Howard L. Acla

Person

Towanda, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
High purity high surface area alpha crystalline silicon nitride
- Patent number 4,710,368
- Issue date Dec 1, 1987
- GTE Products Corporation
- Joseph E. Ritsko
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Yttrium oxide stabilized zirconium oxide
- Patent number 4,695,439
- Issue date Sep 22, 1987
- GTE Products Corporation
- Joseph E. Ritsko
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
High purity high surface area silicon nitride
- Patent number 4,626,422
- Issue date Dec 2, 1986
- GTE Products Corporation
- Joseph E. Ritsko
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Removal of chromium from cobalt
- Patent number 4,578,251
- Issue date Mar 25, 1986
- GTE Products Corporation
- Joseph E. Ritsko
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing high purity tantalum oxide
- Patent number 4,537,750
- Issue date Aug 27, 1985
- GTE Products Corporation
- Joseph E. Ritsko
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the recovery of tantalum values
- Patent number 4,495,158
- Issue date Jan 22, 1985
- GTE Products Corporation
- Joseph E. Ritsko
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the recovery of high purity tantalum oxide
- Patent number 4,490,340
- Issue date Dec 25, 1984
- GTE Products Corporation
- Joseph E. Ritsko
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Recovery of tungsten and molybdenum from sulfur-bearing material
- Patent number 4,482,526
- Issue date Nov 13, 1984
- GTE Products Corporation
- Joseph E. Ritsko
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for removing tungsten from cemented tungsten carbide
- Patent number 4,255,397
- Issue date Mar 10, 1981
- GTE Products Corporation
- Brice E. Martin
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for producing cobalt powder
- Patent number 4,233,063
- Issue date Nov 11, 1980
- GTE Products Corporation
- Joseph E. Ritsko
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for producing cobalt metal powder
- Patent number 4,214,894
- Issue date Jul 29, 1980
- GTE Products Corporation
- Joseph E. Ritsko
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing extra fine cobalt metal powder
- Patent number 4,184,868
- Issue date Jan 22, 1980
- GTE Sylvania Incorporated
- Joseph E. Ritsko
- B22 - CASTING POWDER METALLURGY

Howard L. Acla

Person

Patents Grantslast 30 patents

High purity high surface area alpha crystalline silicon nitride

Yttrium oxide stabilized zirconium oxide

High purity high surface area silicon nitride

Removal of chromium from cobalt

Process for producing high purity tantalum oxide

Process for the recovery of tantalum values

Process for the recovery of high purity tantalum oxide

Recovery of tungsten and molybdenum from sulfur-bearing material

Process for removing tungsten from cemented tungsten carbide

Process for producing cobalt powder

Method for producing cobalt metal powder

Method for producing extra fine cobalt metal powder