Compositions of cellular materials that contain anhydrite...

Compositions: coating or plastic – Coating or plastic compositions – Inorganic settable ingredient containing

Reexamination Certificate

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C106S680000

Reexamination Certificate

active

07837786

ABSTRACT:
The present invention describes improved cellular compositions that contain anhydrite that reaches high compression resistance values, of the order of 110 to 138 Kg/cm2, as well as methods of obtaining of these. The obtained cellular materials with the compositions of the invention can be used like constructive structural materials, and without they present the problems commonly associate to the anhydrous calcium sulphate presence in similar materials.

REFERENCES:
patent: 4233080 (1980-11-01), Koeppel
patent: 4300324 (1981-11-01), Koeppel
patent: 4900359 (1990-02-01), Gelbman
patent: 5183505 (1993-02-01), Spinney
patent: 5788761 (1998-08-01), Hums et al.
patent: 2548912 (1977-05-01), None
patent: 0157760 (1985-10-01), None
patent: 1081113 (2001-03-01), None
patent: 865359 (1941-05-01), None
patent: 523450 (1940-07-01), None
patent: 832256 (1960-04-01), None
patent: PA03011064 (2004-04-01), None
patent: 9301148 (1993-01-01), None

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