Otto L. Dozsa

Follow

Person

Palos Heights, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Highly efficient calcination of gypsum to hemihydrate
- Patent number 4,744,963
- Issue date May 17, 1988
- United States Gypsum Company
- Otto L. Dozsa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Accelerator for gypsum plaster and process of manufacture
- Patent number 4,681,644
- Issue date Jul 21, 1987
- USG Corporation
- Otto L. Dozsa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES