FR1417452A - Poly-iminolactones, their preparation and use - Google Patents

Poly-iminolactones, their preparation and use

Info

Publication number
FR1417452A
FR1417452A FR995852A FR995852A FR1417452A FR 1417452 A FR1417452 A FR 1417452A FR 995852 A FR995852 A FR 995852A FR 995852 A FR995852 A FR 995852A FR 1417452 A FR1417452 A FR 1417452A
Authority
FR
France
Prior art keywords
iminolactones
poly
preparation
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
FR995852A
Other languages
French (fr)
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 claimed from US325479A external-priority patent/US3282898A/en
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of FR1417452A publication Critical patent/FR1417452A/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
    • C08G73/1003—Preparatory processes
FR995852A 1963-11-21 1964-11-21 Poly-iminolactones, their preparation and use Expired FR1417452A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US325479A US3282898A (en) 1963-11-21 1963-11-21 Treatment of aromatic polyamide-acids with carbodiimides
US325441A US3271366A (en) 1963-11-21 1963-11-21 Preparation of aromatic polyiminolactones

Publications (1)

Publication Number Publication Date
FR1417452A true FR1417452A (en) 1965-11-12

Family

ID=8843055

Family Applications (1)

Application Number Title Priority Date Filing Date
FR995852A Expired FR1417452A (en) 1963-11-21 1964-11-21 Poly-iminolactones, their preparation and use

Country Status (1)

Country Link
FR (1) FR1417452A (en)

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