Inventor
RYU JI-YONG
23 patents
⚠️ This page may combine multiple inventors who share the name “RYU JI-YONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UOP INC
15 patentsUS4275052AJun 23, 1981
Process for preparing high surface area aluminas
UOP INC29 citations92
US4048109ASep 13, 1977
Oligomerization process and catalysts therefor
UOP INC16 citations82
US4110410AAug 29, 1978
Oligomerization of olefins
UOP INC6 citations73
US4108920AAug 22, 1978
Oligomerization of olefins
UOP INC8 citations73
US4048248ASep 13, 1977
Process and catalyst for the conversion of aromatic hydrocarbons
UOP INC11 citations73
US4048247ASep 13, 1977
Process for the conversion of aromatic hydrocarbons
UOP INC7 citations73
US4048108ASep 13, 1977
Oligomerization process and catalyst therefor
UOP INC5 citations73
US4061689ADec 6, 1977
Process for the conversion of aromatic hydrocarbons
UOP INC12 citations72
US4312785AJan 26, 1982
Process for the conversion of aromatic hydrocarbons
UOP INC4 citations62
US4313021AJan 26, 1982
Process for the conversion of aromatic hydrocarbons
UOP INC2 citations62
US4243827AJan 6, 1981
Process for the conversion of aromatic hydrocarbons
UOP INC2 citations62
US4119676AOct 10, 1978
Process for isomerization of alkylaromatic hydrocarbon
UOP INC3 citations62
US4119675AOct 10, 1978
Process for transalkylation of alkylaromatic hydrocarbons using a catalyst comprising TiF4 and a metal oxide
UOP INC2 citations62
US4123468AOct 31, 1978
Titanium tetrachloride as heterogeneous catalyst for isomerization of alkylaromatic hydrocarbon
UOP INC0 citations52
US4119677AOct 10, 1978
Titanium tetrachloride as heterogeneous catalyst for transalkylation of alkylaromatic hydrocarbons
UOP INC0 citations52
EXXON RESEARCH ENGINEERING CO
6 patentsUS4560790ADec 24, 1985
Process for synthesizing α,β-ethylenically unsaturated products using a multicomponent acidic catalyst composition
EXXON RESEARCH ENGINEERING CO13 citations73
US4444904AApr 24, 1984
Process for synthesizing a multicomponent acidic catalyst composition containing zirconium by an organic solution method
EXXON RESEARCH ENGINEERING CO9 citations73
US4430252AFeb 7, 1984
Process for synthesizing a multicomponent acidic catalyst composition by an organic solution method
EXXON RESEARCH ENGINEERING CO11 citations73
US4739111AApr 19, 1988
Alpha, beta-ethylenically unsaturated acids and derivatives thereof using a multicomponent acidic catalyst composition containing zirconium
EXXON RESEARCH ENGINEERING CO6 citations62
US4415745ANov 15, 1983
Process for the preparation of aromatic carbamates and isocyanates
EXXON RESEARCH ENGINEERING CO4 citations60
US4321402AMar 23, 1982
Carbamate process
EXXON RESEARCH ENGINEERING CO4 citations57