Inventor
WEISS RICHARD A
US56 patents
⚠️ This page may combine multiple inventors who share the name “WEISS RICHARD A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
INT FLAVORS & FRAGRANCES INC
34 patentsUS6462015B1Oct 8, 2002
Bicyclic lactones, perfumery uses thereof, processes for preparing same and intermediates therefor
INT FLAVORS & FRAGRANCES INC27 citations92
US6271193B1Aug 7, 2001
Carbon containing functional group substituted 4,5,6,7-tetrahydro-polyalkylated-4-indanes, isomers thereof, processes for preparing same and uses thereof
INT FLAVORS & FRAGRANCES INC26 citations92
US7563925B1Jul 21, 2009
Optically active ester compounds and their use in perfume compositions
INT FLAVORS & FRAGRANCES INC6 citations74
US5486502AJan 23, 1996
2-methoxy-4-formyl phenyl ester of propionic acid and use in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles
INT FLAVORS & FRAGRANCES INC6 citations74
US5462923AOct 31, 1995
1-oxo-substituted and unsubstituted isobutyl-4-ethoxy-benzenes and mixtures thereof with bicyclopentadiene derivatives, uses of same in perfumery and methods for preparing same
INT FLAVORS & FRAGRANCES INC7 citations74
US5372995ADec 13, 1994
Reduced reaction product of protonic acid catalyzed reaction of methyl ethyl ketone and benzaldehyde and perfume uses thereof
INT FLAVORS & FRAGRANCES INC11 citations74
US5358930AOct 25, 1994
2-ethoxy-4-formyl phenyl ester of propionic acid and use in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles
INT FLAVORS & FRAGRANCES INC9 citations73
US6342612B1Jan 29, 2002
Indane aldehydes and derivatives
INT FLAVORS & FRAGRANCES INC6 citations72
US5543398AAug 6, 1996
Para-C5 alkyl-substituted ethoxycyclohexanes, organoleptic uses thereof and processes for preparing same
INT FLAVORS & FRAGRANCES INC5 citations72
US6090774AJul 18, 2000
Single phase liquid mixture of benzophenone and mixture of at least two other normally solid perfumery substances and perfumery uses thereof
INT FLAVORS & FRAGRANCES INC13 citations71
US7632792B2Dec 15, 2009
Methyl cyclohexane carboxylates and their use in perfume compositions
INT FLAVORS & FRAGRANCES INC3 citations63
US6310032B1Oct 30, 2001
α-Oxygen-substituted cyclohexane propionitriles, perfumery uses thereof and processes for preparing same
INT FLAVORS & FRAGRANCES INC2 citations63
US5789374AAug 4, 1998
Methyl-substituted 1(2-norbornyl) alkanols acetate esters thereof and perfumery uses of said esters, and process intermediates for producing same
INT FLAVORS & FRAGRANCES INC3 citations63
US5552380ASep 3, 1996
Perfume uses of phenyl alkanol derivatives
INT FLAVORS & FRAGRANCES INC3 citations63
US5527768AJun 18, 1996
Use of 1-benzyl cyclohexanol in augmenting, enhancing or imparting aromas in or to perfume compositions, perfumed articles and colognes and, optionally, simultaneously repelling insects
INT FLAVORS & FRAGRANCES INC2 citations63
US9834738B2Dec 5, 2017
Octahydro-1H-4,7-methano-indene-5-aldehydes and their use in perfume compositions
INT FLAVORS & FRAGRANCES INC1 citations62
US7169747B2Jan 30, 2007
Bicyclic lactones, perfumery uses thereof, processes for preparing same and intermediates therefor
INT FLAVORS & FRAGRANCES INC1 citations62
US6835699B2Dec 28, 2004
Bicycle lactones, perfumery uses thereof, processes for preparing same and intermediates therefor
INT FLAVORS & FRAGRANCES INC1 citations62
US6608010B2Aug 19, 2003
Bicyclic lactones, perfumery uses thereof, processes for preparing same and intermediates therefor
INT FLAVORS & FRAGRANCES INC1 citations62
US5610133AMar 11, 1997
Alkyl-substituted-C1 -C3 alkoxy-C6 -cycloaliphatic compounds, organoleptic uses thereof and processes for preparing same
INT FLAVORS & FRAGRANCES INC4 citations61
US12428609B2Sep 30, 2025
Organoleptic compounds
INT FLAVORS & FRAGRANCES INC0 citations53
US10836977B2Nov 17, 2020
Organoleptic compounds
INT FLAVORS & FRAGRANCES INC0 citations52
US10179887B1Jan 15, 2019
Organoleptic compounds
INT FLAVORS & FRAGRANCES INC0 citations52
US9975835B2May 22, 2018
Cyclohexanols and their use in perfume compositions
INT FLAVORS & FRAGRANCES INC0 citations52
US9834500B2Dec 5, 2017
Cyclohexanols and their use in perfume compositions
INT FLAVORS & FRAGRANCES INC0 citations52
US9434669B2Sep 6, 2016
Cyclohexanols and their use in perfume compositions
INT FLAVORS & FRAGRANCES INC0 citations52
US9416334B2Aug 16, 2016
Cyclohexanols and their use in perfume compositions
INT FLAVORS & FRAGRANCES INC0 citations52
US7723277B2May 25, 2010
Methyl cyclohexane carboxylates and their use in perfume compositions
INT FLAVORS & FRAGRANCES INC1 citations52
US5545763AAug 13, 1996
1-oxo-substituted and unsubstituted isobutyl-4-ethoxy-benzenes and mixtures thereof with bicyclopentadiene derivatives, uses of same in perfumery and methods for preparing same
INT FLAVORS & FRAGRANCES INC0 citations52
US7531696B2May 12, 2009
Substituted cyclopentenone derivatives and their use in perfume compositions
INT FLAVORS & FRAGRANCES INC0 citations51
US7345204B2Mar 18, 2008
Substituted cyclopentenone derivatives and their use in perfume compositions
INT FLAVORS & FRAGRANCES INC0 citations51
US7141699B1Nov 28, 2006
Substituted cyclopentenone derivatives and their use in perfume compositions
INT FLAVORS & FRAGRANCES INC0 citations51
US5811592ASep 22, 1998
Alkyl-substituted -C1 -C3 alkoxy-C6 -cycloaliphatic compounds, organoleptic uses thereof and processes for preparing same
INT FLAVORS & FRAGRANCES INC0 citations51
US5583264ADec 10, 1996
Para-c5 alky-substituted ethoxycyclohexanes, organoleptic uses thereof and processes for preparing same
INT FLAVORS & FRAGRANCES INC0 citations51
(unassigned)
2 patentsBACIK MICHAEL A
2 patentsNORTEL NETWORKS LTD
2 patentsNARULA ANUBHAV P S
2 patentsFUJITSU LTD
1 patentWITCO CORP
1 patentSTERIS INC
1 patentPHILIPS ELECTRONICS NA
1 patentAVAYA INC
1 patentPROCTER & GAMBLE
1 patentWEISS RICHARD A
1 patentCLAWSON BURRELL E
1 patentShowing the top 50 of 56 patents by PatentIndex Score.