Inventor
DUFFY JOHN A
US19 patents
⚠️ This page may combine multiple inventors who share the name “DUFFY JOHN A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AVON PROD INC
16 patentsUS5703122ADec 30, 1997
Ascorbic acid compositions for reducing irritation of topically applied active ingredients
AVON PROD INC45 citations96
US5516793AMay 14, 1996
Use of ascorbic acid to reduce irritation of topically applied active ingredients
AVON PROD INC82 citations96
US5472699ADec 5, 1995
Composition and method for visibly reducing the size of skin pores
AVON PROD INC55 citations96
US5676956AOct 14, 1997
Composition and method for reducing under-eye puffiness
AVON PROD INC69 citations95
US5643587AJul 1, 1997
Composition and method for under-eye skin lightening
AVON PROD INC69 citations95
US6020367AFeb 1, 2000
Supersaturated ascorbic acid solutions
AVON PROD INC38 citations92
US5415861AMay 16, 1995
Composition and method for visibly reducing the size of skin pores
AVON PROD INC28 citations92
US5569651AOct 29, 1996
Gentle anti-acne composition
AVON PROD INC45 citations91
US4724138AFeb 9, 1988
Preparation of a self supporting cosmetic from a pigmented powder
AVON PROD INC36 citations91
US5605933AFeb 25, 1997
Retinoid conjugate compounds and methods for treating of skin aging
AVON PROD INC27 citations90
US7960437B2Jun 14, 2011
Skin care composition that mediates cell to cell communication
AVON PROD INC16 citations83
US4283324AAug 11, 1981
Nail enamel composition
AVON PROD INC24 citations82
US6299889B1Oct 9, 2001
Stable ascorbic acid preparation for topical use
AVON PROD INC15 citations81
US6162450ADec 19, 2000
Uses of ascorbyl-phosphoryl-cholesterol and compositions for practicing same
AVON PROD INC7 citations73
US6180670B1Jan 30, 2001
Retinoid conjugate compounds useful for the treatment of aging skin
AVON PROD INC7 citations71
US5863942AJan 26, 1999
Retinoid conjugate compounds useful for the treatment of aging skin
AVON PROD INC3 citations60
AMOCO CORP
3 patentsUS4758956AJul 19, 1988
System for replacing defective portions of log data
AMOCO CORP17 citations74
US4852005AJul 25, 1989
Method of computing formation dip and azimuth
AMOCO CORP15 citations73
US4939649AJul 3, 1990
Method of correcting nonunimodality of dipmeter traces by uniquely transforming individual traces or intervals
AMOCO CORP5 citations63