BR8901747A - Processo para producao de copolimero de acetal - Google Patents

Processo para producao de copolimero de acetal

Info

Publication number
BR8901747A
BR8901747A BR898901747A BR8901747A BR8901747A BR 8901747 A BR8901747 A BR 8901747A BR 898901747 A BR898901747 A BR 898901747A BR 8901747 A BR8901747 A BR 8901747A BR 8901747 A BR8901747 A BR 8901747A
Authority
BR
Brazil
Prior art keywords
production
acetal copolymer
acetal
copolymer
Prior art date
Application number
BR898901747A
Other languages
English (en)
Inventor
Nan-Loh Yang
Andrew Auerbach
James L Paul
Rose Pesce
Shian S Wang
Original Assignee
Hoechst Celanese Corp
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 Hoechst Celanese Corp filed Critical Hoechst Celanese Corp
Publication of BR8901747A publication Critical patent/BR8901747A/pt

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004—Photosensitive materials
    • G03F7/039—Macromolecular compounds which are photodegradable, e.g. positive electron resists
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D321/00—Heterocyclic compounds containing rings having two oxygen atoms as the only ring hetero atoms, not provided for by groups C07D317/00 - C07D319/00
    • C07D321/02—Seven-membered rings
    • C07D321/04—Seven-membered rings not condensed with other rings
    • C07D321/06—1,3-Dioxepines; Hydrogenated 1,3-dioxepines
    • 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
    • C08G4/00—Condensation polymers of aldehydes or ketones with polyalcohols; Addition polymers of heterocyclic oxygen compounds containing in the ring at least once the grouping —O—C—O—
BR898901747A 1988-04-13 1989-04-12 Processo para producao de copolimero de acetal BR8901747A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/181,237 US4906728A (en) 1988-04-13 1988-04-13 Acetal copolymers with backbone bromo functional groups

Publications (1)

Publication Number Publication Date
BR8901747A true BR8901747A (pt) 1989-11-28

Family

ID=22663444

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898901747A BR8901747A (pt) 1988-04-13 1989-04-12 Processo para producao de copolimero de acetal

Country Status (6)

Country Link
US (1) US4906728A (pt)
EP (1) EP0337754A3 (pt)
JP (1) JPH0211629A (pt)
KR (1) KR890016037A (pt)
CN (1) CN1039600A (pt)
BR (1) BR8901747A (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5206308A (en) * 1989-05-12 1993-04-27 Hoechst Celanese Corporation Grafting of amine functional polymers onto functionalized oxymethylene polymers and the resulting graft polymers thereof
JPH0761337A (ja) * 1993-08-26 1995-03-07 Aisin Seiki Co Ltd 車輪ブレーキのリトラクト機構付きブレーキ装置
US20020037472A1 (en) * 2000-09-08 2002-03-28 Shipley Company, L.L.C. Novel polymers and photoresist compositions comprising labile polymer backbones for short wave imaging

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA720516A (en) * 1965-10-26 Farbwerke Hoechst Aktiengesellschaft Vormals Meister Lucius And Bruning Trioxane-1,3-dioxepane copolymers
US3337587A (en) * 1960-03-21 1967-08-22 Union Carbide Corp 2-hydrocarbon-5, 6-epoxy-1, 3-dioxepanes
NL271273A (pt) * 1960-11-15
BE631682A (pt) * 1962-04-28
DE2062958A1 (de) * 1970-01-23 1971-07-29 Perstorp Ab Verfahren zur Herstellung von stabilen Trioxan Copolymeren
BE787798A (fr) * 1971-08-19 1973-02-21 Hoechst Ag Procede de preparation d'homopolymeres et de copolymeres d'acetals cycliques
US4399272A (en) * 1979-11-15 1983-08-16 Asahi Kasei Kogyo Kabushiki Kaisha Process for producing polyacetal copolymers
US4751272A (en) * 1986-05-01 1988-06-14 Toray Industries, Inc. Process for producing oxymethylene copolymer and resinous composition

Also Published As

Publication number Publication date
KR890016037A (ko) 1989-11-28
CN1039600A (zh) 1990-02-14
US4906728A (en) 1990-03-06
JPH0211629A (ja) 1990-01-16
EP0337754A3 (en) 1990-03-14
EP0337754A2 (en) 1989-10-18

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Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FA2 Application deemed withdrawn (art. 19(5))