P

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 patents
US5703122ADec 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 patents