Inventor

HASE MARIE

DE4 patents

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

AGFA GEVAERT AG

3 patents

US4483799ANov 20, 1984

Hydroxy alkane sulfonic acid sulfoalkyl esters

AGFA GEVAERT AG8 citations69

US4539408ASep 3, 1985

Process for the preparation of sulphoalkyl quaternary salts

AGFA GEVAERT AG2 citations57

US4504668AMar 12, 1985

Process for the preparation of N-sulfoalkyl quaternary salts of nitrogen heterocyclics

AGFA GEVAERT AG2 citations57

AGFA GEVAERT NV

1 patent

US4118228AOct 3, 1978

Photographic materials suited for the production of color separations

AGFA GEVAERT NV10 citations70