BR7202218D0 - PROCESS FOR THE PREPARATION OF DIAMINO-DIARLIMETANES AND POLYAMINOPOLIARYLMETHES - Google Patents
PROCESS FOR THE PREPARATION OF DIAMINO-DIARLIMETANES AND POLYAMINOPOLIARYLMETHESInfo
- Publication number
- BR7202218D0 BR7202218D0 BR221872A BR221872A BR7202218D0 BR 7202218 D0 BR7202218 D0 BR 7202218D0 BR 221872 A BR221872 A BR 221872A BR 221872 A BR221872 A BR 221872A BR 7202218 D0 BR7202218 D0 BR 7202218D0
- Authority
- BR
- Brazil
- Prior art keywords
- polyaminopoliarylmethes
- diarlimetanes
- diamino
- preparation
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712118490 DE2118490A1 (en) | 1971-04-16 | 1971-04-16 | Process for the production of diamino-diarylmethanes and polyaminopolyarylmethanes |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7202218D0 true BR7202218D0 (en) | 1974-10-29 |
Family
ID=5804900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR221872A BR7202218D0 (en) | 1971-04-16 | 1972-04-14 | PROCESS FOR THE PREPARATION OF DIAMINO-DIARLIMETANES AND POLYAMINOPOLIARYLMETHES |
Country Status (8)
Country | Link |
---|---|
BE (1) | BE782050A (en) |
BR (1) | BR7202218D0 (en) |
DE (1) | DE2118490A1 (en) |
ES (1) | ES401812A1 (en) |
FR (1) | FR2136443A5 (en) |
GB (1) | GB1365190A (en) |
IT (1) | IT957621B (en) |
NL (1) | NL7204975A (en) |
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/en active Pending
-
1972
- 1972-04-13 BE BE782050A patent/BE782050A/en unknown
- 1972-04-13 IT IT4957672A patent/IT957621B/en active
- 1972-04-13 NL NL7204975A patent/NL7204975A/xx unknown
- 1972-04-14 GB GB1722872A patent/GB1365190A/en not_active Expired
- 1972-04-14 BR BR221872A patent/BR7202218D0/en unknown
- 1972-04-14 FR FR7213264A patent/FR2136443A5/fr not_active Expired
- 1972-04-15 ES ES401812A patent/ES401812A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1365190A (en) | 1974-08-29 |
IT957621B (en) | 1973-10-20 |
BE782050A (en) | 1972-10-13 |
ES401812A1 (en) | 1975-03-16 |
NL7204975A (en) | 1972-10-18 |
DE2118490A1 (en) | 1972-10-26 |
FR2136443A5 (en) | 1972-12-22 |
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