Inventor · disambiguated record
Ralph J. Spohn
Also filed as: SPOHN RALPH J · SPOHN RALPH JOSEPH
6 granted patents·1 pending application·105 citations·filing 1979–2006
84Inventor score
Top patents by PatentIndex Score
7 records- 0184US4499317AModified zeolite catalyst composition and process for alkylating toluene with methanol to form styreneEXXON RESEARCH ENGINEERING CO·Filed 1984·Granted Feb 12, 1985·21 cites·21 claims
- 0280US4255279ADual demetalling of oxo products with catalyst recycleEXXON RESEARCH ENGINEERING CO·Filed 1979·Granted Mar 10, 1981·35 cites·12 claims
- 0377US4483936AModified zeolite catalyst composition for alkylating toluene with methanol to form styreneEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted Nov 20, 1984·24 cites·14 claims
- 0464US4487713AProduction of isocyanates from esters of aromatic carbamic acids (urethanes)EXXON RESEARCH ENGINEERING CO·Filed 1982·Granted Dec 11, 1984·8 cites·10 claims
- 0549US6362286B1Molecular weight reduction of olefin copolymers using low-sulfur oilsEXXON CHEMICAL PATENTS INC·Filed 1999·Granted Mar 26, 2002·13 cites·6 claims
- 0649US4321402ACarbamate processEXXON RESEARCH ENGINEERING CO·Filed 1980·Granted Mar 23, 1982·4 cites·8 claims
- 0737US2008053251A1Solid Waste Screening SystemWINGERTER EUGENE J·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →