John D. Johnson

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Sugar Land, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Enhanced corrosion protection by use of friction reducers in conjuc...
- Patent number 5,939,362
- Issue date Aug 17, 1999
- Nalco/Exxon Energy Chemicals, L.P.
- John D. Johnson
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Water soluble corrosion inhibitors
- Patent number 5,322,640
- Issue date Jun 21, 1994
- Nalco Chemical Company
- Norman E. Byrne
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of controlling iron in produced oilfield waters
- Patent number 5,302,293
- Issue date Apr 12, 1994
- Nalco Chemical Company
- Roy I. Kaplan
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Gelled corrosion inhibition method
- Patent number 5,275,760
- Issue date Jan 4, 1994
- Nalco Chemical Company
- John D. Johnson
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...