Teh-hsuan Chen

Person

Fairport, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Silver halide element containing triazole inhibitors
- Patent number 6,007,974
- Issue date Dec 28, 1999
- Eastman Kodak Company
- William J. Begley
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Indazole containing coupler
- Patent number 5,962,656
- Issue date Oct 5, 1999
- Eastman Kodak Company
- William James Begley
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic coupler capable of releasing a photographically useful...
- Patent number 5,912,110
- Issue date Jun 15, 1999
- Eastman Kodak Company
- William James Begley
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic element containing a coupler capable of releasing a ph...
- Patent number 5,834,604
- Issue date Nov 10, 1998
- Eastman Kodak Company
- William James Begley
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic element containing a coupler capable of releasing a ph...
- Patent number 5,817,809
- Issue date Oct 6, 1998
- Eastman Kodak Company
- William James Begley
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic element containing a coupler capable of releasing a ph...
- Patent number 5,719,017
- Issue date Feb 17, 1998
- Eastman Kodak Company
- William James Begley
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic element containing a coupler capable of releasing a ph...
- Patent number 5,709,987
- Issue date Jan 20, 1998
- Eastman Kodak Company
- William James Begley
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic element containing a coupler capable of releasing a ph...
- Patent number 5,686,234
- Issue date Nov 11, 1997
- Eastman Kodak Company
- William James Begley
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic element containing a coupler capable of releasing a ph...
- Patent number 5,670,301
- Issue date Sep 23, 1997
- Eastman Kodak Company
- William James Begley
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Magenta development inhibitor releasing coupler
- Patent number 5,334,490
- Issue date Aug 2, 1994
- Eastman Kodak Company
- William J. Begley
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic material and process comprising a pyrazolotriazole moiety
- Patent number 5,306,607
- Issue date Apr 26, 1994
- Eastman Kodak Company
- William J. Begley
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic silver halide materials and process comprising new pyr...
- Patent number 5,302,496
- Issue date Apr 12, 1994
- Eastman Kodak Company
- Robert F. Romanet
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic material and process comprising a coupler capable of f...
- Patent number 5,288,593
- Issue date Feb 22, 1994
- Eastman Kodak Company
- William J. Begley
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic material and process employing a development inhibitor...
- Patent number 5,283,163
- Issue date Feb 1, 1994
- Eastman Kodak Company
- Gregory J. Lestina
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic material and process comprising wash-out naphtholic co...
- Patent number 5,283,340
- Issue date Feb 1, 1994
- Eastman Kodak Company
- William J. Begley
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic material and process comprising a coupler capable of f...
- Patent number 5,279,929
- Issue date Jan 18, 1994
- Eastman Kodak Company
- William J. Begley
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic silver halide material and process comprising water-so...
- Patent number 5,250,398
- Issue date Oct 5, 1993
- Eastman Kodak Company
- William J. Begley
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic material and process comprising a universal coupler
- Patent number 5,250,399
- Issue date Oct 5, 1993
- Eastman Kodak Company
- Richard P. Szajewski
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic material and process comprising wash-out naphtholic co...
- Patent number 5,234,800
- Issue date Aug 10, 1993
- Eastman Kodak Company
- William J. Begley
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic silver halide materials and process comprising new pyr...
- Patent number 5,183,728
- Issue date Feb 2, 1993
- Eastman Kodak Company
- Robert F. Romanet
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic material and process comprising wash-out naphtholic co...
- Patent number 5,151,343
- Issue date Sep 29, 1992
- Eastman Kodak Company
- William J. Begley
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic material and process comprising a compound capable of...
- Patent number 5,026,628
- Issue date Jun 25, 1991
- Eastman Kodak Company
- William J. Begley
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic element comprising a development inhibitor releasing c...
- Patent number 5,021,322
- Issue date Jun 4, 1991
- Eastman Kodak Company
- William J. Begley
- C07 - ORGANIC CHEMISTRY

Teh-hsuan Chen

Person

Patents Grantslast 30 patents

Silver halide element containing triazole inhibitors

Indazole containing coupler

Photographic coupler capable of releasing a photographically useful...

Photographic element containing a coupler capable of releasing a ph...

Photographic element containing a coupler capable of releasing a ph...

Photographic element containing a coupler capable of releasing a ph...

Photographic element containing a coupler capable of releasing a ph...

Photographic element containing a coupler capable of releasing a ph...

Photographic element containing a coupler capable of releasing a ph...

Magenta development inhibitor releasing coupler

Photographic material and process comprising a pyrazolotriazole moiety

Photographic silver halide materials and process comprising new pyr...

Photographic material and process comprising a coupler capable of f...

Photographic material and process employing a development inhibitor...

Photographic material and process comprising wash-out naphtholic co...

Photographic material and process comprising a coupler capable of f...

Photographic silver halide material and process comprising water-so...

Photographic material and process comprising a universal coupler

Photographic material and process comprising wash-out naphtholic co...

Photographic silver halide materials and process comprising new pyr...

Photographic material and process comprising wash-out naphtholic co...

Photographic material and process comprising a compound capable of...

Photographic element comprising a development inhibitor releasing c...