CA1120051A - Process for preparing polymethylene polyphenyl polycarbamates - Google Patents
Process for preparing polymethylene polyphenyl polycarbamatesInfo
- Publication number
- CA1120051A CA1120051A CA000341827A CA341827A CA1120051A CA 1120051 A CA1120051 A CA 1120051A CA 000341827 A CA000341827 A CA 000341827A CA 341827 A CA341827 A CA 341827A CA 1120051 A CA1120051 A CA 1120051A
- Authority
- CA
- Canada
- Prior art keywords
- acid
- reaction
- ester
- phenyl carbamic
- carbamic acid
- Prior art date
- 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.)
- Expired
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
- 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
- C08G18/701—Compounds forming isocyanates or isothiocyanates in situ
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15372778A JPS5581850A (en) | 1978-12-14 | 1978-12-14 | Preparation of polymethylene polyphenyl polycarbamate |
JP153727/1978 | 1978-12-14 | ||
JP15414378A JPS5581851A (en) | 1978-12-15 | 1978-12-15 | Preparation of polymethylene polyphenyl polycarbamate |
JP154143/1978 | 1978-12-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1120051A true CA1120051A (en) | 1982-03-16 |
Family
ID=26482265
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000341827A Expired CA1120051A (en) | 1978-12-14 | 1979-12-13 | Process for preparing polymethylene polyphenyl polycarbamates |
Country Status (6)
Country | Link |
---|---|
CA (1) | CA1120051A (xx) |
DE (1) | DE2950386C2 (xx) |
FR (1) | FR2444057B1 (xx) |
GB (1) | GB2044252B (xx) |
IT (1) | IT1126563B (xx) |
NL (1) | NL185077C (xx) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4699994A (en) * | 1985-09-18 | 1987-10-13 | Nippon Kokan Kabushiki Kaisha | Method of manufacturing diphenylmethane dicarbamic acid diesters |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5612357A (en) * | 1979-07-09 | 1981-02-06 | Mitsui Toatsu Chem Inc | Production of polymethylenepolyphenylpolycarbamate |
DE3013907A1 (de) * | 1980-04-11 | 1981-10-22 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von methylen-bis-phenylcarbaminsaeureestern und polymethylen-polyphenylcarbamidsaeureestern |
US4552974A (en) * | 1982-12-07 | 1985-11-12 | Asahi Kasei Kogyo Kabushiki Kaisha | Process for producing diphenylmethane dicarbamates |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1042891B (de) * | 1956-08-16 | 1958-11-06 | Bayer Ag | Verfahren zur Herstellung von stickstoffhaltigen Kondensationsprodukten |
-
1979
- 1979-12-07 IT IT27992/79A patent/IT1126563B/it active
- 1979-12-12 GB GB7942809A patent/GB2044252B/en not_active Expired
- 1979-12-13 CA CA000341827A patent/CA1120051A/en not_active Expired
- 1979-12-13 NL NLAANVRAGE7908982,A patent/NL185077C/xx not_active IP Right Cessation
- 1979-12-14 DE DE2950386A patent/DE2950386C2/de not_active Expired
- 1979-12-14 FR FR7930757A patent/FR2444057B1/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4699994A (en) * | 1985-09-18 | 1987-10-13 | Nippon Kokan Kabushiki Kaisha | Method of manufacturing diphenylmethane dicarbamic acid diesters |
Also Published As
Publication number | Publication date |
---|---|
DE2950386A1 (de) | 1980-07-03 |
NL185077B (nl) | 1989-08-16 |
FR2444057A1 (fr) | 1980-07-11 |
GB2044252B (en) | 1983-04-20 |
IT1126563B (it) | 1986-05-21 |
IT7927992A0 (it) | 1979-12-07 |
DE2950386C2 (de) | 1987-02-05 |
GB2044252A (en) | 1980-10-15 |
FR2444057B1 (fr) | 1985-11-22 |
NL7908982A (nl) | 1980-06-17 |
NL185077C (nl) | 1990-01-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |