Paul Stahlhofen

Person

Wiesbaden, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Photosensitive mixture containing an ester or amide of 1,2-naphthoq...
- Patent number 5,225,310
- Issue date Jul 6, 1993
- Hoechst Aktiengesellschaft
- Paul Stahlhofen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for producing images on a photosensitive material
- Patent number 5,149,613
- Issue date Sep 22, 1992
- Hoechst Aktiengesellschaft
- Paul Stahlhofen
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Light-sensitive mixture based on 1,2-naphthoquinone-diazides, and r...
- Patent number 5,143,815
- Issue date Sep 1, 1992
- Hoechst Aktiengesellschaft
- Paul Stahlhofen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for preparing photographic elements utilizing light-sensiti...
- Patent number 5,084,372
- Issue date Jan 28, 1992
- Hoechst Celanese Corporation
- Shane Hsieh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-sensitive mixture for producing positive or negative relief c...
- Patent number 5,070,001
- Issue date Dec 3, 1991
- Hoechst Aktiengesellschaft
- Paul Stahlhofen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process of producing negative relief copies utilizing photosensitiv...
- Patent number 5,017,462
- Issue date May 21, 1991
- Hoechst Aktiengesellschaft
- Paul Stahlhofen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Copying materials
- Patent number 5,008,175
- Issue date Apr 16, 1991
- Hoechst Celanese Corporation
- Shane Hsieh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for the production of negative relief copies utilizing reve...
- Patent number 4,990,429
- Issue date Feb 5, 1991
- Hoechst Aktiengesellschaft
- Paul Stahlhofen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Burn-in gumming composition for offset printing plates
- Patent number 4,983,478
- Issue date Jan 8, 1991
- Hoechst Aktiengesellschaft
- Paul Stahlhofen
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Photosensitive composition and photosensitive copying material prep...
- Patent number 4,889,789
- Issue date Dec 26, 1989
- Hoechst Aktiengsellschaft
- Paul Stahlhofen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive composition, photosensitive copying material prepare...
- Patent number 4,889,788
- Issue date Dec 26, 1989
- Hoechst Aktiengesellschaft
- Paul Stahlhofen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Burn-in gumming composition for offset printing plates
- Patent number 4,885,230
- Issue date Dec 5, 1989
- Hoechst Aktiengesellschaft
- Paul Stahlhofen
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Gumming solution for use in the burning-in of offset-printing plate...
- Patent number 4,786,581
- Issue date Nov 22, 1988
- Hoechst Aktiengesellschaft
- Paul Stahlhofen
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Light-sensitive mixture, recording material prepared therefrom and...
- Patent number 4,717,640
- Issue date Jan 5, 1988
- Hoechst Aktiengesellschaft
- Paul Stahlhofen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-sensitive positive copying material with alkali soluble polyc...
- Patent number 4,642,282
- Issue date Feb 10, 1987
- Hoechst Aktiengesellschaft
- Paul Stahlhofen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Light-sensitive compound, light-sensitive mixture, and light-sensit...
- Patent number 4,639,406
- Issue date Jan 27, 1987
- Hoechst Aktiengesellschaft
- Paul Stahlhofen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-sensitive compound mixture and copying material comprising o-...
- Patent number 4,628,020
- Issue date Dec 9, 1986
- Hoechst Aktiengesellschaft
- Paul Stahlhofen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-sensitive copying material with o-quinone diazide and phenoli...
- Patent number 4,594,306
- Issue date Jun 10, 1986
- Hoechst Aktiengesellschaft
- Paul Stahlhofen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for producing negative copies in a material based on 1,2-qu...
- Patent number 4,581,321
- Issue date Apr 8, 1986
- Hoechst Aktiengesellschaft
- Paul Stahlhofen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for producing negative copies by means of a material based...
- Patent number 4,576,901
- Issue date Mar 18, 1986
- Hoechst Aktiengesellschaft
- Paul Stahlhofen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-sensitive, positive-working copying material having a rough s...
- Patent number 4,560,636
- Issue date Dec 24, 1985
- Hoechst Aktiengesellschaft
- Paul Stahlhofen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-sensitive mixture based on O-naphthoquinone-diazides, and lig...
- Patent number 4,517,275
- Issue date May 14, 1985
- Hoechst Aktiengesellschaft
- Paul Stahlhofen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-sensitive mixture and light-sensitive copying material prepar...
- Patent number 4,458,000
- Issue date Jul 3, 1984
- Hoechst Aktiengesellschaft
- Paul Stahlhofen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-sensitive 1,2 quinone diazide containing mixture and light-se...
- Patent number 4,457,999
- Issue date Jul 3, 1984
- Hoechst Aktiengesellschaft
- Paul Stahlhofen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-sensitive mixture based on O-naphthoquinone diazide ester of...
- Patent number 4,439,511
- Issue date Mar 27, 1984
- Hoechst Aktiengesellschaft
- Paul Stahlhofen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Light-sensitive compounds, light-sensitive mixture, and light-sensi...
- Patent number 4,409,314
- Issue date Oct 11, 1983
- Hoechst Aktiengesellschaft
- Gerhard Buhr
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-sensitive mixture comprising O-naphthoquinone-diazides and li...
- Patent number 4,407,926
- Issue date Oct 4, 1983
- Hoechst Aktiengesellschaft
- Paul Stahlhofen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-sensitive mixture and copying material prepared therefrom wit...
- Patent number 4,404,272
- Issue date Sep 13, 1983
- Hoechst Aktiengesellschaft
- Paul Stahlhofen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-sensitive mixture and copying material prepared therefrom, an...
- Patent number 4,387,152
- Issue date Jun 7, 1983
- Hoechst Aktiengesellschaft
- Paul Stahlhofen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-sensitive mixture and copying material produced therefrom
- Patent number 4,275,139
- Issue date Jun 23, 1981
- Hoechst Aktiengesellschaft
- Paul Stahlhofen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Paul Stahlhofen

Person

Patents Grantslast 30 patents

Photosensitive mixture containing an ester or amide of 1,2-naphthoq...

Process for producing images on a photosensitive material

Light-sensitive mixture based on 1,2-naphthoquinone-diazides, and r...

Process for preparing photographic elements utilizing light-sensiti...

Light-sensitive mixture for producing positive or negative relief c...

Process of producing negative relief copies utilizing photosensitiv...

Copying materials

Process for the production of negative relief copies utilizing reve...

Burn-in gumming composition for offset printing plates

Photosensitive composition and photosensitive copying material prep...

Photosensitive composition, photosensitive copying material prepare...

Burn-in gumming composition for offset printing plates

Gumming solution for use in the burning-in of offset-printing plate...

Light-sensitive mixture, recording material prepared therefrom and...

Light-sensitive positive copying material with alkali soluble polyc...

Light-sensitive compound, light-sensitive mixture, and light-sensit...

Light-sensitive compound mixture and copying material comprising o-...

Light-sensitive copying material with o-quinone diazide and phenoli...

Process for producing negative copies in a material based on 1,2-qu...

Process for producing negative copies by means of a material based...

Light-sensitive, positive-working copying material having a rough s...

Light-sensitive mixture based on O-naphthoquinone-diazides, and lig...

Light-sensitive mixture and light-sensitive copying material prepar...

Light-sensitive 1,2 quinone diazide containing mixture and light-se...

Light-sensitive mixture based on O-naphthoquinone diazide ester of...

Light-sensitive compounds, light-sensitive mixture, and light-sensi...

Light-sensitive mixture comprising O-naphthoquinone-diazides and li...

Light-sensitive mixture and copying material prepared therefrom wit...

Light-sensitive mixture and copying material prepared therefrom, an...

Light-sensitive mixture and copying material produced therefrom