Flame-retardant compositions of methanephosphonic acid,...

Details Flame-retardant compositions of methanephosphonic acid,... Flame-retardant compositions of methanephosphonic acid,...

2006-01-03

2006-01-03

Thexton, Matthew A. (Department: 1714)

Compositions: coating or plastic

Coating or plastic compositions

Contains fireproofing or biocidal agent

C252S608000

Reexamination Certificate

active

06981998

ABSTRACT:
Compositions are described that are obtainable by preparing a mixture of methanephosphonic acid, boric acid, water and optionally urea and subsequently adding dicyandiamide and/or guanylurea to this mixture. The compositions thus obtained are useful for conferring a flame-retardant finish on fibrous materials, especially on woven fabrics composed of cellulosic fibers.

REFERENCES:
patent: 4452849 (1984-06-01), Nachbur et al.
patent: 4666967 (1987-05-01), Richardson et al.
patent: 5156775 (1992-10-01), Blount
patent: 6054515 (2000-04-01), Blount
patent: 6156240 (2000-12-01), Blount
patent: 4140966 (1993-06-01), None
patent: 0469339 (1992-02-01), None
patent: 0499867 (1992-08-01), None
Chem. Abstr. 118:23705 for EP 0499867 (1992).
English language abstract for EP 0469339 (1992).
Chem. Abstr. 120:56637 for DE 4140966 (1993).

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