DE68917542D1 - Herstellung von geschäumten Polymerstrukturen. - Google Patents
Herstellung von geschäumten Polymerstrukturen.Info
- Publication number
- DE68917542D1 DE68917542D1 DE68917542T DE68917542T DE68917542D1 DE 68917542 D1 DE68917542 D1 DE 68917542D1 DE 68917542 T DE68917542 T DE 68917542T DE 68917542 T DE68917542 T DE 68917542T DE 68917542 D1 DE68917542 D1 DE 68917542D1
- 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
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)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
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 true DE68917542D1 (de) | 1994-09-22 |
DE68917542T2 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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4897432A (en) * | 1988-06-20 | 1990-01-30 | Ethyl Corporation | Production of foamed polymer structures |
US4855331A (en) * | 1988-06-20 | 1989-08-08 | 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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4305796A (en) * | 1980-09-12 | 1981-12-15 | International Harvester Company | Methods of preparing polyimides and artifacts composed thereof |
US4439381A (en) * | 1980-09-12 | 1984-03-27 | I M L Corporation | Methods of preparing polyimides and artifacts composed thereof |
US4897432A (en) * | 1988-06-20 | 1990-01-30 | Ethyl Corporation | Production of foamed polymer structures |
US4855331A (en) * | 1988-06-20 | 1989-08-08 | Ethyl Corporation | Production of foamed polymer structures |
-
1989
- 1989-05-31 AU AU35868/89A patent/AU615301B2/en not_active Expired
- 1989-06-12 EP EP19890110596 patent/EP0348722B1/de not_active Expired - Lifetime
- 1989-06-12 DE DE1989617542 patent/DE68917542T2/de not_active Expired - Fee Related
- 1989-06-19 JP JP15478589A patent/JPH0241333A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE68917542T2 (de) | 1994-12-22 |
AU615301B2 (en) | 1991-09-26 |
AU3586889A (en) | 1989-12-21 |
EP0348722A1 (de) | 1990-01-03 |
JPH0241333A (ja) | 1990-02-09 |
EP0348722B1 (de) | 1994-08-17 |
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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 |