Richmond, Hitchcock, Fish & Dollar

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Bartlesville, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of making a zeolite material
- Patent number 6,300,270
- Issue date Oct 9, 2001
- Richmond, Hitchcock, Fish & Dollar
- An-hsiang Wu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Oxidation of mercaptans to organic disulfides
- Patent number 6,294,699
- Issue date Sep 25, 2001
- Richmond, Hitchcock, Fish & Dollar
- Mitchell D. Refvik
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process and apparatus for producing organic polysulfides
- Patent number 6,284,926
- Issue date Sep 4, 2001
- Richmond, Hitchcock, Fish & Dollar
- Brooks D. Bennett
- C07 - ORGANIC CHEMISTRY