FR1183142A
Expired / Lapsed
FR
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Advanced optical brighteners, their preparation and applications
Assignee: Hickson and Welch Ltd
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Filing: 1957-09-18
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Granted: 1959-07-03
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Expires: 1977-09-18
Abstract
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Inventors
No inventors recorded.
Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-07 13:27
CPC Classifications
C; C09; C09B; C09B56/00; C09B56/04
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