US3844902A
(en)
*
|
1973-04-02 |
1974-10-29 |
A Vickers |
Combination of extractive distillation and liquid extraction process for separation of a hydrocarbon feed mixture
|
US4053369A
(en)
*
|
1974-05-30 |
1977-10-11 |
Phillips Petroleum Company |
Extractive distillation
|
US4260476A
(en)
*
|
1980-01-31 |
1981-04-07 |
Union Carbide Corporation |
Separation of aromatic hydrocarbons from petroleum fractions
|
US4280881A
(en)
*
|
1980-07-02 |
1981-07-28 |
Gulf Research & Development Company |
Separating indene from unsaturated alkylaromatics
|
US4955468A
(en)
*
|
1989-09-08 |
1990-09-11 |
Phillips Petroleum Company |
Separation of hydrocarbon mixtures
|
US5188709A
(en)
*
|
1990-03-30 |
1993-02-23 |
Phillips Petroleum Company |
Crude oil processing apparatus for heavy oil extraction
|
US5069757A
(en)
*
|
1990-07-02 |
1991-12-03 |
Phillips Petroleum Company |
Separation of aromatics from alkanes
|
DE4109632A1
(de)
*
|
1991-03-23 |
1992-09-24 |
Krupp Koppers Gmbh |
Verfahren zur abtrennung von aromaten durch extraktivdestillation
|
US5145562A
(en)
*
|
1991-07-01 |
1992-09-08 |
Phillips Petroleum Company |
Extractive distillation of mixtures containing aromatic and olefinic hydrocarbons
|
US5135617A
(en)
*
|
1991-07-01 |
1992-08-04 |
Phillips Petroleum Company |
Separation of aromatic from olefinic hydrocarbons by extractive distillation
|
US5151161A
(en)
*
|
1991-07-17 |
1992-09-29 |
Phillips Petroleum Company |
Separation of olefinic hydrocarbons by extractive distillation
|
US5154802A
(en)
*
|
1991-07-17 |
1992-10-13 |
Phillips Petroleum Company |
Separation of unsaturated hydrocarbons by extractive distillation
|
MX9401253A
(es)
*
|
1993-02-17 |
1994-08-31 |
Exxon Chemical Patents Inc |
Produccion de una corriente de benceno concentradomediante separacion por extraccion.
|
US5399244A
(en)
*
|
1993-12-06 |
1995-03-21 |
Glitsch, Inc. |
Process to recover benzene from mixed hydrocarbons by extractive distillation
|
US6616831B1
(en)
|
1997-09-03 |
2003-09-09 |
Gtc Technology Inc. |
Aromatics separation process and method of retrofitting existing equipment for same
|
US6565742B1
(en)
|
1997-09-03 |
2003-05-20 |
Gtc Technology Inc. |
Aromatics separation process and method of retrofitting existing equipment for same
|
US5895981A
(en)
*
|
1998-02-10 |
1999-04-20 |
Reliance Time Control, Inc. |
Generator transfer panel with a terminal arrangement for establishing a direct connection to a remote power inlet
|
US6555726B1
(en)
|
1999-11-10 |
2003-04-29 |
Gaylord Chemical Corporation |
Methods for enhanced extractive distillation employing extractive distillation compositions comprising sulfolane and compatibility agent
|
US6660899B2
(en)
|
2001-02-14 |
2003-12-09 |
Gaylord Chemical Corporation |
Methods for enhanced aromatic extraction employing sulfone-sulfoxide compositions
|
CN101081993B
(zh)
*
|
2006-05-31 |
2010-04-14 |
中国石油化工股份有限公司 |
一种从高芳烃含量的烃类混合物中回收芳烃的方法
|
US8524046B2
(en)
|
2010-03-30 |
2013-09-03 |
Uop Llc |
Distillation column pressure control
|
CN103520945B
(zh)
*
|
2012-07-04 |
2016-05-25 |
天津大学 |
粗苯加氢产物的精制装置及方法
|
JP6138938B2
(ja)
|
2012-08-09 |
2017-05-31 |
カウンシル オブ サイエンティフィック アンド インダストリアル リサーチ |
有機ペルオキシドを含有する未処理の分解ガソリン留分から高純度ベンゼンを回収することにより低ベンゼンガソリンを製造する処理工程
|
US9520617B2
(en)
*
|
2013-03-14 |
2016-12-13 |
Advanced Technology Materials, Inc. |
Sulfolane mixtures as ambient aprotic polar solvents
|
US10093873B2
(en)
|
2016-09-06 |
2018-10-09 |
Saudi Arabian Oil Company |
Process to recover gasoline and diesel from aromatic complex bottoms
|
US11066344B2
(en)
|
2017-02-16 |
2021-07-20 |
Saudi Arabian Oil Company |
Methods and systems of upgrading heavy aromatics stream to petrochemical feedstock
|
KR20230031341A
(ko)
|
2020-07-31 |
2023-03-07 |
엑손모빌 케미칼 패턴츠 인코포레이티드 |
멤브레인 분리기를 이용한 탄화수소 추출 및/또는 분리 방법
|
US11613714B2
(en)
|
2021-01-13 |
2023-03-28 |
Saudi Arabian Oil Company |
Conversion of aromatic complex bottoms to useful products in an integrated refinery process
|
WO2022186974A1
(en)
|
2021-03-05 |
2022-09-09 |
Exxonmobil Chemical Patents Inc. |
Hydrocarbon extraction processes utilizing a cleansing bed
|
US11591526B1
(en)
|
2022-01-31 |
2023-02-28 |
Saudi Arabian Oil Company |
Methods of operating fluid catalytic cracking processes to increase coke production
|