Inventor · disambiguated record
Prem Chandar
Also filed as: CHANDAR PREM
29 granted patents·21 pending applications·339 citations·filing 1995–2023
96Inventor score
Files withUNILEVER HOME & PERSONAL CARE16CONOPCO INC DBA UNILEVER11CONOPCO INC10CHESEBROUGH PONDS USA3DASGUPTA BIVASH RANJAN2
Top patents by PatentIndex Score
50 records- 0198US7659233B2Personal care compositions with silicones and dihydroxypropyl trialkyl ammonium saltsCONOPCO INC·Filed 2005·Granted Feb 9, 2010·49 cites·8 claims
- 0296US7282471B2Personal care compositions with glycerin and hydroxypropyl quaternary ammonium saltsCONOPCO INC DBA UNILEVER·Filed 2005·Granted Oct 16, 2007·27 cites·7 claims
- 0391US6869598B2Stabilization of sunscreens in cosmetic compositionsUNILEVER HOME & PERSONAL CARE·Filed 2003·Granted Mar 22, 2005·42 cites·11 claims
- 0488US8114824B1Compositions comprising fatty acyl isethionate surfactant product, alkanoyl compounds and triglycerides with low level of hydrogenationDASGUPTA BIVASH RANJAN·Filed 2010·Granted Feb 14, 2012·11 cites·11 claims
- 0585US7799746B2Beauty wash product bar compositions delivering enhanced visual benefits to the skin with specific optical attributesUNILEVER HOME & PERSONAL CARE·Filed 2005·Granted Sep 21, 2010·9 cites·24 claims
- 0683US8501808B2Foam enhancement of fatty acyl glycinate surfactantsDASGUPTA BIVASH RANJAN·Filed 2010·Granted Aug 6, 2013·5 cites·4 claims
- 0783US6991799B2Non-sticky cosmetic moisturizer for skin and hairUNILEVER HOME & PERSONAL CARE·Filed 2001·Granted Jan 31, 2006·16 cites·5 claims
- 0882US6585984B1Dual composition cosmetic product with a concentration sensitive and an incompatible active respectively placed within first and second compositionsUNILEVER HOME & PERSONAL CARE·Filed 2000·Granted Jul 1, 2003·21 cites·20 claims
- 0981US10144908B2Liquid soap having enhanced antibacterial activityCONOPCO INC·Filed 2014·Granted Dec 4, 2018·8 cites·3 claims
- 1080US7442674B2Beauty wash product compositions delivering enhanced visual benefits to the skin with specific optical attributesUNILEVER HOME & PERSONAL CARE·Filed 2005·Granted Oct 28, 2008·7 cites·12 claims
- 1179US7351417B2Silky feel cosmetic emulsion chassisUNILEVER HOME & PERSONAL CARE·Filed 2003·Granted Apr 1, 2008·9 cites·12 claims
- 1278US11607377B2Non-soap liquid cleanser composition comprising caprylic acidCONOPCO INC·Filed 2018·Granted Mar 21, 2023·1 cites·14 claims
- 1378US7695726B2Pigmented cosmetic composition exhibiting radiance with soft focusUNILEVER HOME & PERSONAL CARE·Filed 2004·Granted Apr 13, 2010·11 cites·23 claims
- 1478US6979452B2Low pH, high skin friction cosmetic creamsUNILEVER HOME & PERSONAL CARE·Filed 2002·Granted Dec 27, 2005·9 cites·18 claims
- 1576US5744148AStabilization of an unstable retinoid in oil-in-water emulsions for skin care compositionsCHESEBROUGH PONDS USA·Filed 1996·Granted Apr 28, 1998·49 cites·8 claims
- 1675US7446081B2Rinse-off facial wash compositions delivering enhanced whitening using submicron titanium oxide, optional modifier and deposition systemUNILEVER HOME & PERSONAL CARE·Filed 2004·Granted Nov 4, 2008·4 cites·7 claims
- 1775US6451330B1High skin friction cosmetic creams with retinoidsUNILEVER HOME & PERSONAL CARE·Filed 2001·Granted Sep 17, 2002·4 cites·15 claims
- 1873US11975085B2Non-soap liquid cleanser composition comprising anionic surfactant, caprylic acid, and non-ionic moleculeCONOPCO INC·Filed 2023·Granted May 7, 2024·0 cites·11 claims
- 1973US6949247B2Stable skin care compositions containing a retinoid and a retinoid booster systemUNILEVER HOME & PERSONAL CARE·Filed 2001·Granted Sep 27, 2005·6 cites·6 claims
- 2069US6881414B2Mild cosmetic composition with stabilized retinoidsUNILEVER HOME & PERSONAL CARE·Filed 2001·Granted Apr 19, 2005·4 cites·5 claims
- 2168US8206754B2Personal care composition with cocoa butter and dihydroxypropyl ammonium saltsCHANDAR PREM·Filed 2007·Granted Jun 26, 2012·1 cites·2 claims
- 2266US7794741B2Enhanced delivery of certain fragrance components from personal care compositionsCONOPCO INC·Filed 2007·Granted Sep 14, 2010·0 cites·3 claims
- 2365US2025049666A1Liquid composition having enhanced antimicrobial activityCONOPCO INC DBA UNILEVER·Filed 2022·Application pending·0 cites
- 2462US2024197588A1Antimicrobial compositionCONOPCO INC DBA UNILEVER·Filed 2022·Application pending·0 cites
- 2561US11414632B2Soap bar with improved perfume impact and deposition of activesCONOPCO INC·Filed 2020·Granted Aug 16, 2022·0 cites·6 claims
- 2660US5476671ASynthetic ceramides and their use in cosmetic compostionsCHESEBROUGH PONDS USA·Filed 1995·Granted Dec 19, 1995·25 cites·9 claims
- 2760US2008299054A1Personal care compositions with enhanced fragrance deliveryCONOPCO INC DBA UNILEVER·Filed 2007·Application pending·0 cites
- 2858US2008008668A1Personal care compositions with glycerin and hydroxypropyl quaternary ammonium saltsCONOPCO INC DBA UNILEVER·Filed 2007·Application pending·0 cites
- 2958US2025051694A1Bar composition having enhanced antimicrobial activityCONOPCO INC DBA UNILEVER·Filed 2022·Application pending·0 cites
- 3057US2005220737A1Beauty wash product bar compositions delivering enhanced visual benefits to the skin with specific optical attributesUNILEVER HOME & PERSONAL CARE·Filed 2004·Application pending·0 cites
- 3157US2005220736A1Beauty wash product compositions delivering enhanced visual benefits to the skin with specific optical attributesUNILEVER HOME & PERSONAL CARE·Filed 2004·Application pending·0 cites
- 3257US2023124634A1Antibacterial compositionCONOPCO INC DBA UNILEVER·Filed 2021·Application pending·0 cites
- 3357US2008311058A1Stable high internal phase emulsions and compositions comprising the sameCONNOPCO INC D B A UNILEVER·Filed 2007·Application pending·0 cites
- 3455US10370622B2Soap bar having enhanced antibacterial activityCONOPCO INC·Filed 2014·Granted Aug 6, 2019·0 cites·19 claims
- 3555US2005220735A1Rinse-off facial wash compositions delivering enhanced whitening using submicron titanium oxide, optional modifier and deposition systemUNILEVER HOME & PERSONAL CARE·Filed 2004·Application pending·0 cites
- 3654US5811112AOil-in-water cosmetic emulsions containing a stabilized proteaseCHESEBROUGH PONDS USA·Filed 1997·Granted Sep 22, 1998·21 cites·10 claims
- 3754US2005227881A1Beauty wash product compositions delivering enhanced visual benefits to the skin with specific optical attributesPOLONKA JACK·Filed 2004·Application pending·0 cites
- 3853US2023310304A1Moisturizing antibacterial compositionCONOPCO INC DBA UNILEVER·Filed 2021·Application pending·0 cites
- 3953US2005249684A1Taurate formulated pigmented cosmetic composition exhibiting radiance with soft focusUNILEVER HOME & PERSONAL CARE·Filed 2004·Application pending·0 cites
- 4052US12006494B2Bar compositions comprising C10 soap while minimizing ratio of unsaturated C18 soap to caprateCONOPCO INC·Filed 2020·Granted Jun 11, 2024·0 cites·6 claims
- 4152US2005227886A1Beauty wash product bar compositions delivering enhanced visual benefits to the skin with specific optical attributesPATEL RAJESH·Filed 2004·Application pending·0 cites
- 4252US2023301886A1Moisturizing antibacterial compositionCONOPCO INC DBA UNILEVER·Filed 2021·Application pending·0 cites
- 4351US11458080B2Compositions comprising specific surfactants and high levels of glycerinCONOPCO INC·Filed 2017·Granted Oct 4, 2022·0 cites·20 claims
- 4451US7361364B2Cosmetic compositionCONOPCO INC·Filed 2006·Granted Apr 22, 2008·0 cites·13 claims
- 4550US2023301883A1Moisturizing antibacterial compositionCONOPCO INC DBA UNILEVER·Filed 2021·Application pending·0 cites
- 4649US2006239945A1Cleansing compositionCONOPCO INC DBA UNILEVER·Filed 2005·Application pending·0 cites
- 4748US2002142016A1Stable skin care product containing a retinoid and a retinoid booster system in a dual compartment packageFiled 2001·Application pending·0 cites
- 4847US2018027804A1Particle based enhanced removal for disinfection of surfacesUNIV FLORIDA·Filed 2017·Application pending·0 cites
- 4946US2013272987A1Pre-Blended Mixtures of Specific Hydrocarbon Liquids Structured with High Melting Point Structuring MaterialLIU HONGJIE·Filed 2012·Application pending·0 cites
- 5041US2002168389A1Stable skin conditioning compositions containing retinoid boostersFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →