Optical bluing process for fibrous materials based on acrylonitrile polymers or copolymers

BE680583QInactive Publication Date: 1966-10-17J R GEIGY AG
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Patent Information

Authority / Receiving Office
BE · BE
Patent Type
Patents
Current Assignee / Owner
J R GEIGY AG
Filing Date
1966-05-05
Publication Date
1966-10-17
Estimated Expiration
Not applicable · inactive patent
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