William E. Long

Person

Cheshire, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Processing of monochrome photographic silver halide print material
- Patent number 5,770,351
- Issue date Jun 23, 1998
- Ilford Limited
- William Edward Long
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Concentrated photographic developing solution
- Patent number 5,376,510
- Issue date Dec 27, 1994
- Ilford Limited
- Michael J. Parker
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Processing of photographic silver halide materials
- Patent number 4,948,714
- Issue date Aug 14, 1990
- Ilford Limited
- William E. Long
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing agents
- Patent number 4,917,992
- Issue date Apr 17, 1990
- Ciba-Geigy AG
- Malcolm D. Tirel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processing holograms
- Patent number 4,788,115
- Issue date Nov 29, 1988
- Ciba-Geigy AG
- William E. Long
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic developing agents containing stable, soluble, pyrazoli...
- Patent number 4,753,869
- Issue date Jun 28, 1988
- Ciba-Geigy AG
- William E. Long
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-pyrazolidinone salts
- Patent number 4,732,981
- Issue date Mar 22, 1988
- Ciba-Geigy AG
- Malcolm D. Tirel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tetra-aza indene compounds
- Patent number 4,728,601
- Issue date Mar 1, 1988
- Ciba-Geigy AG
- David Rowland
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyrazolidinone salts as developing agents
- Patent number 4,687,846
- Issue date Aug 18, 1987
- Ciba-Geigy AG
- Malcolm D. Tirel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyrazolone compounds and a process for their manufacture
- Patent number 4,609,620
- Issue date Sep 2, 1986
- Ciba-Geigy AG
- Stephen R. Postle
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Protected developing agents
- Patent number 4,560,646
- Issue date Dec 24, 1985
- Ciba-Geigy AG
- William E. Long
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dyestuffs and their use in photographic material
- Patent number 4,482,716
- Issue date Nov 13, 1984
- Ciba-Geigy AG
- William E. Long
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dyestuffs and their use in photographic material
- Patent number 4,446,227
- Issue date May 1, 1984
- Ciba-Geigy AG
- William E. Long
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic material
- Patent number 4,446,216
- Issue date May 1, 1984
- Norman A. Smith
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for the production of photographic images by dye diffusion...
- Patent number 4,386,149
- Issue date May 31, 1983
- Ciba-Geigy AG
- Leslie F. A. Mason
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of photographic images and photographic...
- Patent number 4,353,974
- Issue date Oct 12, 1982
- Ciba-Geigy AG
- Terence C. Webb
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for preparing certain pyridine 2,3,6-triones
- Patent number 4,335,245
- Issue date Jun 15, 1982
- Ciba-Geigy AG
- William E. Long
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyridine-2,3,6-triones
- Patent number 4,288,598
- Issue date Sep 8, 1981
- Ciba-Geigy AG
- William E. Long
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azo compounds useful in a photographic dye diffusion transfer process
- Patent number 4,285,859
- Issue date Aug 25, 1981
- Ciba-Geigy AG
- Rainer Kitzing
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for the production of photographic images by dye diffusion...
- Patent number 4,269,928
- Issue date May 26, 1981
- Ciba-Geigy Aktiengesellschaft
- Leslie F. A. Mason
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Positively or negatively charged azo compounds containing a ballast...
- Patent number 4,248,772
- Issue date Feb 3, 1981
- Ciba-Geigy AG
- William E. Long
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dyestuffs containing amino or imino groups
- Patent number 4,237,281
- Issue date Dec 2, 1980
- Ciba-Geigy Aktiengesellschaft
- William E. Long
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azo(hydrazo)-anthraquinone compounds
- Patent number 4,216,146
- Issue date Aug 5, 1980
- Ciba-Geigy AG
- Rainer Kitzing
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

William E. Long

Person

Patents Grantslast 30 patents

Processing of monochrome photographic silver halide print material

Concentrated photographic developing solution

Processing of photographic silver halide materials

Developing agents

Processing holograms

Photographic developing agents containing stable, soluble, pyrazoli...

3-pyrazolidinone salts

Tetra-aza indene compounds

Pyrazolidinone salts as developing agents

Pyrazolone compounds and a process for their manufacture

Protected developing agents

Dyestuffs and their use in photographic material

Dyestuffs and their use in photographic material

Photographic material

Process for the production of photographic images by dye diffusion...

Process for the production of photographic images and photographic...

Process for preparing certain pyridine 2,3,6-triones

Pyridine-2,3,6-triones

Azo compounds useful in a photographic dye diffusion transfer process

Process for the production of photographic images by dye diffusion...

Positively or negatively charged azo compounds containing a ballast...

Dyestuffs containing amino or imino groups

Azo(hydrazo)-anthraquinone compounds