IT957621B - Procedimento per produrre diaril metani e poliamminopoliaril metani - Google Patents
Procedimento per produrre diaril metani e poliamminopoliaril metaniInfo
- Publication number
- IT957621B IT957621B IT4957672A IT4957672A IT957621B IT 957621 B IT957621 B IT 957621B IT 4957672 A IT4957672 A IT 4957672A IT 4957672 A IT4957672 A IT 4957672A IT 957621 B IT957621 B IT 957621B
- Authority
- IT
- Italy
- Prior art keywords
- methane
- polyaminopolyl
- procedure
- producing diaryl
- producing
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712118490 DE2118490A1 (de) | 1971-04-16 | 1971-04-16 | Verfahren zur Herstellung von Diamino-diarylmethanen und Polyaminopolyarylmethanen |
Publications (1)
Publication Number | Publication Date |
---|---|
IT957621B true IT957621B (it) | 1973-10-20 |
Family
ID=5804900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT4957672A IT957621B (it) | 1971-04-16 | 1972-04-13 | Procedimento per produrre diaril metani e poliamminopoliaril metani |
Country Status (8)
Country | Link |
---|---|
BE (1) | BE782050A (it) |
BR (1) | BR7202218D0 (it) |
DE (1) | DE2118490A1 (it) |
ES (1) | ES401812A1 (it) |
FR (1) | FR2136443A5 (it) |
GB (1) | GB1365190A (it) |
IT (1) | IT957621B (it) |
NL (1) | NL7204975A (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4297294A (en) | 1980-09-29 | 1981-10-27 | Shell Oil Company | Process for making 4,4'-methylene diphenyl diisocyanate |
-
1971
- 1971-04-16 DE DE19712118490 patent/DE2118490A1/de active Pending
-
1972
- 1972-04-13 BE BE782050A patent/BE782050A/xx unknown
- 1972-04-13 NL NL7204975A patent/NL7204975A/xx unknown
- 1972-04-13 IT IT4957672A patent/IT957621B/it active
- 1972-04-14 BR BR221872A patent/BR7202218D0/pt unknown
- 1972-04-14 FR FR7213264A patent/FR2136443A5/fr not_active Expired
- 1972-04-14 GB GB1722872A patent/GB1365190A/en not_active Expired
- 1972-04-15 ES ES401812A patent/ES401812A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL7204975A (it) | 1972-10-18 |
DE2118490A1 (de) | 1972-10-26 |
ES401812A1 (es) | 1975-03-16 |
GB1365190A (en) | 1974-08-29 |
BR7202218D0 (pt) | 1974-10-29 |
FR2136443A5 (it) | 1972-12-22 |
BE782050A (fr) | 1972-10-13 |
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