Inventor · Chicago, IL, US

Thomas Schamper

22Patents
12h-index
35Co-inventors
81Inventor score

Filing activity: Jan 6, 1975 → May 24, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US6051216A Cosmetic composition containing siloxane based polyamides as thickening agents Emerging Cross-Sectional Technologies 166 Expired
US4725430A Acid stable dibenzyl monosorbitol acetal gels Emerging Cross-Sectional Technologies 60 Expired
US4518582A Acid stable dibenzyl monosorbitol acetal gels Emerging Cross-Sectional Technologies 54 Expired
US6353076B1 Cosmetic composition containing siloxane-based polyamides as thickening agents Emerging Cross-Sectional Technologies 48 Expired
US4722835A Dibenzyl monosorbitol acetal gel antiperspirant stick compositions Emerging Cross-Sectional Technologies 45 Expired
US4719102A Acid stable dibenzyl monosorbitol acetal gels Emerging Cross-Sectional Technologies 36 Expired
US6403067B1 Stable emulsions for cosmetic products Human Necessities 34 Expired
US4121904A Depilatory composition for removing hair from live human skin Human Necessities 28 Expired
US5989531A Antiperspirant formulation for porous applicator Human Necessities 27 Expired
US4720381A Acid stable monosorbitol acetal gels Emerging Cross-Sectional Technologies 26 Expired
US3980091A Quaternary ammonium compounds in pretreatment of hair before shampooing with an anionic shampoo Emerging Cross-Sectional Technologies 15 Expired
US4297098A Method for gradual coloring of hair to a light brown shade and preparations for use therein Human Necessities 14 Expired
US7867506B2 Composition for a clear cosmetic stick Human Necessities 10 Active
US7799332B2 Composition for a clear cosmetic stick Human Necessities 10 Expired
US4061150A Quaternary ammonium compounds in pretreatment of hair before shampooing with an anionic shampoo Emerging Cross-Sectional Technologies 9 Expired
US7799318B2 Liquid stick antiperspirant Human Necessities 7 Active
US7270806B2 Liquid stick antiperspirant Human Necessities 3 Expired
USRE31126E Quaternary ammonium compounds in pretreatment of hair before shampooing with an anionic shampoo General 3 Expired
USRE30874E Quaternary ammonium compounds in pretreatment of hair before shampooing with an anionic shampoo General 2 Expired
US7341713B2 Liquid stick antiperspirant Human Necessities 1 Expired
US9144695B2 Antiperspirant compositions Human Necessities 0 Active
US8236331B2 Cosmetic cooling composition Human Necessities 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.