JPS4876987A - - Google Patents
Info
- Publication number
- JPS4876987A JPS4876987A JP48004206A JP420673A JPS4876987A JP S4876987 A JPS4876987 A JP S4876987A JP 48004206 A JP48004206 A JP 48004206A JP 420673 A JP420673 A JP 420673A JP S4876987 A JPS4876987 A JP S4876987A
- Authority
- JP
- Japan
- 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.)
- Granted
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
- C08G2/18—Copolymerisation of aldehydes or ketones
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT3294771A IT946165B (it) | 1971-12-27 | 1971-12-27 | Procedimento per rendere stabili i polimeri acetalici |
| IT2942472A IT1012043B (it) | 1972-09-20 | 1972-09-20 | Procedimento per rendere stabili i polimeri acetalici |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4876987A true JPS4876987A (https=) | 1973-10-16 |
| JPS5510611B2 JPS5510611B2 (https=) | 1980-03-18 |
Family
ID=26328833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP734206A Expired JPS5510611B2 (https=) | 1971-12-27 | 1972-12-26 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3875117A (https=) |
| JP (1) | JPS5510611B2 (https=) |
| CA (1) | CA973296A (https=) |
| CH (1) | CH606179A5 (https=) |
| DE (1) | DE2263606C2 (https=) |
| FR (1) | FR2173921B1 (https=) |
| NL (1) | NL174150C (https=) |
| YU (1) | YU34707B (https=) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1045613B (it) * | 1973-06-15 | 1980-06-10 | Sir Soc Italiana Resine Spa | Procedimento perfezionato per pendere stabili i polimeri acetalici |
| US3998791A (en) * | 1973-06-15 | 1976-12-21 | Societa' Italiana Resine S.I.R. S.P.A. | Process for the stabilization of polyacetal reins |
| JPS5347836B2 (https=) * | 1974-06-21 | 1978-12-23 | ||
| US4355153A (en) * | 1980-11-19 | 1982-10-19 | Societa' Italiana Resine S.I.R. S.P.A. | Process for the polymerization of formaldehyde |
| JPH0237677U (https=) * | 1988-09-03 | 1990-03-13 | ||
| US5852208A (en) * | 1996-08-30 | 1998-12-22 | Dixie Chemical Company, Inc. | Method of producing compounds containing acyloxyalkoxy groups from alcohols |
| EP1127903A1 (en) * | 2000-02-28 | 2001-08-29 | Nippon Shokubai Co., Ltd. | Production process for glyoxylic acid (salt)-based polymer |
| KR102228559B1 (ko) * | 2014-10-13 | 2021-03-16 | 현대모비스 주식회사 | 운전자 피로 감지 방법 및 시스템 |
| US20220380557A1 (en) * | 2021-05-20 | 2022-12-01 | Xerox Corporation | Polyoxymethylene microparticles and methods of production and use thereof |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3147234A (en) * | 1958-02-28 | 1964-09-01 | Celanese Corp | Modified oxymethylene polymers |
| FR1297928A (fr) * | 1961-05-27 | 1962-07-06 | Charbonnages De France | Polymères d'aldéhydes cristallins stables et leur procédé d'obtention |
| NL133340C (https=) * | 1962-07-27 | |||
| NL301105A (https=) * | 1962-11-29 | |||
| DE1212728B (de) * | 1963-08-16 | 1966-03-17 | Bayer Ag | Verfahren zur Herstellung von acetylierten hochmolekularen Polyoxymethylenen |
| FR1428498A (fr) * | 1963-10-12 | 1966-02-18 | Sumitomo Chemical Co | Procédé de préparation de polyacétals stabilisés |
| US3384621A (en) * | 1964-02-11 | 1968-05-21 | Denki Kagaku Kogyo Kk | Method for preparing polyoxymethylene of improved thermal stability |
| US3437640A (en) * | 1965-03-24 | 1969-04-08 | Du Pont | Process for preparing a modified polyoxymethylene |
| US3393179A (en) * | 1966-02-17 | 1968-07-16 | Du Pont | Preparation of polyoxymethylene ethers |
| US3609124A (en) * | 1967-08-01 | 1971-09-28 | Sir Soc Italiana Resine Spa | Process for stabilizing polyoxymethylenes |
| NL147158B (nl) * | 1969-06-04 | 1975-09-15 | Ube Industries | Werkwijze voor het bereiden van een thermisch stabiel polymeer, alsmede met behulp daarvan verkregen gevormd voortbrengsel. |
-
1972
- 1972-12-22 CH CH1874172A patent/CH606179A5/xx not_active IP Right Cessation
- 1972-12-22 FR FR7245984A patent/FR2173921B1/fr not_active Expired
- 1972-12-26 JP JP734206A patent/JPS5510611B2/ja not_active Expired
- 1972-12-27 CA CA159,908A patent/CA973296A/en not_active Expired
- 1972-12-27 US US318970A patent/US3875117A/en not_active Expired - Lifetime
- 1972-12-27 DE DE2263606A patent/DE2263606C2/de not_active Expired
- 1972-12-27 YU YU3247/72A patent/YU34707B/xx unknown
- 1972-12-27 NL NLAANVRAGE7217684,A patent/NL174150C/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NL7217684A (https=) | 1973-06-29 |
| DE2263606C2 (de) | 1983-02-10 |
| FR2173921A1 (https=) | 1973-10-12 |
| CH606179A5 (https=) | 1978-10-31 |
| US3875117A (en) | 1975-04-01 |
| FR2173921B1 (https=) | 1975-11-07 |
| YU34707B (en) | 1979-12-31 |
| NL174150B (nl) | 1983-12-01 |
| JPS5510611B2 (https=) | 1980-03-18 |
| YU324772A (en) | 1979-07-10 |
| CA973296A (en) | 1975-08-19 |
| DE2263606A1 (de) | 1973-08-02 |
| NL174150C (nl) | 1984-05-01 |