Setting retarder

Details Setting retarder Setting retarder

1976-09-14

1978-11-07

Rutledge, L. Dewayne

Compositions: coating or plastic

Coating or plastic compositions

Proteinaceous material containing

106315, C04B 1114

Patent

active

041244060

ABSTRACT:
Gypsum plaster having a delayed setting time is made by adding a mixture of mesotartaric acid and l-tartaric acid or d,l-tartaric acid or a mixture of l-tartaric acid and d,l-tartaric acid to the gypsum plaster.

REFERENCES:
patent: 169212 (1975-10-01), Warwick
patent: 392481 (1888-11-01), Williams
patent: 422269 (1890-02-01), West
patent: 449653 (1891-04-01), Abell
patent: 2508480 (1950-05-01), Ainsworth
"Hackh's Chemical Dictionary", McGraw-Hill Book Co., 1969, 4th ed., pp. 420, 567 and 637.

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