Inventor · disambiguated record
Keith Douglas Perring
Also filed as: PERRING KEITH D · PERRING KEITH DOUGLAS
38 granted patents·20 pending applications·832 citations·filing 1990–2015
98Inventor score
Files withQUEST INT11UNILEVER PATENT HOLDINGS11QUEST INT SERV BV9PERRING KEITH D5GIVAUDAN NEDERLAND SERVICES BV3
Top patents by PatentIndex Score
58 records- 0197US5500223AEncapsulating method and products containing encapsulated materialUNILEVER PATENT HOLDINGS·Filed 1993·Granted Mar 19, 1996·152 cites·24 claims
- 0296US5185155AEncapsulating method and products containing encapsulated materialUNILEVER PATENT HOLDINGS·Filed 1991·Granted Feb 9, 1993·123 cites·11 claims
- 0383US5876755AHumidity resistant compositionQUEST INT·Filed 1994·Granted Mar 2, 1999·69 cites·21 claims
- 0483US5676163AAnti-smoke perfumes and compositionsQUEST INT·Filed 1994·Granted Oct 14, 1997·56 cites·16 claims
- 0581US7781392B2Perfume compositionsQUEST INT SERV BV·Filed 2005·Granted Aug 24, 2010·6 cites·3 claims
- 0679US5554588APerfume compositionsLEVER BROTHERS CO·Filed 1995·Granted Sep 10, 1996·59 cites·26 claims
- 0777US5288423AProcess for preparing perfumed detergent productsUNILEVER PATENT HOLDINGS·Filed 1991·Granted Feb 22, 1994·37 cites·16 claims
- 0876US7824715B2Perfume compositionsQUEST INT·Filed 2008·Granted Nov 2, 2010·4 cites·1 claims
- 0976US7713922B2Perfume compositionsQUEST INT SERV BV·Filed 2006·Granted May 11, 2010·4 cites·11 claims
- 1074US9125828B2MOC compositionsBEHAN JOHN MARTIN·Filed 2011·Granted Sep 8, 2015·2 cites·13 claims
- 1174US5190915APerfumed structured emulsion in personal productsUNILEVER PATENT HOLDINGS·Filed 1991·Granted Mar 2, 1993·41 cites·16 claims
- 1272US8784784B2Organic compoundsPERRING KEITH DOUGLAS·Filed 2011·Granted Jul 22, 2014·1 cites·4 claims
- 1372US5840668APerfumed laundry detergent powdersQUEST INT·Filed 1993·Granted Nov 24, 1998·33 cites·10 claims
- 1468US8778317B2Organic compoundsGIVAUDAN SA·Filed 2013·Granted Jul 15, 2014·0 cites·11 claims
- 1568US6172037B1Perfume fixatives comprising polyvinylpyrrolidone and hydroxypropyl celluloseQUEST INT·Filed 1998·Granted Jan 9, 2001·33 cites·13 claims
- 1668US6063754AFabric conditioning compositionQUEST INT·Filed 1996·Granted May 16, 2000·23 cites·15 claims
- 1767US5204023AMalodors reductionUNILEVER PATENT HOLDINGS·Filed 1991·Granted Apr 20, 1993·22 cites·3 claims
- 1867US2014235520A1Perfume CompositionsGIVAUDAN NEDERLAND SERVICES BV·Filed 2014·Application pending·0 cites
- 1966US8821847B2Perfume compositionsGIVAUDAN NEDERLAND SERVICES BV·Filed 2013·Granted Sep 2, 2014·2 cites·10 claims
- 2064US6465420B1Perfume compositionsQUEST INT·Filed 1998·Granted Oct 15, 2002·20 cites·2 claims
- 2163US6780835B2Perfume compositionsQUEST INT·Filed 2002·Granted Aug 24, 2004·3 cites·11 claims
- 2262US7129204B2PerfumesQUEST INT SERV BV·Filed 2001·Granted Oct 31, 2006·1 cites·9 claims
- 2359US5482635AFabric conditioner with deodorant perfume compositionLEVER BROTHERS LTD·Filed 1995·Granted Jan 9, 1996·21 cites·12 claims
- 2459US2015079017A1Perfume CompositionsGIVAUDAN NEDERLAND SERVICES G V·Filed 2014·Application pending·0 cites
- 2558US2009257974A1Perfume CompositionsGIVAUDAN NEDERLAND SERVICES B·Filed 2007·Application pending·0 cites
- 2656US9011829B2Perfume compositionsGIVAUDAN NEDERLAND SERVICES BV·Filed 2012·Granted Apr 21, 2015·0 cites·5 claims
- 2756US5156766AStabilized emulsion systemsUNILEVER PATENT HOLDINGS·Filed 1991·Granted Oct 20, 1992·20 cites·16 claims
- 2856US5078904AFabric softening compositions containing micro organism encapsulated perfumeUNILEVER PATENT HOLDINGS·Filed 1990·Granted Jan 7, 1992·16 cites·3 claims
- 2956US2013101536A1Odor Reduction CompositionsQUEST INT SERV BV·Filed 2012·Application pending·0 cites
- 3055US10722607B2Perfume compositionsGIVAUDAN SA·Filed 2015·Granted Jul 28, 2020·0 cites·17 claims
- 3155US2009263344A1Perfume CompositionsGIVAUDAN NEDERLAND SERVICES B·Filed 2007·Application pending·0 cites
- 3255US2007105748A1Control of female body odoursPERRING KEITH D·Filed 2004·Application pending·0 cites
- 3354US10072234B2Fragrance compositionsGIVAUDAN SA·Filed 2013·Granted Sep 11, 2018·0 cites·18 claims
- 3452US2008108542A1Perfume CompositionsPERRING KEITH D·Filed 2006·Application pending·0 cites
- 3552US2011182832A1Perfume compositionsQUEST INT SERV BV·Filed 2006·Application pending·0 cites
- 3651US9220805B2Control of female body odoursQUEST INT SERV BV·Filed 2012·Granted Dec 29, 2015·0 cites·10 claims
- 3751US5334581AProcess for preparing perfumed personal productsUNILEVER PATENT HOLDINGS·Filed 1993·Granted Aug 2, 1994·13 cites·2 claims
- 3851US2008293806A1Odor Reduction CompositionsPERRING KEITH DOUGLAS·Filed 2005·Application pending·0 cites
- 3949US6140295APerfumed laundry detergents containing lipaseUNILEVER PATENT HOLDINGS·Filed 1994·Granted Oct 31, 2000·12 cites·9 claims
- 4049US5789010AMalodors reductionUNILEVER PATENT HOLDINGS·Filed 1992·Granted Aug 4, 1998·6 cites·1 claims
- 4148US6231846B1Hair treatment compositions containing reducing sulphur species and zinc compoundQUEST INT·Filed 1999·Granted May 15, 2001·12 cites·11 claims
- 4246US5246918AProcess for preparing perfumed personal productsUNILEVER PATENT HOLDINGS·Filed 1992·Granted Sep 21, 1993·12 cites·6 claims
- 4346US2004115091A1Floor treatment compositionsFiled 2002·Application pending·0 cites
- 4446US2009221462A1Fragrance compositionsANSARI HIFZUR RAHMAN·Filed 2006·Application pending·0 cites
- 4544US2007105747A1Control of body odoursPERRING KEITH D·Filed 2004·Application pending·0 cites
- 4644US2008096790A1Fragrance compositionsQUEST INT SERV BV·Filed 2003·Application pending·0 cites
- 4744US2006052276A1Perfume compositionsPERRING KEITH D·Filed 2003·Application pending·0 cites
- 4844US2005233940A1Perfume compositionsPERRING KEITH D·Filed 2003·Application pending·0 cites
- 4943US6475473B1Perfume compositionsQUEST INT·Filed 1999·Granted Nov 5, 2002·9 cites·14 claims
- 5040US2011130323A1Fragrance CompositionsBEHAN JOHN MARTIN·Filed 2011·Application pending·0 cites
Showing the top 50 of 58 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →