Inventor · disambiguated record
Leonard Chavkin
Also filed as: CHAVKIN LEONARD
23 granted patents·762 citations·filing 1974–1997
97Inventor score
Files withMACKLES LEONARD5PRODUCT RESOURCES INT5CHAVKIN LEONARD4BRISTOL MYERS CO1BRISTOL MYERS SQUIBB CO1
Top patents by PatentIndex Score
23 records- 0192US5322683AAnhydrous aerosol foamMACKLES LEONARD·Filed 1989·Granted Jun 21, 1994·131 cites·12 claims
- 0290US4613497ADry, water-foamable pharmaceutical compositionsHEALTH PRODUCTS DEV INC·Filed 1984·Granted Sep 23, 1986·99 cites·15 claims
- 0386US4097606AAPAP Tablet containing an alkali metal carboxymethylated starch and processes for manufacturing sameBRISTOL MYERS CO·Filed 1975·Granted Jun 27, 1978·55 cites·25 claims
- 0485US5753255AChewable molded tablet containing medicinally active substancesFiled 1997·Granted May 19, 1998·74 cites·12 claims
- 0583US4730751ASqueeze bottle powder dispenserMACKLES LEONARD·Filed 1986·Granted Mar 15, 1988·57 cites·5 claims
- 0680US4814172ALiquid bran drinkPRODUCT RESOURCES INT·Filed 1987·Granted Mar 21, 1989·36 cites·1 claims
- 0776US4724615AMetered dosage spoonPRODUCT RESOURCES INT·Filed 1986·Granted Feb 16, 1988·32 cites·8 claims
- 0875US4731246ALiquid bran drinkPRODUCT RESOURCES INT·Filed 1985·Granted Mar 15, 1988·29 cites·10 claims
- 0973US4889709AAerosol foam with adsorbate and container containing samePRODUCT RESOURCES INT·Filed 1988·Granted Dec 26, 1989·41 cites·23 claims
- 1066US4548808ALong-acting anhydrous antiperspirant compositions containing triacetinCHAVKIN LEONARD·Filed 1974·Granted Oct 22, 1985·20 cites·7 claims
- 1165US4988679ALiquid sustained release compositionCHAVKIN LEONARD·Filed 1989·Granted Jan 29, 1991·31 cites·19 claims
- 1263US5178881AAnhydrous topical compositions which dry rapidly on contactMACKLES LEONARD·Filed 1991·Granted Jan 12, 1993·27 cites·7 claims
- 1357US5294447AAnhydrous topical compositions which dry rapidly on contactMACKLES LEONARD·Filed 1992·Granted Mar 15, 1994·20 cites·5 claims
- 1456US4999183AShaving compositionsMACKLES LEONARD·Filed 1989·Granted Mar 12, 1991·19 cites·24 claims
- 1551US5587152AClear solid topical deodorant compositions comprising a water-insoluble ester of a water-soluble acidFiled 1995·Granted Dec 24, 1996·13 cites·10 claims
- 1648US4975269AShelf stable aspirin solutionsCHAVKIN LEONARD·Filed 1989·Granted Dec 4, 1990·13 cites·14 claims
- 1747US5811131ATasteless forms of basic drugs prepared by adsorption in situFiled 1997·Granted Sep 22, 1998·10 cites·15 claims
- 1845US5407662AAqueous monophasic compositions containing aromatic lipophilesFiled 1994·Granted Apr 18, 1995·10 cites·10 claims
- 1944US4980175ALiquid orally administrable compositions based on edible oilsCHAVKIN LEONARD·Filed 1989·Granted Dec 25, 1990·10 cites·14 claims
- 2043US5833963ANon-tacky and quick-drying aqueous-based antiperspirant compositionsBRISTOL MYERS SQUIBB CO·Filed 1996·Granted Nov 10, 1998·10 cites·26 claims
- 2141US4534960AMentholated oral compositionWARREN GLEN PRODUCTS INC·Filed 1984·Granted Aug 13, 1985·8 cites·3 claims
- 2240US4972974AChildproof dispenserPRODUCT RESOURCES INT·Filed 1989·Granted Nov 27, 1990·11 cites·3 claims
- 2339US5405603AMonophasic aqueous compositions containing aromatic lipophilesFiled 1994·Granted Apr 11, 1995·6 cites·17 claims
Join the waitlist — get patent alerts
Get an alert when Leonard Chavkin files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →