Inventor · disambiguated record
Ji-Yong Ryu
Also filed as: RYU JI-YONG
23 granted patents·201 citations·filing 1975–2004
96Inventor score
Top patents by PatentIndex Score
23 records- 0187US4048109AOligomerization process and catalysts thereforUOP INC·Filed 1975·Granted Sep 13, 1977·16 cites·10 claims
- 0284US4275052AProcess for preparing high surface area aluminasUOP INC·Filed 1980·Granted Jun 23, 1981·29 cites·11 claims
- 0383US4048248AProcess and catalyst for the conversion of aromatic hydrocarbonsUOP INC·Filed 1975·Granted Sep 13, 1977·11 cites·12 claims
- 0482US6942784B2Structurally enhanced cracking catalystsENGELHARD CORP·Filed 2004·Granted Sep 13, 2005·26 cites·54 claims
- 0582US5177290AIsoprene processEXXON CHEMICAL PATENTS INC·Filed 1991·Granted Jan 5, 1993·21 cites·32 claims
- 0678US4061689AProcess for the conversion of aromatic hydrocarbonsUOP INC·Filed 1975·Granted Dec 6, 1977·12 cites·12 claims
- 0777US4560790AProcess for synthesizing α,β-ethylenically unsaturated products using a multicomponent acidic catalyst compositionEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted Dec 24, 1985·13 cites·25 claims
- 0874US4430252AProcess for synthesizing a multicomponent acidic catalyst composition by an organic solution methodEXXON RESEARCH ENGINEERING CO·Filed 1982·Granted Feb 7, 1984·11 cites·27 claims
- 0974US4108920AOligomerization of olefinsUOP INC·Filed 1977·Granted Aug 22, 1978·8 cites·11 claims
- 1069US4110410AOligomerization of olefinsUOP INC·Filed 1977·Granted Aug 29, 1978·6 cites·10 claims
- 1159US4739111AAlpha, beta-ethylenically unsaturated acids and derivatives thereof using a multicomponent acidic catalyst composition containing zirconiumEXXON RESEARCH ENGINEERING CO·Filed 1985·Granted Apr 19, 1988·6 cites·7 claims
- 1258US4119676AProcess for isomerization of alkylaromatic hydrocarbonUOP INC·Filed 1977·Granted Oct 10, 1978·3 cites·8 claims
- 1352US4119675AProcess for transalkylation of alkylaromatic hydrocarbons using a catalyst comprising TiF4 and a metal oxideUOP INC·Filed 1977·Granted Oct 10, 1978·2 cites·8 claims
- 1451US4415745AProcess for the preparation of aromatic carbamates and isocyanatesEXXON RESEARCH ENGINEERING CO·Filed 1982·Granted Nov 15, 1983·4 cites·8 claims
- 1550US4444904AProcess for synthesizing a multicomponent acidic catalyst composition containing zirconium by an organic solution methodEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted Apr 24, 1984·9 cites·26 claims
- 1649US4321402ACarbamate processEXXON RESEARCH ENGINEERING CO·Filed 1980·Granted Mar 23, 1982·4 cites·8 claims
- 1748US4048247AProcess for the conversion of aromatic hydrocarbonsUOP INC·Filed 1975·Granted Sep 13, 1977·7 cites·6 claims
- 1845US4313021AProcess for the conversion of aromatic hydrocarbonsUOP INC·Filed 1980·Granted Jan 26, 1982·2 cites·13 claims
- 1944US4048108AOligomerization process and catalyst thereforUOP INC·Filed 1975·Granted Sep 13, 1977·5 cites·8 claims
- 2042US4312785AProcess for the conversion of aromatic hydrocarbonsUOP INC·Filed 1980·Granted Jan 26, 1982·4 cites·6 claims
- 2136US4243827AProcess for the conversion of aromatic hydrocarbonsUOP INC·Filed 1979·Granted Jan 6, 1981·2 cites·16 claims
- 2235US4119677ATitanium tetrachloride as heterogeneous catalyst for transalkylation of alkylaromatic hydrocarbonsUOP INC·Filed 1977·Granted Oct 10, 1978·0 cites·6 claims
- 2330US4123468ATitanium tetrachloride as heterogeneous catalyst for isomerization of alkylaromatic hydrocarbonUOP INC·Filed 1977·Granted Oct 31, 1978·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →