PT78706A - Processo aperfeicoado para a preparacao de acidos de poliamida e de poliimidas - Google Patents

Processo aperfeicoado para a preparacao de acidos de poliamida e de poliimidas

Info

Publication number
PT78706A
PT78706A PT7870684A PT7870684A PT78706A PT 78706 A PT78706 A PT 78706A PT 7870684 A PT7870684 A PT 7870684A PT 7870684 A PT7870684 A PT 7870684A PT 78706 A PT78706 A PT 78706A
Authority
PT
Portugal
Prior art keywords
contg
polyimide
aromatic
anhydride
formula
Prior art date
Application number
PT7870684A
Other languages
English (en)
Other versions
PT78706B (en
Original Assignee
M & T Chemicals Inc
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 M & T Chemicals Inc filed Critical M & T Chemicals Inc
Priority to PT7870684A priority Critical patent/PT78706B/pt
Publication of PT78706A publication Critical patent/PT78706A/pt
Publication of PT78706B publication Critical patent/PT78706B/pt

Links

Classifications

    • Y02E40/64—

Landscapes

  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
PT7870684A 1984-06-07 1984-06-07 Improved process for preparing polyamide-acids and polyimides PT78706B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PT7870684A PT78706B (en) 1984-06-07 1984-06-07 Improved process for preparing polyamide-acids and polyimides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PT7870684A PT78706B (en) 1984-06-07 1984-06-07 Improved process for preparing polyamide-acids and polyimides

Publications (2)

Publication Number Publication Date
PT78706A true PT78706A (pt) 1985-01-01
PT78706B PT78706B (en) 1986-07-15

Family

ID=20083501

Family Applications (1)

Application Number Title Priority Date Filing Date
PT7870684A PT78706B (en) 1984-06-07 1984-06-07 Improved process for preparing polyamide-acids and polyimides

Country Status (1)

Country Link
PT (1) PT78706B (pt)

Also Published As

Publication number Publication date
PT78706B (en) 1986-07-15

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