BR7202218D0 - Processo para a preparacao de diamino-diarlimetanos e poliaminopoliarilmetanos - Google Patents

Processo para a preparacao de diamino-diarlimetanos e poliaminopoliarilmetanos

Info

Publication number: BR7202218D0
Authority: BR; Brazil
Prior art keywords: polyaminopoliarylmethes; diarlimetanes; diamino; preparation
Prior art date: 1971-04-16

Application number

BR221872A

Other languages

English (en)

Inventor

H Buysch

Original Assignee

Bayer Ag

Priority date (The priority date 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 date listed.)

1971-04-16

Filing date

1972-04-14

Publication date

1974-10-29

1972-04-14 Application filed by Bayer Ag filed Critical Bayer Ag

1974-10-29 Publication of BR7202218D0 publication Critical patent/BR7202218D0/pt

Links

BR221872A 1971-04-16 1972-04-14 Processo para a preparacao de diamino-diarlimetanos e poliaminopoliarilmetanos BR7202218D0 (pt)

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
BR7202218D0 true BR7202218D0 (pt)	1974-10-29

Family

ID=5804900

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR221872A BR7202218D0 (pt)	1971-04-16	1972-04-14	Processo para a preparacao de diamino-diarlimetanos e poliaminopoliarilmetanos

Country Status (8)

Country	Link
BE (1)	BE782050A (pt)
BR (1)	BR7202218D0 (pt)
DE (1)	DE2118490A1 (pt)
ES (1)	ES401812A1 (pt)
FR (1)	FR2136443A5 (pt)
GB (1)	GB1365190A (pt)
IT (1)	IT957621B (pt)
NL (1)	NL7204975A (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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 IT IT4957672A patent/IT957621B/it active
- 1972-04-13 NL NL7204975A patent/NL7204975A/xx unknown
- 1972-04-13 BE BE782050A patent/BE782050A/xx unknown
- 1972-04-14 GB GB1722872A patent/GB1365190A/en not_active Expired
- 1972-04-14 BR BR221872A patent/BR7202218D0/pt unknown
- 1972-04-14 FR FR7213264A patent/FR2136443A5/fr not_active Expired
- 1972-04-15 ES ES401812A patent/ES401812A1/es not_active Expired

Also Published As

Publication number	Publication date
NL7204975A (pt)	1972-10-18
ES401812A1 (es)	1975-03-16
IT957621B (it)	1973-10-20
FR2136443A5 (pt)	1972-12-22
DE2118490A1 (de)	1972-10-26
BE782050A (fr)	1972-10-13
GB1365190A (en)	1974-08-29

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