DE68917542T2 - Herstellung von geschäumten Polymerstrukturen. - Google Patents

Herstellung von geschäumten Polymerstrukturen.

Info

Publication number
DE68917542T2
DE68917542T2 DE1989617542 DE68917542T DE68917542T2 DE 68917542 T2 DE68917542 T2 DE 68917542T2 DE 1989617542 DE1989617542 DE 1989617542 DE 68917542 T DE68917542 T DE 68917542T DE 68917542 T2 DE68917542 T2 DE 68917542T2
Authority
DE
Germany
Prior art keywords
production
foamed polymer
polymer structures
structures
foamed
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 - Fee Related
Application number
DE1989617542
Other languages
English (en)
Other versions
DE68917542D1 (de
Inventor
Henry Eugene Broemmelsiek
Raymond Lee
Lanier Carroll Wendell
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.)
Imi Tech Corp
Original Assignee
Ethyl 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
Priority claimed from US07/251,797 external-priority patent/US4877563A/en
Priority claimed from US07/255,264 external-priority patent/US4900762A/en
Application filed by Ethyl Corp filed Critical Ethyl Corp
Publication of DE68917542D1 publication Critical patent/DE68917542D1/de
Application granted granted Critical
Publication of DE68917542T2 publication Critical patent/DE68917542T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
    • B01J19/122—Incoherent waves
    • B01J19/126—Microwaves
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
    • C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C08J2379/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
DE1989617542 1988-06-20 1989-06-12 Herstellung von geschäumten Polymerstrukturen. Expired - Fee Related DE68917542T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US20901988A 1988-06-20 1988-06-20
US07/251,797 US4877563A (en) 1988-06-20 1988-10-03 Production of foamed polymer structures
US07/255,264 US4900762A (en) 1988-06-20 1988-10-11 Production of foamed polymer structures

Publications (2)

Publication Number Publication Date
DE68917542D1 DE68917542D1 (de) 1994-09-22
DE68917542T2 true DE68917542T2 (de) 1994-12-22

Family

ID=27395310

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1989617542 Expired - Fee Related DE68917542T2 (de) 1988-06-20 1989-06-12 Herstellung von geschäumten Polymerstrukturen.

Country Status (4)

Country Link
EP (1) EP0348722B1 (de)
JP (1) JPH0241333A (de)
AU (1) AU615301B2 (de)
DE (1) DE68917542T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4855331A (en) * 1988-06-20 1989-08-08 Ethyl Corporation Production of foamed polymer structures
US4897432A (en) * 1988-06-20 1990-01-30 Ethyl Corporation Production of foamed polymer structures
JPH08329745A (ja) * 1995-06-06 1996-12-13 Furukawa Electric Co Ltd:The 光ファイバー複合架空線

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4439381A (en) * 1980-09-12 1984-03-27 I M L Corporation Methods of preparing polyimides and artifacts composed thereof
US4305796A (en) * 1980-09-12 1981-12-15 International Harvester Company Methods of preparing polyimides and artifacts composed thereof
US4855331A (en) * 1988-06-20 1989-08-08 Ethyl Corporation Production of foamed polymer structures
US4897432A (en) * 1988-06-20 1990-01-30 Ethyl Corporation Production of foamed polymer structures

Also Published As

Publication number Publication date
DE68917542D1 (de) 1994-09-22
AU3586889A (en) 1989-12-21
AU615301B2 (en) 1991-09-26
EP0348722A1 (de) 1990-01-03
EP0348722B1 (de) 1994-08-17
JPH0241333A (ja) 1990-02-09

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: ALBEMARLE CORP., RICHMOND, VA., US

8328 Change in the person/name/address of the agent

Free format text: BROSE, D., DIPL.-ING.DIPL.-WIRTSCH.-ING., 82319 STARNBERG BECK, A., DIPL.-ING.UNIV., PAT.-ANWAELTE, 82049 PULLACH

8327 Change in the person/name/address of the patent owner

Owner name: IMI-TECH CORP., ELK GROVE VILLAGE, ILL., US

8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: IMI-TECH CORP., PLANO, TEX., US

8339 Ceased/non-payment of the annual fee