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Title: Fire-retardant composition

Abstract: Composite materials composed of an organic polymer containing a fire-retardant together with a blowing agent and a hydroxy group-containing organic acid or a salt thereof, or a reaction product of the blowing agent and said acid or salt.


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Inventors: Brown, Geoffrey T. (Runcorn, GB)
Case, John R. (Runcorn, GB)

Application Number: 593241
Filing Date: 1975-07-07
Publication_date: 1979-01-30
Assignee: Imperial Chemical Industries Limited (London, GB2)
Primary Class(es): 521/138 521/103, 521/106, 521/117, 521/118
Other Classes:
US Patent Ref:
2780606Feb, 1957Hoppe et al.260/2.
3660321May, 1972Praetzel et al.260/2.

Other Refs:
Primary Examiner: Ziegler, J.
Assistant Examiner:
Attorney: Cushman, Darby & Cushman