P

Inventor

BURNS PAUL A

US23 patents
⚠️ This page may combine multiple inventors who share the name “BURNS PAUL A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

EASTMAN KODAK CO

22 patents
US4861701AAug 29, 1989

Photographic element and process comprising a compound which comprises two timing groups in sequence

EASTMAN KODAK CO106 citations93
US5411839AMay 2, 1995

Image formation in color reversal materials using strong inhibitors

EASTMAN KODAK CO24 citations91
US5310642AMay 10, 1994

DIR couplers with hydrolyzable inhibitors for use in high pH processed films

EASTMAN KODAK CO20 citations91
US5925503AJul 20, 1999

Photographic element having improved magenta dye light stability and process for its use

EASTMAN KODAK CO13 citations73
US5314790AMay 24, 1994

Tone control of photographic silver images

EASTMAN KODAK CO7 citations73
US5292627AMar 8, 1994

Tone control of photographic images

EASTMAN KODAK CO9 citations73
US5021333AJun 4, 1991

Color photographic element, compounds and process

EASTMAN KODAK CO9 citations73
US5972587AOct 26, 1999

Photographic element having improved magenta dye light stability and process for its use

EASTMAN KODAK CO9 citations71
US5006448AApr 9, 1991

Photographic material and process

EASTMAN KODAK CO9 citations70
US5021325AJun 4, 1991

Photographic material and process comprising a pyrazolotriazole coupler

EASTMAN KODAK CO4 citations63
US4990430AFeb 5, 1991

Process for retouching dye images

EASTMAN KODAK CO6 citations63
US6190849B1Feb 20, 2001

Photographic element containing ballasted tetrazole derivative and inhibitor releasing coupler

EASTMAN KODAK CO5 citations62
US5292631AMar 8, 1994

Radiographic elements with improved covering power

EASTMAN KODAK CO6 citations62
US5250399AOct 5, 1993

Photographic material and process comprising a universal coupler

EASTMAN KODAK CO3 citations62
US5972574AOct 26, 1999

Photographic element containing magenta coupler having improved manufacturability and dye light stability

EASTMAN KODAK CO6 citations61
US6043013AMar 28, 2000

Color photographic element containing elemental silver and heterocyclic thiol in a non-light sensitive layer

EASTMAN KODAK CO4 citations60
US5985533ANov 16, 1999

Photographic element having improved magenta dye light stability and process for its use

EASTMAN KODAK CO4 citations60
US5110942AMay 5, 1992

Dye derived from a pyrazolotriazole

EASTMAN KODAK CO0 citations52
US5296337AMar 22, 1994

Process for retouching photographic images containing a dye having a cleavable ballast

EASTMAN KODAK CO0 citations50
US5534401AJul 9, 1996

Retouchable reversal silver halide photographic element with a pyrazoloazole magenta dye-forming coupler

EASTMAN KODAK CO0 citations48
US6291152B1Sep 18, 2001

Photographic element having improved dye stability, compound, and imaging process

EASTMAN KODAK CO0 citations41
US6329130B1Dec 11, 2001

Silver halide photographic element, imaging process, and compound

EASTMAN KODAK CO0 citations39

CRITICAL SYSTEMS

1 patent