Patent Application 8464/42: correspondence concerning Indian patent application

Correspondence, including specification, concerning Indian patent application 29713 (British equivalent 8464/42). With original file front.

All material 1943-1944, except two cited specifications, Indian patents 22344 ("Improvements in the manufacture and use of synthetic resins") and 22345 ("Method of and means for effecting anionic exchanges in solutions"), both Patent Office, Calcutta, 1935. "The invention [29713] claimed appears prima facie to be lacking in novelty, see for instance prior Indian specifications Nos. 22344 and 22345" (note from Controller of Patents and Designs, Calcutta, attached to specification).

1935-1944

1 file

Copyright assigned to the Wellcome Trust