Inventor
PERRING KEITH DOUGLAS
GB25 patents
⚠️ This page may combine multiple inventors who share the name “PERRING KEITH DOUGLAS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
QUEST INT
9 patentsUS5876755AMar 2, 1999
Humidity resistant composition
QUEST INT69 citations95
US6063754AMay 16, 2000
Fabric conditioning composition
QUEST INT23 citations92
US5676163AOct 14, 1997
Anti-smoke perfumes and compositions
QUEST INT56 citations91
US6465420B1Oct 15, 2002
Perfume compositions
QUEST INT20 citations89
US5840668ANov 24, 1998
Perfumed laundry detergent powders
QUEST INT33 citations89
US6231846B1May 15, 2001
Hair treatment compositions containing reducing sulphur species and zinc compound
QUEST INT12 citations66
US6780835B2Aug 24, 2004
Perfume compositions
QUEST INT3 citations59
US5891729AApr 6, 1999
Method for substrate classification
QUEST INT4 citations56
US7824715B2Nov 2, 2010
Perfume compositions
QUEST INT4 citations55
QUEST INT SERV BV
5 patentsUS7713922B2May 11, 2010
Perfume compositions
QUEST INT SERV BV4 citations59
US7781392B2Aug 24, 2010
Perfume compositions
QUEST INT SERV BV6 citations56
US9220805B2Dec 29, 2015
Control of female body odours
QUEST INT SERV BV0 citations45
US7129204B2Oct 31, 2006
Perfumes
QUEST INT SERV BV1 citations45
US7160851B2Jan 9, 2007
Perfume compositions
QUEST INT SERV BV0 citations42