Improvements in or relating to Photographic Development

1,191,535. Quinoline derivatives. GEVAERTAGFA N.V. 3 May, 1968 [24 May, 1967], No. 24191/67. Heading C2C. [Also in Division G2] 6 - Diethylamino - 1:2:3:4 - tetrahydroquinoline dihydrochloride is made by hydrogenation of 6-diethylamino-quinoline with H 2 / Ni and then treating the product with HCl....

Full description

Saved in:
Bibliographic Details
Main Authors GEORGE FRANS VAN VEELEN, JOZEF FRANS WILLEMS
Format Patent
LanguageEnglish
Published 13.05.1970
Subjects
AUXILIARY PROCESSES IN PHOTOGRAPHY
CHEMISTRY
CINEMATOGRAPHY
ELECTROGRAPHY
HETEROCYCLIC COMPOUNDS
HOLOGRAPHY
METALLURGY
ORGANIC CHEMISTRY
PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES
PHOTOGRAPHY
PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES
PHYSICS
Online AccessGet full text

Cover

More Information
Summary:1,191,535. Quinoline derivatives. GEVAERTAGFA N.V. 3 May, 1968 [24 May, 1967], No. 24191/67. Heading C2C. [Also in Division G2] 6 - Diethylamino - 1:2:3:4 - tetrahydroquinoline dihydrochloride is made by hydrogenation of 6-diethylamino-quinoline with H 2 / Ni and then treating the product with HCl. 1 - Ethyl - 6 - diethylamino - 1: 2: 3: 4 - tetrahydroquinoline dihydrochloride and 1-(4-sulphobutyl) - 6 - diethylamino - 1: 2: 3: 4 - tetrahyco. quinoline are made by heating 6-diethylamino- 1: 2: 3: 4 - tetrahydroquinoline with respectively (i) triethylphosphate and then HCI, and (ii) butane sultone.
Bibliography:Application Number: GB19670024191