Inventor
HASSAN MAHMOUD
AT34 patents
⚠️ This page may combine multiple inventors who share the name “HASSAN MAHMOUD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
COLGATE PALMOLIVE CO
19 patentsUS5851514ADec 22, 1998
Stable aqueous abrasive peroxide tooth whitening dentifrice
COLGATE PALMOLIVE CO90 citations96
US6106812AAug 22, 2000
Dual component antiplaque and tooth whitening composition
COLGATE PALMOLIVE CO69 citations95
US5939051AAug 17, 1999
Dental abrasive
COLGATE PALMOLIVE CO102 citations94
US6455482B1Sep 24, 2002
Light duty liquid cleaning compositions comprising a crosslinked polymer
COLGATE PALMOLIVE CO15 citations84
US12350361B2Jul 8, 2025
Oral care compositions and methods for increasing the stability of the same
COLGATE PALMOLIVE CO0 citations62
US11376206B2Jul 5, 2022
Two-phase oral care whitening compositions
COLGATE PALMOLIVE CO0 citations62
US11304889B2Apr 19, 2022
Oral care compositions and methods for increasing the stability of the same
COLGATE PALMOLIVE CO0 citations62
US10806553B2Oct 20, 2020
Oral care mouthpiece
COLGATE PALMOLIVE CO1 citations61
US5661221AAug 26, 1997
Process for the preparation of cross-linked maleic anhydride copolymers
COLGATE PALMOLIVE CO5 citations58
US10918588B2Feb 16, 2021
Block copolymers for tooth enamel protection
COLGATE PALMOLIVE CO1 citations55
US10653595B2May 19, 2020
Tooth whitening oral care composition
COLGATE PALMOLIVE CO0 citations51
US5866101AFeb 2, 1999
Color stable anticalculus compostion
COLGATE PALMOLIVE CO0 citations51
US5792818AAug 11, 1998
Process for hydrolyzing maleic anhydride copolymers
COLGATE PALMOLIVE CO0 citations50
US10646422B2May 12, 2020
Oral care composition containing zinc salts and calcium carbonate
COLGATE PALMOLIVE CO0 citations49
US10251823B2Apr 9, 2019
Oral care composition containing zinc salts and calcium carbonate
COLGATE PALMOLIVE CO0 citations49
US9883999B2Feb 6, 2018
Method for solubilizing rutin with polyhydroxy alkyl alcohols
COLGATE PALMOLIVE CO0 citations48
US7807189B2Oct 5, 2010
Skin care formulation
COLGATE PALMOLIVE CO1 citations48
US9717667B2Aug 1, 2017
Oral care composition containing ionic liquids
COLGATE PALMOLIVE CO1 citations47
US10406090B2Sep 10, 2019
Oral care composition containing ionic liquids
COLGATE PALMOLIVE CO0 citations41