BE654430A - - Google Patents
Info
- Publication number
- BE654430A BE654430A BE654430A BE654430A BE654430A BE 654430 A BE654430 A BE 654430A BE 654430 A BE654430 A BE 654430A BE 654430 A BE654430 A BE 654430A BE 654430 A BE654430 A BE 654430A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/18—Separation; Purification; Stabilisation; Use of additives
- C07C263/20—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyurethanes Or Polyureas (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US31883163A | 1963-10-25 | 1963-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE654430A true BE654430A (xx) | 1965-02-01 |
Family
ID=23239750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE654430A BE654430A (xx) | 1963-10-25 | 1964-10-15 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3458558A (xx) |
| BE (1) | BE654430A (xx) |
| CH (1) | CH454121A (xx) |
| DE (1) | DE1286025B (xx) |
| GB (1) | GB1007087A (xx) |
| NL (1) | NL6411863A (xx) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3759971A (en) * | 1971-01-20 | 1973-09-18 | Jefferson Chem Co Inc | Purification of isocyanates |
| JPS5337852B2 (xx) * | 1974-06-04 | 1978-10-12 | ||
| US4661627A (en) * | 1986-08-19 | 1987-04-28 | The Dow Chemical Company | Method for scavenging acidic impurities from polymeric isocyanates |
| US4904704A (en) * | 1988-12-22 | 1990-02-27 | The Dow Chemical Company | Rigid foams prepared from treated toluene diisocyanate residue |
| US5185384A (en) * | 1991-01-28 | 1993-02-09 | The Dow Chemical Company | Method for reducing hydrolyzable chloride in toluene diisocyanate |
| US5216042A (en) * | 1991-07-10 | 1993-06-01 | The Dow Chemical Company | Process for preparing viscosity-stabilized reactive toluene diisocyanate distillation residues and blends thereof |
| DE19914291A1 (de) | 1999-03-30 | 2000-10-05 | Bayer Ag | Verfahren zur Absenkung des Chlorgehaltes von niedermolekularen Isocyanaten |
| DE19914292A1 (de) | 1999-03-30 | 2000-10-05 | Bayer Ag | Verfahren zur Verringerung des Chlorgehaltes von organischen Isocyanaten |
| DE19922572A1 (de) | 1999-05-17 | 2000-11-23 | Bayer Ag | Verfahren zur Reinigung von organischen Isocyanaten, die so gereinigten organischen Isocyanate und ihre Verwendung |
| CN102351738A (zh) * | 2004-12-22 | 2012-02-15 | 朗盛德国有限责任公司 | 用于减少有机异氰酸酯中含氯组分的方法 |
| RU2487116C2 (ru) * | 2008-11-26 | 2013-07-10 | Хантсмэн Интернэшнл Ллс | Способ производства изоцианатов |
| JP6731929B2 (ja) | 2015-01-30 | 2020-07-29 | ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ | 副生成物含有量の少ないポリフェニレンポリメチレンポリイソシアネート |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1138040B (de) * | 1960-03-30 | 1962-10-18 | Mobay Chemical Corp | Entfernung von hydrolysierbarem Chlor und Verringerung der Aziditaet aus/bzw. von organischen Isocyanaten |
| US3155699A (en) * | 1960-03-30 | 1964-11-03 | Mobay Chemical Corp | Purification of isocyanates by reduction of the hydrolyzable chlorine and acid content |
-
1963
- 1963-10-25 US US318831A patent/US3458558A/en not_active Expired - Lifetime
-
1964
- 1964-09-11 GB GB37333/64A patent/GB1007087A/en not_active Expired
- 1964-10-12 NL NL6411863A patent/NL6411863A/xx unknown
- 1964-10-15 BE BE654430A patent/BE654430A/xx unknown
- 1964-10-20 DE DEA47384A patent/DE1286025B/de active Pending
- 1964-10-22 CH CH1370664A patent/CH454121A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1286025B (de) | 1969-01-02 |
| CH454121A (de) | 1968-04-15 |
| GB1007087A (en) | 1965-10-13 |
| US3458558A (en) | 1969-07-29 |
| NL6411863A (xx) | 1965-04-26 |