations52
US4386220AMay 31, 1983
Polyunsaturated bicyclic compounds, their preparation and use of same as starting materials for preparing monounsaturated bicyclic compounds
FIRMENICH & CIE0 citations52
US7589055B2Sep 15, 2009
Compounds for a controlled release of active molecules
FIRMENICH & CIE1 citations51
US5814598ASep 29, 1998
Use of unsaturated aliphatic esters in perfumery
FIRMENICH & CIE1 citations51
US5124501AJun 23, 1992
Process for the preparation of an unsaturated polyolefin
FIRMENICH & CIE0 citations51
US5041678AAug 20, 1991
Cycloaliphatic ketones for use as perfuming and flavoring ingredients
FIRMENICH & CIE0 citations51
US4868340ASep 19, 1989
Process for the preparation of cycloaliphatic aldehydes
FIRMENICH & CIE1 citations51
US5521151AMay 28, 1996
Tetralinic nitriles, their use as perfuming ingredients and aldehyde intermediates for their preparation
FIRMENICH & CIE1 citations47
US7902393B2Mar 8, 2011
Process for the preparation of β-santalol and derivatives thereof
FIRMENICH & CIE0 citations45
US7470820B2Dec 30, 2008
Substituted cyclohexanones
FIRMENICH & CIE0 citations39
FEHR CHARLES
5 patentsUS9284514B2Mar 15, 2016
Penta/hexamethyl-3,4,5,8-tetrahydro-1(2H)-naphthalenone derivatives with aromatic notes
FEHR CHARLES0 citations50
US8222199B2Jul 17, 2012
Perfuming ingredients with saffron odor
FEHR CHARLES0 citations50
US8119826B2Feb 21, 2012
Process for the preparation of beta-santalol and derivatives thereof
FEHR CHARLES1 citations43
US8227630B2Jul 24, 2012
Process for the preparation of tetranorlabdane derivatives
FEHR CHARLES0 citations40
US8227629B2Jul 24, 2012
Process for the preparation of tetranorlabdane derivatives
FEHR CHARLES0 citations40