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of mica fibres or flakes
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CPC
D21H5/186
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Parent Industries
D
TEXTILES PAPER
D21
Papermaking
D21H
PULP COMPOSITIONS PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D IMPREGNATING OR COATING OF PAPER TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G PAPER NOT OTHERWISE PROVIDED FOR
D21H5/00
Special paper or cardboard not otherwise provided for
Current Industry
D21H5/186
of mica fibres or flakes
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Patents Grants
last 30 patents
Information
Patent Grant
Flocced mineral materials and water-resistant articles made therefrom
Patent number
4,707,298
Issue date
Nov 17, 1987
Armstrong World Industries, Inc.
Thomas M. Tymon
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
High vinyl polybutadiene or styrene-butadiene copolymer
Patent number
4,397,994
Issue date
Aug 9, 1983
Japan Synthetic Rubber Co., Ltd.
Yasumasa Takeuchi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE