BE798747A - Procede d'hydrolyse heterogene de copolymeres oxymethyleniques fondus - Google Patents
Procede d'hydrolyse heterogene de copolymeres oxymethyleniques fondusInfo
- Publication number
- BE798747A BE798747A BE130437A BE130437A BE798747A BE 798747 A BE798747 A BE 798747A BE 130437 A BE130437 A BE 130437A BE 130437 A BE130437 A BE 130437A BE 798747 A BE798747 A BE 798747A
- Authority
- BE
- Belgium
- Prior art keywords
- oxymethylenic
- heterogenous
- copolymers
- molten
- hydrolysis process
- Prior art date
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
- C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
- C08G2/30—Chemical modification by after-treatment
- C08G2/36—Chemical modification by after-treatment by depolymerisation
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US24762572A | 1972-04-26 | 1972-04-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE798747A true BE798747A (fr) | 1973-10-26 |
Family
ID=22935649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE130437A BE798747A (fr) | 1972-04-26 | 1973-04-26 | Procede d'hydrolyse heterogene de copolymeres oxymethyleniques fondus |
Country Status (16)
| Country | Link |
|---|---|
| JP (1) | JPS5633416B2 (de) |
| AT (1) | AT326917B (de) |
| BE (1) | BE798747A (de) |
| BR (1) | BR7303030D0 (de) |
| CA (1) | CA989994A (de) |
| CH (1) | CH585770A5 (de) |
| DE (1) | DE2319973B2 (de) |
| DK (1) | DK141585B (de) |
| FI (1) | FI57432C (de) |
| FR (1) | FR2182076B1 (de) |
| GB (1) | GB1407144A (de) |
| IT (1) | IT982824B (de) |
| NL (1) | NL175729C (de) |
| NO (1) | NO132433C (de) |
| SE (1) | SE386192B (de) |
| SU (1) | SU695561A3 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55157617A (en) * | 1979-05-28 | 1980-12-08 | Mitsubishi Gas Chem Co Inc | Thermal stabilization of oxymethylene copolymer |
| JPS63153814A (ja) * | 1986-07-09 | 1988-06-27 | F S K Kk | ウエハ貼着用粘着シ−ト |
| JPH06101455B2 (ja) * | 1987-05-27 | 1994-12-12 | リンテック株式会社 | ウエハ研摩用保護シ−トおよびこのシ−トを用いたウエハ面の研摩方法 |
| JPH0641504A (ja) * | 1991-07-12 | 1994-02-15 | Saiden Kagaku Kk | アルカリ可溶型粘着剤組成物 |
| JP2727143B2 (ja) * | 1991-12-03 | 1998-03-11 | サイデン化学株式会社 | アルカリ可溶型粘着剤組成物 |
| US7763265B2 (en) | 2004-06-30 | 2010-07-27 | Dak Americas, Llc | UV barrier formulation for polyesters |
-
1973
- 1973-04-19 DE DE19732319973 patent/DE2319973B2/de not_active Ceased
- 1973-04-20 JP JP4424073A patent/JPS5633416B2/ja not_active Expired
- 1973-04-24 IT IT2339573A patent/IT982824B/it active
- 1973-04-25 NL NL7305758A patent/NL175729C/xx not_active IP Right Cessation
- 1973-04-25 SU SU731912244A patent/SU695561A3/ru active
- 1973-04-25 GB GB1958873A patent/GB1407144A/en not_active Expired
- 1973-04-25 CH CH589473A patent/CH585770A5/xx not_active IP Right Cessation
- 1973-04-25 CA CA169,512A patent/CA989994A/en not_active Expired
- 1973-04-25 DK DK225273A patent/DK141585B/da unknown
- 1973-04-25 NO NO170173A patent/NO132433C/no unknown
- 1973-04-25 SE SE7305839A patent/SE386192B/xx unknown
- 1973-04-25 FR FR7314981A patent/FR2182076B1/fr not_active Expired
- 1973-04-25 FI FI132373A patent/FI57432C/fi active
- 1973-04-25 AT AT366573A patent/AT326917B/de not_active IP Right Cessation
- 1973-04-26 BE BE130437A patent/BE798747A/xx not_active IP Right Cessation
- 1973-04-26 BR BR303073A patent/BR7303030D0/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2319973A1 (de) | 1973-11-08 |
| ATA366573A (de) | 1975-03-15 |
| DK141585B (da) | 1980-04-28 |
| JPS5633416B2 (de) | 1981-08-04 |
| GB1407144A (en) | 1975-09-24 |
| SU695561A3 (ru) | 1979-10-30 |
| CA989994A (en) | 1976-05-25 |
| BR7303030D0 (pt) | 1974-07-18 |
| FR2182076B1 (de) | 1980-01-04 |
| AT326917B (de) | 1976-01-12 |
| IT982824B (it) | 1974-10-21 |
| SE386192B (sv) | 1976-08-02 |
| NO132433C (de) | 1975-11-12 |
| NO132433B (de) | 1975-08-04 |
| NL175729C (nl) | 1984-12-17 |
| JPS4923294A (de) | 1974-03-01 |
| FR2182076A1 (de) | 1973-12-07 |
| FI57432B (fi) | 1980-04-30 |
| NL175729B (nl) | 1984-07-16 |
| DE2319973B2 (de) | 1981-06-04 |
| FI57432C (fi) | 1980-08-11 |
| NL7305758A (de) | 1973-10-30 |
| CH585770A5 (de) | 1977-03-15 |
| DK141585C (de) | 1980-10-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: CELANESE CORP. Effective date: 19920430 |