Inventor

HIMMELMANN WOLFGANG

DE35 patents

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

HIMMELMANN WOLFGANG

AGFA GEVAERT AG

Photographic silver halide recording material with cellulose dicarboxylic acid semiester particles in outer layer

Process for hardening silver halide containing photographic layers with sulpho- or sulphoalkyl-substituted carbamoyl pyridinium compounds

Color photographic recording material containing a polymeric gelatine plasticizer

Process for the preparation of dispersions of hydrophobic substances in water

Photographic recording material containing polyester compounds having free acid groups

Color photographic recording material and a process for the production of color photographic images

Photographic silver halide recording material with graft copolymer particles in outer layer

Photosensitive photographic recording material comprising a dyed layer

Photographic silver halide material

Process for hardening photographic gelatin

Process for hardening a photographic material

Photographic film unit for the production of colored transfer images

Process for hardening silver halide photographic layers with organic asymmetric monocarbodiimides

Light-sensitive photographic material comprising polymeric mordant layer

Hardening photographic layers containing silver halide with a 1-sulphonyl-4-amino-pyridinium salt

Process for hardening photographic layers containing gelatine

Photographic silver halide element with protective layer

Hardeners for proteins, a binder layer hardened therewith and a photographic recording material containing such a layer

Process for the production of matting layers

Process for the hardening of photographic layers utilizing fast acting hardener and polysaccharide

Hardeners for proteins, a layer of binder hardened therewith and a photographic recording material containing such a layer

Process for hardening photographic layers with carbodiimide compounds containing sulphobetaine groups

Photographic recording material

Process for hardening photographic layers

Method of hardening a protein-containing layer of a silver halide photographic material with an alkyl ester of 1,2-dihydroquinoline-N-carboxylic acid

Process for the preparation of sulfoalkyl quaternary salts and for the production of alkane sultones

Process of hardening a silver halide photographic material with a 1-carbamoyloxypyridinium salt

Photographic gelatine layers with improved physical and photographic properties

Photographic dye diffusion transfer process and color photographic recording material suitable for this process

Photographic recording material

Dye diffusion transfer process wherein proteolytic enzyme decomposes light sensitive element

Photographic material

AGFA GEVAERT NV

Photographic silver halide color material containing fast-acting hardener and 2-pyrazolin-5-one coupler precursors

MILES INC

Process for the preparation of reagent layers containing hydrophobic reagents

LANGEN HANS

Photographic recording material and a process for the production of photographic images