US PATENT SUBCLASS 106 / 680
.~.~.~ Calcium sulfate containing (e.g., anhydrite, plaster of Paris, gypsum, etc.)

Current as of: June, 1999
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106 /   HD   COMPOSITIONS: COATING OR PLASTIC

*  DD  COATING OR PLASTIC COMPOSITIONS {40}
638  DF  .~ Inorganic settable ingredient containing {30}
672  DF  .~.~ Hollow, foam, cellular or porous material containing or method of forming cellular or porous product {9}
680.~.~.~ Calcium sulfate containing (e.g., anhydrite, plaster of Paris, gypsum, etc.)

DEFINITION

Classification: 106/680

Calcium sulfate containing (e.g., anhydrite, plaster of paris, gypsum, etc.):

(under subclass 672) Subject matter containing calcium sulfate, e.g., anhydrite, plaster of paris, gypsum, etc.