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
- Application Number
- BE0680583
- Authority / Receiving Office
- BE · BE
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 1965-01-26
- Filing Date
- 1966-05-05
- Publication Date
- 1966-10-17
- Estimated Expiration
- Not applicable · inactive patent
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