Inventor
CHANG ROBERT W H
US16 patents
Patents
16 patentsUS4462224AJul 31, 1984
Instant hot or cold, reusable cold pack
MINNESOTA MINING & MFG258 citations99
US5294438AMar 15, 1994
Lubricating and moisturizing shaving preparations
MINNESOTA MINING & MFG59 citations96
US4304766ADec 8, 1981
Compositions for reducing elution of therapeutic agents from teeth
MINNESOTA MINING & MFG57 citations96
US4164563AAug 14, 1979
Non-greasy compositions
MINNESOTA MINING & MFG69 citations96
US5013473AMay 7, 1991
Encapsulated cosmetic materials and process of making
MINNESOTA MINING & MFG67 citations95
US4976961ADec 11, 1990
Encapsulated cosmetic materials and process of making
MINNESOTA MINING & MFG59 citations95
US4876136AOct 24, 1989
Lipstick sampling device
MINNESOTA MINING & MFG64 citations95
US4769022ASep 6, 1988
Cleansing pad
MINNESOTA MINING & MFG63 citations95
US4755433AJul 5, 1988
Cover film on lipstick sampler
MINNESOTA MINING & MFG25 citations92
US4485090ANov 27, 1984
Composition and method for reducing elution of therapeutic agents from teeth
MINNESOTA MINING & MFG47 citations92
US4243658AJan 6, 1981
Compositions and methods for reducing elution of therapeutic agents from teeth
MINNESOTA MINING & MFG30 citations92
US4510127AApr 9, 1985
Compositions and method for reducing elution of therapeutic agents from teeth
MINNESOTA MINING & MFG26 citations82
US4428930AJan 31, 1984
Compositions and method for reducing elution of therapeutic agents from teeth
MINNESOTA MINING & MFG21 citations82
US4470964ASep 11, 1984
Composition and method for reducing elution of therapeutic agents from teeth
MINNESOTA MINING & MFG16 citations73
US4366146ADec 28, 1982
Compositions and method for reducing elution of therapeutic agents from teeth
MINNESOTA MINING & MFG16 citations73
US4170636AOct 9, 1979
Composition and method for inhibiting plaque formation
MINNESOTA MINING & MFG12 citations71