GB9704816D0 - Solvent purification - Google Patents

Solvent purification

Info

Publication number
GB9704816D0
GB9704816D0 GBGB9704816.9A GB9704816A GB9704816D0 GB 9704816 D0 GB9704816 D0 GB 9704816D0 GB 9704816 A GB9704816 A GB 9704816A GB 9704816 D0 GB9704816 D0 GB 9704816D0
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.)
Granted
Application number
GBGB9704816.9A
Other versions
GB2322856B (en
GB2322856A (en
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 true GB9704816D0 (en) 1997-04-23
GB2322856A GB2322856A (en) 1998-09-09
GB2322856B 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
GB2322856B (en) 2000-05-10
GB2322856A (en) 1998-09-09
IES73196B2 (en) 1997-05-07

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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