ZA735B - Process for the manufacture of methylene bridged polyphenyl polyisocyanates - Google Patents
Process for the manufacture of methylene bridged polyphenyl polyisocyanatesInfo
- Publication number
- ZA735B ZA735B ZA730005A ZA735A ZA735B ZA 735 B ZA735 B ZA 735B ZA 730005 A ZA730005 A ZA 730005A ZA 735 A ZA735 A ZA 735A ZA 735 B ZA735 B ZA 735B
- Authority
- ZA
- South Africa
- Prior art keywords
- manufacture
- methylene bridged
- polyphenyl polyisocyanates
- bridged polyphenyl
- polyisocyanates
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 title 1
- 229920001228 polyisocyanate Polymers 0.000 title 1
- 239000005056 polyisocyanate Substances 0.000 title 1
- 229920006389 polyphenyl polymer Polymers 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyurethanes Or Polyureas (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB368172*[A GB1382452A (en) | 1972-01-26 | 1972-01-26 | Manufacture of methylene bridged polyphenyl polyisocyantes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA735B true ZA735B (en) | 1973-10-31 |
Family
ID=9762922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA730005A ZA735B (en) | 1972-01-26 | 1973-01-02 | Process for the manufacture of methylene bridged polyphenyl polyisocyanates |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS4881841A (OSRAM) |
| AR (1) | AR193315A1 (OSRAM) |
| AU (1) | AU5110273A (OSRAM) |
| BE (1) | BE794327A (OSRAM) |
| BR (1) | BR7300590D0 (OSRAM) |
| DE (1) | DE2301554A1 (OSRAM) |
| FR (1) | FR2169274B1 (OSRAM) |
| GB (1) | GB1382452A (OSRAM) |
| IT (1) | IT987008B (OSRAM) |
| NL (1) | NL7300561A (OSRAM) |
| ZA (1) | ZA735B (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5386059A (en) * | 1991-12-10 | 1995-01-31 | Miles Inc. | Process for preparing polyamines for lighter color polyisocyanate based foam |
-
0
- BE BE794327D patent/BE794327A/xx unknown
-
1972
- 1972-01-26 GB GB368172*[A patent/GB1382452A/en not_active Expired
-
1973
- 1973-01-02 ZA ZA730005A patent/ZA735B/xx unknown
- 1973-01-12 DE DE2301554A patent/DE2301554A1/de active Pending
- 1973-01-15 AU AU51102/73A patent/AU5110273A/en not_active Expired
- 1973-01-15 NL NL7300561A patent/NL7300561A/xx unknown
- 1973-01-17 AR AR246166A patent/AR193315A1/es active
- 1973-01-25 FR FR7302679A patent/FR2169274B1/fr not_active Expired
- 1973-01-25 IT IT19599/73A patent/IT987008B/it active
- 1973-01-25 BR BR73590A patent/BR7300590D0/pt unknown
- 1973-01-26 JP JP48010920A patent/JPS4881841A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2301554A1 (de) | 1973-08-02 |
| IT987008B (it) | 1975-02-20 |
| AR193315A1 (es) | 1973-04-11 |
| BE794327A (fr) | 1973-07-19 |
| GB1382452A (en) | 1975-01-29 |
| NL7300561A (OSRAM) | 1973-07-30 |
| AU5110273A (en) | 1974-07-18 |
| FR2169274A1 (OSRAM) | 1973-09-07 |
| BR7300590D0 (pt) | 1973-09-27 |
| JPS4881841A (OSRAM) | 1973-11-01 |
| FR2169274B1 (OSRAM) | 1976-11-05 |
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