BE798926A - PROCESS FOR PREPARING POLYURETHANE FOAMS - Google Patents
PROCESS FOR PREPARING POLYURETHANE FOAMSInfo
- Publication number
- BE798926A BE798926A BE130593A BE130593A BE798926A BE 798926 A BE798926 A BE 798926A BE 130593 A BE130593 A BE 130593A BE 130593 A BE130593 A BE 130593A BE 798926 A BE798926 A BE 798926A
- Authority
- BE
- Belgium
- Prior art keywords
- polyurethane foams
- preparing polyurethane
- preparing
- foams
- polyurethane
- Prior art date
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
- C08J9/0095—Mixtures of at least two compounding ingredients belonging to different one-dot groups
-
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
- C08G65/2642—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds characterised by the catalyst used
- C08G65/2669—Non-metals or compounds thereof
- C08G65/2672—Nitrogen or compounds thereof
-
- 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
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/08—Polyurethanes from polyethers
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Polyurethanes Or Polyureas (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2035772 | 1972-05-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE798926A true BE798926A (en) | 1973-10-30 |
Family
ID=10144610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE130593A BE798926A (en) | 1972-05-02 | 1973-04-30 | PROCESS FOR PREPARING POLYURETHANE FOAMS |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS56446B2 (en) |
| AT (1) | AT331034B (en) |
| AU (1) | AU469254B2 (en) |
| BE (1) | BE798926A (en) |
| BR (1) | BR7303135D0 (en) |
| CH (1) | CH592122A5 (en) |
| DE (1) | DE2321884A1 (en) |
| ES (1) | ES414240A1 (en) |
| FR (1) | FR2183072A1 (en) |
| IT (1) | IT988642B (en) |
| NL (1) | NL7306021A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2815540A1 (en) * | 1978-04-11 | 1979-10-25 | Basf Ag | FLEXIBLE POLYURETHANE FOAM WITH HIGH WEARING AND SHOCK ABSORPTION CAPABILITY |
| CA1189249A (en) * | 1981-07-09 | 1985-06-18 | Bernhard Liessem | Foam manufacture |
| GB2529079B (en) | 2011-04-15 | 2016-06-22 | Fisher & Paykel Healthcare Ltd | An elbow assembly for a mask |
| US10603456B2 (en) | 2011-04-15 | 2020-03-31 | Fisher & Paykel Healthcare Limited | Interface comprising a nasal sealing portion |
| EP4279106A3 (en) | 2012-09-04 | 2024-01-17 | Fisher & Paykel Healthcare Limited | Valsalva mask |
| CN111939417B (en) | 2014-08-25 | 2023-07-04 | 费雪派克医疗保健有限公司 | Respiratory mask and related parts, components or subassemblies thereof |
-
1973
- 1973-04-26 JP JP4826173A patent/JPS56446B2/ja not_active Expired
- 1973-04-27 FR FR7315385A patent/FR2183072A1/en not_active Withdrawn
- 1973-04-30 CH CH612973A patent/CH592122A5/xx not_active IP Right Cessation
- 1973-04-30 AU AU54986/73A patent/AU469254B2/en not_active Expired
- 1973-04-30 IT IT2356873A patent/IT988642B/en active
- 1973-04-30 AT AT382373A patent/AT331034B/en not_active IP Right Cessation
- 1973-04-30 DE DE19732321884 patent/DE2321884A1/en not_active Withdrawn
- 1973-04-30 ES ES414240A patent/ES414240A1/en not_active Expired
- 1973-04-30 BR BR313573A patent/BR7303135D0/en unknown
- 1973-04-30 BE BE130593A patent/BE798926A/en not_active IP Right Cessation
- 1973-05-01 NL NL7306021A patent/NL7306021A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| AU5498673A (en) | 1974-10-31 |
| AT331034B (en) | 1976-07-26 |
| JPS4947495A (en) | 1974-05-08 |
| ES414240A1 (en) | 1976-01-16 |
| DE2321884A1 (en) | 1973-11-15 |
| AU469254B2 (en) | 1976-02-05 |
| FR2183072A1 (en) | 1973-12-14 |
| NL7306021A (en) | 1973-11-06 |
| JPS56446B2 (en) | 1981-01-08 |
| CH592122A5 (en) | 1977-10-14 |
| BR7303135D0 (en) | 1974-07-18 |
| ATA382373A (en) | 1975-10-15 |
| IT988642B (en) | 1975-04-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. Effective date: 19840430 |