Kristine S. Siefert

Person

Crete, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Sulfide ion-selective electrodes for control of chemical feed of or...
- Patent number 5,401,420
- Issue date Mar 28, 1995
- Nalco Chemical Company
- Kristine S. Siefert
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for removing metals from a fluid stream
- Patent number 5,346,627
- Issue date Sep 13, 1994
- Nalco Chemical Company
- Kristine S. Siefert
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Hydrophobic polyelectrolytes used in removing color
- Patent number 5,338,816
- Issue date Aug 16, 1994
- Nalco Chemical Company
- Manian Ramesh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
System using sulfide ion-selective electrodes for control of chemic...
- Patent number 5,328,599
- Issue date Jul 12, 1994
- Nalco Chemical Company
- Kristine S. Siefert
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Hydrophobic polyelectrolytes used in removing color
- Patent number 5,283,306
- Issue date Feb 1, 1994
- Nalco Chemical Company
- Manian Ramesh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Pulp and paper mill wastewater color removal
- Patent number 5,200,089
- Issue date Apr 6, 1993
- Nalco Chemical Company
- Kristine S. Siefert
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for de-oiling mill sludge
- Patent number 5,125,966
- Issue date Jun 30, 1992
- Nalco Chemical Company
- Kristine S. Siefert
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for de-oiling mill scale
- Patent number 5,047,083
- Issue date Sep 10, 1991
- Nalco Chemical Company
- Natalie R. Blake
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Kristine S. Siefert

Person

Patents Grantslast 30 patents

Sulfide ion-selective electrodes for control of chemical feed of or...

Method for removing metals from a fluid stream

Hydrophobic polyelectrolytes used in removing color

System using sulfide ion-selective electrodes for control of chemic...

Hydrophobic polyelectrolytes used in removing color

Pulp and paper mill wastewater color removal

Process for de-oiling mill sludge

Process for de-oiling mill scale