GB2162765B - Multiple flow control device - Google Patents

Multiple flow control device

Info

Publication number: GB2162765B
Authority: GB; United Kingdom
Prior art keywords: control device; flow control; multiple flow; flow; control
Prior art date: 1984-08-07
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

GB8519865A

Other versions

GB2162765A (en

GB8519865D0 (en

Inventor

Aftab Alam

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.)

Individual

Original Assignee

Individual

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.)

1984-08-07

Filing date

1985-08-07

Publication date

1988-05-05

1985-08-07 Application filed by Individual filed Critical Individual

1985-09-11 Publication of GB8519865D0 publication Critical patent/GB8519865D0/en

1986-02-12 Publication of GB2162765A publication Critical patent/GB2162765A/en

1988-05-05 Application granted granted Critical

1988-05-05 Publication of GB2162765B publication Critical patent/GB2162765B/en

Status Expired legal-status Critical Current

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/10—Selective adsorption, e.g. chromatography characterised by constructional or operational features
- B01D15/14—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to the introduction of the feed to the apparatus
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/10—Selective adsorption, e.g. chromatography characterised by constructional or operational features
- B01D15/18—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns
- B01D15/1864—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns using two or more columns
- B01D15/1871—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns using two or more columns placed in series
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/24—Automatic injection systems
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow

Landscapes

Chemical & Material Sciences (AREA)
Analytical Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Automation & Control Theory (AREA)
Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Biochemistry (AREA)
General Health & Medical Sciences (AREA)
Immunology (AREA)
Pathology (AREA)
Treatment Of Liquids With Adsorbents In General (AREA)

GB8519865A 1984-08-07 1985-08-07 Multiple flow control device Expired GB2162765B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB8420103A GB8420103D0 (en)	1984-08-07	1984-08-07	Multiple liquids flow control device

Publications (3)

Publication Number	Publication Date
GB8519865D0 GB8519865D0 (en)	1985-09-11
GB2162765A GB2162765A (en)	1986-02-12
GB2162765B true GB2162765B (en)	1988-05-05

Family

ID=10565032

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GB8420103A Pending GB8420103D0 (en)	1984-08-07	1984-08-07	Multiple liquids flow control device
GB8519865A Expired GB2162765B (en)	1984-08-07	1985-08-07	Multiple flow control device

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
GB8420103A Pending GB8420103D0 (en)	1984-08-07	1984-08-07	Multiple liquids flow control device

Country Status (1)

Country	Link
GB (2)	GB8420103D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2174016A (en) *	1985-04-09	1986-10-29	John David Bagley	Improvements in or relating to high performance liquid chromatography systems
FR2705582B1 (en) *	1993-05-25	1995-06-30	Commissariat Energie Atomique	Automatic column chromatography treatment device and liquid detector usable in such a device.
SE0104412D0 (en) *	2001-12-21	2001-12-21	Trikonex Ab	Flash chromatographic method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3446057A (en) *	1966-10-14	1969-05-27	Varian Associates	Method and apparatus for chromatography
GB1295306A (en) *	1969-04-23	1972-11-08
US3985019A (en) *	1975-11-10	1976-10-12	Boehme Detlef R	Liquid chromatography system with solvent proportioning
US4032445A (en) *	1975-11-10	1977-06-28	Varian Associates	Liquid chromatography pumping system with compensation means for liquid compressibility
EP0094969A1 (en) *	1981-12-07	1983-11-30	Beckman Instruments, Inc.	Method for eluting samples through a chromatographic column

1984
- 1984-08-07 GB GB8420103A patent/GB8420103D0/en active Pending
1985
- 1985-08-07 GB GB8519865A patent/GB2162765B/en not_active Expired

Also Published As

Publication number	Publication date
GB2162765A (en)	1986-02-12
GB8420103D0 (en)	1984-09-12
GB8519865D0 (en)	1985-09-11

Publication	Publication Date	Title
GB2152103B (en)	1987-02-25	Well flow control device
GB8530706D0 (en)	1986-01-22	Control device
GB8603994D0 (en)	1986-03-26	Flow control device
EP0229354A3 (en)	1988-01-13	Flow control device
GB8520340D0 (en)	1985-09-18	Control device
GB8511875D0 (en)	1985-06-19	Control device
GB8507471D0 (en)	1985-05-01	Control device
GB2172963B (en)	1988-10-26	Flow control device
GB2176265B (en)	1988-11-30	Flow control device
GB8717497D0 (en)	1987-08-26	Flow control device
GB8504050D0 (en)	1985-03-20	Control device
GB8601584D0 (en)	1986-02-26	Flow control device
EP0153499A3 (en)	1988-04-20	Control device
EP0266639A3 (en)	1989-05-17	Flow control device
GB2212886B (en)	1991-09-04	Flow control
GB8508769D0 (en)	1985-05-09	Control device
GB8504051D0 (en)	1985-03-20	Control device
GB8420188D0 (en)	1984-09-12	Flow control
GB8627258D0 (en)	1986-12-17	Flow control device
GB2162765B (en)	1988-05-05	Multiple flow control device
GB8500210D0 (en)	1985-02-13	Sequence control device
GB2202611B (en)	1991-05-15	Flow control device
GB8531531D0 (en)	1986-02-05	Control device
GB8610658D0 (en)	1986-06-04	Flow control
JPS57122631A (en)	1982-07-30	Demand control device

Legal Events

Date	Code	Title	Description
1992-04-08	PCNP	Patent ceased through non-payment of renewal fee