BE677219A - - Google Patents
Info
- Publication number
- BE677219A BE677219A BE677219DA BE677219A BE 677219 A BE677219 A BE 677219A BE 677219D A BE677219D A BE 677219DA BE 677219 A BE677219 A BE 677219A
- 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
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/721—Two or more polyisocyanates not provided for in one single group C08G18/73 - C08G18/80
- C08G18/727—Two or more polyisocyanates not provided for in one single group C08G18/73 - C08G18/80 comprising distillation residues or non-distilled raw phosgenation products
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
- C08G18/7621—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring being toluene diisocyanate including isomer mixtures
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polyurethanes Or Polyureas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US43664765A | 1965-03-02 | 1965-03-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE677219A true BE677219A (en:Method) | 1966-08-01 |
Family
ID=23733245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE677219D BE677219A (en:Method) | 1965-03-02 | 1966-03-01 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3426058A (en:Method) |
| BE (1) | BE677219A (en:Method) |
| DE (1) | DE1543987A1 (en:Method) |
| GB (1) | GB1063609A (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3723363A (en) * | 1970-09-23 | 1973-03-27 | F Shaw | Trimerized crude isocyanate mixtures and polyurethane foams prepared from same |
| DE4127514A1 (de) * | 1991-08-20 | 1993-02-25 | Bayer Ag | Verfahren zur gewinnung von polyisocyanaten aus destillationsrueckstaenden der toluylendiisocyanatherstellung |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3215652A (en) * | 1962-09-24 | 1965-11-02 | Allied Chem | Process for producing a rigid polyether-polyurethane foam |
-
1965
- 1965-03-02 US US436647A patent/US3426058A/en not_active Expired - Lifetime
-
1966
- 1966-03-01 GB GB8978/66A patent/GB1063609A/en not_active Expired
- 1966-03-01 DE DE19661543987 patent/DE1543987A1/de active Pending
- 1966-03-01 BE BE677219D patent/BE677219A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1063609A (en) | 1967-03-30 |
| US3426058A (en) | 1969-02-04 |
| DE1543987A1 (de) | 1970-03-26 |