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3326681
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Patent Grant
3326681
References
Source
Patent Number
3,326,681
Date Filed
Not available
Date Issued
Tuesday, June 20, 1967
57 years ago
CPC
C07D263/56 - with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
C07D263/57 - Aryl or substituted aryl radicals
C07D277/64 - with only hydrocarbon or substituted hydrocarbon radicals attached in position 2
C07D277/66 - with aromatic rings or ring systems directly attached in position 2
C07D293/12 - Selenazoles Hydrogenated selenazoles
G03C1/34 - Fog-inhibitors Stabilisers Agents inhibiting latent image regression
G03C8/02 - Photosensitive materials characterised by the image-forming section
US Classifications
430 - Radiation imagery chemistry: process, composition, or product thereof
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