GB1357704A - Aromatic polyimides with chains comprising hydroxymethylene groups and their preparation - Google Patents

Aromatic polyimides with chains comprising hydroxymethylene groups and their preparation

Info

Publication number
GB1357704A
GB1357704A GB2837372A GB2837372A GB1357704A GB 1357704 A GB1357704 A GB 1357704A GB 2837372 A GB2837372 A GB 2837372A GB 2837372 A GB2837372 A GB 2837372A GB 1357704 A GB1357704 A GB 1357704A
Authority
GB
United Kingdom
Prior art keywords
preparation
chains
aromatic polyimides
bis
acid
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
Application number
GB2837372A
Other languages
English (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.)
IFP Energies nouvelles
Original Assignee
IFP Energies nouvelles
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 IFP Energies nouvelles filed Critical IFP Energies nouvelles
Priority to IT6879773A priority Critical patent/IT986476B/it
Publication of GB1357704A publication Critical patent/GB1357704A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB2837372A 1971-06-17 1972-06-16 Aromatic polyimides with chains comprising hydroxymethylene groups and their preparation Expired GB1357704A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT6879773A IT986476B (it) 1972-06-16 1973-06-15 Carburatore

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7122154A FR2141592B2 (cg-RX-API-DMAC7.html) 1971-06-17 1971-06-17

Publications (1)

Publication Number Publication Date
GB1357704A true GB1357704A (en) 1974-06-26

Family

ID=9078863

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2837372A Expired GB1357704A (en) 1971-06-17 1972-06-16 Aromatic polyimides with chains comprising hydroxymethylene groups and their preparation

Country Status (6)

Country Link
BE (1) BE783906A (cg-RX-API-DMAC7.html)
DE (1) DE2228832A1 (cg-RX-API-DMAC7.html)
FR (1) FR2141592B2 (cg-RX-API-DMAC7.html)
GB (1) GB1357704A (cg-RX-API-DMAC7.html)
IT (1) IT998071B (cg-RX-API-DMAC7.html)
NL (1) NL7208302A (cg-RX-API-DMAC7.html)

Also Published As

Publication number Publication date
FR2141592B2 (cg-RX-API-DMAC7.html) 1974-03-22
BE783906A (fr) 1972-11-27
IT998071B (it) 1976-01-20
NL7208302A (cg-RX-API-DMAC7.html) 1972-12-19
DE2228832A1 (de) 1972-12-21
FR2141592A2 (cg-RX-API-DMAC7.html) 1973-01-26

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee