Play material

Details Play material Play material

1992-02-07

1994-05-10

Brunsman, David

Compositions: coating or plastic

Coating or plastic compositions

Carbohydrate or derivative containing

C08L 504

Patent

active

053104218

ABSTRACT:
A play material is formed using a self cross-linking sodium alginate combined with germaben II-E and butylparaben preservatives. A sodium chloride salt provides further preservative action which increases the firmness of the alginate gel material. The play material exhibits improved preservative action and avoidance of eye and skin irritation problems on the part of the user.

REFERENCES:
patent: 1404345 (1922-01-01), Dales
patent: 3640741 (1972-02-01), Etes
patent: 4299231 (1981-11-01), Karmann et al.
patent: 4315779 (1982-02-01), Heyd et al.

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