Frederick T. Welge

Person

Webster Groves, MO, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method of removing water soluble organics from oil process water
- Patent number 4,818,410
- Issue date Apr 4, 1989
- Petrolite Corporation
- Thomas J. Bellos
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Hydroxypropylene-amino-phosphonic-sulfonic acids for inhibiting sca...
- Patent number 4,229,294
- Issue date Oct 21, 1980
- Petrolite Corporation
- Derek Redmore
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Inhibiting scale with amino-phosphonic-sulfonic acids
- Patent number 4,212,734
- Issue date Jul 15, 1980
- Petrolite Corporation
- Derek Redmore
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hydroxypropylene-amino-phosphonic-sulfonic acids
- Patent number 4,187,245
- Issue date Feb 5, 1980
- Petrolite Corporation
- Derek Redmore
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyvinyl quaternaries
- Patent number 4,139,718
- Issue date Feb 13, 1979
- Petrolite Corporation
- Derek Redmore
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Oil-soluble chromium compositions
- Patent number 4,104,293
- Issue date Aug 1, 1978
- Petrolite Corporation
- Derek Redmore
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Amino-phosphonic-sulfonic acids
- Patent number 4,085,134
- Issue date Apr 18, 1978
- Petrolite Corporation
- Derek Redmore
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Oil-soluble aluminum compositions
- Patent number 4,076,638
- Issue date Feb 28, 1978
- Petrolite Corporation
- Derek Redmore
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Quaternary ammonium salts of polyepihalohydrin
- Patent number 4,057,554
- Issue date Nov 8, 1977
- Petrolite Corporation
- Derek Redmore
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnesium carboxylate-sulfonate complexes
- Patent number 4,056,479
- Issue date Nov 1, 1977
- Petrolite Corporation
- Derek Redmore
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Frederick T. Welge

Person

Patents Grantslast 30 patents

Method of removing water soluble organics from oil process water

Hydroxypropylene-amino-phosphonic-sulfonic acids for inhibiting sca...

Inhibiting scale with amino-phosphonic-sulfonic acids

Hydroxypropylene-amino-phosphonic-sulfonic acids

Polyvinyl quaternaries

Oil-soluble chromium compositions

Amino-phosphonic-sulfonic acids

Oil-soluble aluminum compositions

Quaternary ammonium salts of polyepihalohydrin

Magnesium carboxylate-sulfonate complexes