Assignee
KNAUF WESTDEUTSCHE GIPS
8 granted patents·457 citations·filing 1973–1991
Top patents by PatentIndex Score
8 records- 0194US3993822AMulti-layer plasterboardKNAUF WESTDEUTSCHE GIPS·Filed 1973·Granted Nov 23, 1976·191 cites·2 claims
- 0291US4504533AGypsum construction sheet with glass fiber/non-woven felt lining sheetKNAUF WESTDEUTSCHE GIPS·Filed 1984·Granted Mar 12, 1985·133 cites·2 claims
- 0387US5395685AGypsum board comprisiing linings made of glass fiber non-wovens coated with an inorganic cement binderKNAUF WESTDEUTSCHE GIPS·Filed 1990·Granted Mar 7, 1995·79 cites·4 claims
- 0464US4214027AProcess for the production of fiber-containing plaster boardsKNAUF WESTDEUTSCHE GIPS·Filed 1979·Granted Jul 22, 1980·19 cites·17 claims
- 0558US4173610AProcess for the manufacture of lump calcium sulfateKNAUF WESTDEUTSCHE GIPS·Filed 1977·Granted Nov 6, 1979·16 cites·4 claims
- 0650US3954492ACalcium sulphate anhydrite mortarKNAUF WESTDEUTSCHE GIPS·Filed 1974·Granted May 4, 1976·6 cites·7 claims
- 0746US5169444AProcess for preparing calcium sulfate anhydriteKNAUF WESTDEUTSCHE GIPS·Filed 1991·Granted Dec 8, 1992·12 cites·22 claims
- 0823US4039616AProcess for the manufacture of stabilized, hardenable calcium sulphate by reacting crude phosphate with sulphuric acidKNAUF WESTDEUTSCHE GIPS·Filed 1975·Granted Aug 2, 1977·1 cites·10 claims
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