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Roman Loza
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Solon, OH, US
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last 30 patents
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Patent Grant
Process of making ceramics
Patent number
4,917,842
Issue date
Apr 17, 1990
The Standard Oil Company
Janie K. Currie
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
C-branched zwitterionic surfactants and enhanced oil recovery metho...
Patent number
4,908,141
Issue date
Mar 13, 1990
The Standard Oil Company
Roman Loza
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Divalent ion tolerant aromatic sulfonates
Patent number
4,894,173
Issue date
Jan 16, 1990
The Standard Oil Company
Roman Loza
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
C-branched zwitterionic surfactants and enhanced oil recovery metho...
Patent number
4,853,138
Issue date
Aug 1, 1989
The Standard Oil Company
Roman Loza
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Divalent ion tolerant aromatic sulfonates
Patent number
4,836,283
Issue date
Jun 6, 1989
The Standard Oil Company
Roman Loza
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of liquid polyamide from dinitrile and diamine
Patent number
4,554,345
Issue date
Nov 19, 1985
The Standard Oil Company
Janice L. Greene
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Preparation of polyamide by contacting diamine, dinitrile, water, d...
Patent number
4,501,881
Issue date
Feb 26, 1985
The Standard Oil Company
Janice L. Greene
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Preparation of polyamide from dinitrile, diamine, water, and CO.sub...
Patent number
4,380,623
Issue date
Apr 19, 1983
Standard Oil Company
Janice L. Greene
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...