IT946211B - Procedimento per la rimozione di inibitori piperidin 1 ossilici da acrilonitrile - Google Patents

Procedimento per la rimozione di inibitori piperidin 1 ossilici da acrilonitrile

Info

Publication number
IT946211B
IT946211B IT29479/71A IT2947971A IT946211B IT 946211 B IT946211 B IT 946211B IT 29479/71 A IT29479/71 A IT 29479/71A IT 2947971 A IT2947971 A IT 2947971A IT 946211 B IT946211 B IT 946211B
Authority
IT
Italy
Prior art keywords
oxylic
piperidin
acrylonitrile
inhibitors
removal
Prior art date
Application number
IT29479/71A
Other languages
English (en)
Original Assignee
Bp Chem Int Ltd
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
Application filed by Bp Chem Int Ltd filed Critical Bp Chem Int Ltd
Application granted granted Critical
Publication of IT946211B publication Critical patent/IT946211B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
    • 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)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Hydrogenated Pyridines (AREA)
IT29479/71A 1970-10-05 1971-10-04 Procedimento per la rimozione di inibitori piperidin 1 ossilici da acrilonitrile IT946211B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4716970 1970-10-05

Publications (1)

Publication Number Publication Date
IT946211B true IT946211B (it) 1973-05-21

Family

ID=10443991

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29479/71A IT946211B (it) 1970-10-05 1971-10-04 Procedimento per la rimozione di inibitori piperidin 1 ossilici da acrilonitrile

Country Status (7)

Country Link
US (1) US3747988A (it)
BE (1) BE773489A (it)
DE (2) DE2149670A1 (it)
FR (1) FR2110966A5 (it)
GB (1) GB1346774A (it)
IT (1) IT946211B (it)
NL (2) NL7113588A (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0178168B1 (en) * 1984-10-10 1990-01-17 Amoco Corporation Process for purification of methacrylic acid
US4670131A (en) * 1986-01-13 1987-06-02 Exxon Chemical Patents Inc. Method for controlling fouling of hydrocarbon compositions containing olefinic compounds
DE3641014A1 (de) * 1986-12-19 1988-06-16 Wolfen Filmfab Veb Fotopolymerisierbares material
US5254760A (en) * 1992-07-29 1993-10-19 Ciba-Geigy Corporation Inhibiting polymerization of vinyl aromatic monomers
US5728872A (en) * 1994-06-27 1998-03-17 Lutz Riemenschneider Stabilized acrylic acid compositions
US5932735A (en) * 1997-06-13 1999-08-03 Ciba Specialty Chemicals Corporation Derivatives of 1-oxyl-4-hydroxy-2,2,6,6-tetramethylpiperidine as polymerization inhibitors for (meth)acrylate monomers
US6024894A (en) * 1998-03-25 2000-02-15 Betzdearborn Inc. Compositions and methods for inhibiting vinyl aromatic monomer polymerization
US5907071A (en) * 1998-04-21 1999-05-25 Betzdearborn Inc. Compositions and methods for inhibiting vinyl aromatic monomer polymerization
EP1095006B1 (en) 1998-07-14 2008-12-24 Ciba Holding Inc. Derivatives of 1-oxyl-4-hydroxy-2,2,6,6-tetramethylpiperidine as polymerization inhibitors for (meth) acrylate monomers
AR029410A1 (es) 1999-12-02 2003-06-25 Crompton Corp Metodo para inhibir la polimerizacion prematura de monomeros etilenicamente insaturados y composiciones de los mismos
US6639026B2 (en) 2001-05-22 2003-10-28 Ge Betz, Inc. Methods and compositions for inhibiting polymerization of vinyl monomers
US6579442B2 (en) 2001-05-22 2003-06-17 Ge Betz, Inc. Methods and compositions for inhibiting polymerization of vinyl monomers
DE102006010347A1 (de) * 2006-03-03 2007-09-06 Degussa Gmbh Polymerisationsinhibitor zur Stabilisierung von olefinisch ungesättigten Monomeren
US20100143580A1 (en) * 2008-05-28 2010-06-10 American Air Liquide, Inc. Stabilization of Bicycloheptadiene

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2758131A (en) * 1954-03-26 1956-08-07 Monsanto Chemicals Stabilization of unsaturated nitriles
GB1050790A (it) * 1963-05-30
US3418300A (en) * 1964-01-16 1968-12-24 American Cyanamid Co Inhibition of polymerization

Also Published As

Publication number Publication date
DE2149670A1 (de) 1972-04-06
DE2149652A1 (de) 1972-04-06
NL7113588A (it) 1972-04-07
BE773489A (fr) 1972-04-05
US3747988A (en) 1973-07-24
NL7113587A (it) 1972-04-07
GB1346774A (en) 1974-02-13
FR2110966A5 (it) 1972-06-02

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