High molecular weight water-swellable substances

Details High molecular weight water-swellable substances High molecular weight water-swellable substances

1984-11-20

1986-09-30

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C08F 2044

Patent

active

046147802

ABSTRACT:
Water swellable substances based on crosslinked polyacrylonitrile hydrolysates, preferably in granulate form useful for improving water retention in sandy soils and plant substrates.

REFERENCES:
patent: 3251812 (1966-05-01), Hsieh
patent: 3715341 (1973-02-01), Uelzman
patent: 3716506 (1973-02-01), Simms et al.
patent: 3806498 (1974-04-01), Wilson et al.
patent: 3828024 (1974-08-01), Breslow
patent: 3907756 (1975-09-01), Marx et al.
patent: 4310593 (1982-01-01), Gross
patent: 4337328 (1982-06-01), Holst et al.
patent: 4357437 (1982-11-01), Huhn et al.

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