Invention Grant
- Patent Title: Compositions and method for producing a chemical watermark on finished paper products
- Patent Title (中): 成品纸上产生化学水印的组合物和方法
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Application No.: US552153Application Date: 1975-02-24
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Publication No.: US3985927APublication Date: 1976-10-12
- Inventor: Terry O. Norris , Rolland A. Aubey , John E. Haug
- Applicant: Terry O. Norris , Rolland A. Aubey , John E. Haug
- Applicant Address: WI Port Edwards
- Assignee: Nekoosa Edwards Paper Company, Inc.
- Current Assignee: Nekoosa Edwards Paper Company, Inc.
- Current Assignee Address: WI Port Edwards
- Main IPC: B41M3/10
- IPC: B41M3/10 ; B41M7/00 ; D21H1/48 ; D21H5/00
Abstract:
Compositions and method for producing chemical watermarks in finished paper products, the watermarks being produced by applying to the surface of the paper a synthetic resin composition having a chemical grouping therein capable of being insolubilized upon exposure to high frequency radiation, and thereafter exposing the resin composition to such high frequency radiation to insolubilize the resin.
Public/Granted literature
- US5708151A Cationic imidazole azo dyes Public/Granted day:1998-01-13
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