GB2322856B - Solvent purification - Google Patents

Solvent purification

Info

Publication number
GB2322856B
GB2322856B GB9704816A GB9704816A GB2322856B GB 2322856 B GB2322856 B GB 2322856B GB 9704816 A GB9704816 A GB 9704816A GB 9704816 A GB9704816 A GB 9704816A GB 2322856 B GB2322856 B GB 2322856B
Authority
GB
United Kingdom
Prior art keywords
solvent purification
purification
solvent
Prior art date
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 - Fee Related
Application number
GB9704816A
Other versions
GB9704816D0 (en
GB2322856A (en
Inventor
Gerard Kenny
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.)
G K ANALYTICAL SCIENCES LIMITE
Original Assignee
G K ANALYTICAL SCIENCES LIMITE
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.)
Filing date
Publication date
Priority to IES970142 priority Critical patent/IES73196B2/en
Application filed by G K ANALYTICAL SCIENCES LIMITE filed Critical G K ANALYTICAL SCIENCES LIMITE
Priority to GB9704816A priority patent/GB2322856B/en
Publication of GB9704816D0 publication Critical patent/GB9704816D0/en
Publication of GB2322856A publication Critical patent/GB2322856A/en
Application granted granted Critical
Publication of GB2322856B publication Critical patent/GB2322856B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00—Preparation of carboxylic acid nitriles
    • C07C253/32—Separation; Purification; Stabilisation; Use of additives
    • C07C253/34—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB9704816A 1997-03-03 1997-03-07 Solvent purification Expired - Fee Related GB2322856B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IES970142 IES73196B2 (en) 1997-03-03 1997-03-03 Solvent purification
GB9704816A GB2322856B (en) 1997-03-03 1997-03-07 Solvent purification

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IES970142 IES73196B2 (en) 1997-03-03 1997-03-03 Solvent purification
GB9704816A GB2322856B (en) 1997-03-03 1997-03-07 Solvent purification

Publications (3)

Publication Number Publication Date
GB9704816D0 GB9704816D0 (en) 1997-04-23
GB2322856A GB2322856A (en) 1998-09-09
GB2322856B true GB2322856B (en) 2000-05-10

Family

ID=26311143

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9704816A Expired - Fee Related GB2322856B (en) 1997-03-03 1997-03-07 Solvent purification

Country Status (2)

Country Link
GB (1) GB2322856B (en)
IE (1) IES73196B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2435040B (en) * 2006-02-08 2009-10-07 G K Analytical Sciences Ltd Acetonitrile purification by the addition of phosphorus pentoxide, then water, and subsequent distillation
CN107935887B (en) * 2017-12-21 2020-12-08 上海应用技术大学 Preparation method of gradient acetonitrile

Also Published As

Publication number Publication date
GB9704816D0 (en) 1997-04-23
IES73196B2 (en) 1997-05-07
GB2322856A (en) 1998-09-09

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Legal Events

Date Code Title Description
711B Application made for correction of error (sect. 117/77)
711L Appl. made for correction of error (sect. 117/77) now open to opposition
711G Correction allowed (sect. 117/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20120307