GB1237353A
Expired / Lapsed
GB
⏱️ 0.0 years remaining
Improved composition for fibreboard
Assignee: Grain Processing Corp
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Filing: 1969-01-07
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Granted: —
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Expires: 1989-01-07
Abstract
Abstract 1,237,353. Paper board. GRAIN PROCESSING CORP. 7 Jan., 1969 [15 Jan, 1968], No. 1020/69. Heading D2B. [Also in Division C3] Starch is modified with maleic anhydride in the presence of an alkali at a pH of 7 to 11. A fibrous board uses starch so modified as a binder. It may be made on a papermaking machine. The preparation of boards from mineral wool with a clay filler and starch binders is described comparisons being drawn between starch maleate, unmodified corn starch, tapioca starch and formaldehydemodified starch.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
GB
Data Source
google_patents
Last Synchronized
2026-10-28 19:21
CPC Classifications
C; C08; C08B; C08B31/00; C08B31/02; C08B31/04; D; D21; D21J; D21J1/00
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