GB2163741B - Recovery of sulfolane - Google Patents

Recovery of sulfolane

Info

Publication number: GB2163741B
Authority: GB; United Kingdom
Prior art keywords: sulfolane; recovery
Prior art date: 1984-08-31
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

GB08510896A

Other versions

GB2163741A (en

GB8510896D0 (en

Inventor

Glen Francis Crum

Stephen Craig Mchaney

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

El Paso Products Co

Original Assignee

El Paso Products Co

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1984-08-31

Filing date

1985-04-30

Publication date

1987-12-02

1985-04-30 Application filed by El Paso Products Co filed Critical El Paso Products Co

1985-06-05 Publication of GB8510896D0 publication Critical patent/GB8510896D0/en

1986-03-05 Publication of GB2163741A publication Critical patent/GB2163741A/en

1987-12-02 Application granted granted Critical

1987-12-02 Publication of GB2163741B publication Critical patent/GB2163741B/en

Status Expired legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/46—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings substituted on the ring sulfur atom
- C07D333/48—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings substituted on the ring sulfur atom by oxygen atoms

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

GB08510896A 1984-08-31 1985-04-30 Recovery of sulfolane Expired GB2163741B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US64626884A	1984-08-31	1984-08-31

Publications (3)

Publication Number	Publication Date
GB8510896D0 GB8510896D0 (en)	1985-06-05
GB2163741A GB2163741A (en)	1986-03-05
GB2163741B true GB2163741B (en)	1987-12-02

Family

ID=24592408

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08510896A Expired GB2163741B (en)	1984-08-31	1985-04-30	Recovery of sulfolane

Country Status (6)

Country	Link
JP (1)	JPS6160624A (en)
CA (1)	CA1236469A (en)
DE (1)	DE3530753A1 (en)
FR (1)	FR2569695A1 (en)
GB (1)	GB2163741B (en)
IT (1)	IT1186729B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6429330U (en) *	1987-08-13	1989-02-21
US4820849A (en) *	1987-12-30	1989-04-11	Shell Oil Company	Process for reducing corrosive impurities in sulfolane used for extracting aromatic hydrocarbons
US4861447A (en) *	1988-05-27	1989-08-29	Shell Oil Company	Process for reducing corrosive impurities in sulfolane used for extracting aromatic hydrocarbons
EP0412214B1 (en) *	1989-08-07	1994-04-13	Indian Petrochemicals Corporation Limited	Purifying sulfolane
US5053137A (en) *	1989-08-21	1991-10-01	Indian Petrochemicals Corporation Limited	Process for the purification or regeneration of contaminated or spent process sulfolane
DE4423959C2 (en)	1993-07-08	2001-07-12	Canon Kk	Image recording or reading device
US8524046B2 (en)	2010-03-30	2013-09-03	Uop Llc	Distillation column pressure control

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1054534A (en) *
GB1051089A (en) *
FR1345883A (en) *	1962-12-27	1963-12-13	Shell Int Research	Purification process for sulfolane and its homologues
US3352765A (en) *	1964-12-21	1967-11-14	Phillips Petroleum Co	Extractive distillation of sulfolane with an isoparaffing hydrocarbon entrainer
US3396090A (en) *	1966-06-29	1968-08-06	Universal Oil Prod Co	Recovery of sulfolane by distillation with pre-vaporization
GB1134582A (en) *	1967-04-06	1968-11-27	Shell Int Research	A process for the removal of corrosive contaminants from sulfolane-type solvents

1985
- 1985-04-30 GB GB08510896A patent/GB2163741B/en not_active Expired
- 1985-05-06 CA CA000480809A patent/CA1236469A/en not_active Expired
- 1985-05-23 FR FR8507766A patent/FR2569695A1/en active Pending
- 1985-06-05 IT IT21032/85A patent/IT1186729B/en active
- 1985-06-13 JP JP60127273A patent/JPS6160624A/en active Pending
- 1985-08-28 DE DE19853530753 patent/DE3530753A1/en not_active Withdrawn

Also Published As

Publication number	Publication date
CA1236469A (en)	1988-05-10
IT8521032A0 (en)	1985-06-05
IT1186729B (en)	1987-12-16
DE3530753A1 (en)	1986-03-13
FR2569695A1 (en)	1986-03-07
JPS6160624A (en)	1986-03-28
GB2163741A (en)	1986-03-05
GB8510896D0 (en)	1985-06-05

Publication	Publication Date	Title
AU576351B2 (en)	1988-08-25	Recovery of c3 hydrocarbons
DE3562828D1 (en)	1988-06-23	World clock
GB8506930D0 (en)	1985-04-24	Recovery of constituent materials
GB2168076B (en)	1989-05-24	Metal recovery
GB2163741B (en)	1987-12-02	Recovery of sulfolane
DE3478025D1 (en)	1989-06-08	Recovery of arylboranes
DE3570654D1 (en)	1989-07-06	Recovery of alpha-amino acid
DE3574013D1 (en)	1989-12-07	Recovery of squaric acid
GB8518185D0 (en)	1985-08-21	Heat recovery
GB2156406B (en)	1987-12-09	Crude oil recovery
GB2170837B (en)	1988-05-11	Enhanced recovery junk-subs
ZW5985A1 (en)	1985-06-26	Metal recovery
GB8516187D0 (en)	1985-07-31	Increasing recovery of oil
GB8416019D0 (en)	1984-07-25	Structural joint
GB2160243B (en)	1987-09-09	Crude oil recovery
GB2158126B (en)	1987-12-09	Crude oil recovery
GB8502141D0 (en)	1985-02-27	Erector
GB2160242B (en)	1987-09-09	Crude oil recovery
GB2156328B (en)	1987-05-20	Recovery of metals
GB8514033D0 (en)	1985-07-10	Metal recovery
GB8507242D0 (en)	1985-04-24	Crude oil recovery
AU576377B2 (en)	1988-08-25	Recovery of alcohols
MW2485A1 (en)	1986-09-10	Recovery of alcohols
ZW13685A1 (en)	1985-12-04	Recovery of alcohols
ZA856081B (en)	1986-04-30	Recovery of alcohols

Legal Events

Date	Code	Title	Description
1988-09-14	732	Registration of transactions, instruments or events in the register (sect. 32/1977)
1992-01-02	PCNP	Patent ceased through non-payment of renewal fee