BR9200725A - PROCESS TO SEPARATE WATER FROM MIXING AMINES - Google Patents

PROCESS TO SEPARATE WATER FROM MIXING AMINES

Info

Publication number: BR9200725A
Authority: BR; Brazil
Prior art keywords: separate water; mixing amines; amines; mixing; separate
Prior art date: 1992-02-19

Application number

BR9200725A

Other languages

Portuguese (pt)

Inventor

Gonzalo Sieiro Gonzalez

Maria Vitoria Goncalves Miron

Original Assignee

Oxiteno S A Ind E Comercio

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.)

1992-02-19

Filing date

1992-02-19

Publication date

1993-01-05

1992-02-19 Application filed by Oxiteno S A Ind E Comercio filed Critical Oxiteno S A Ind E Comercio

1992-02-19 Priority to BR9200725A priority Critical patent/BR9200725A/en

1993-01-05 Publication of BR9200725A publication Critical patent/BR9200725A/en

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
BR9200725A BR9200725A (en)	1992-02-19	1992-02-19	PROCESS TO SEPARATE WATER FROM MIXING AMINES

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
BR9200725A BR9200725A (en)	1992-02-19	1992-02-19	PROCESS TO SEPARATE WATER FROM MIXING AMINES

Publications (1)

Publication Number	Publication Date
BR9200725A true BR9200725A (en)	1993-01-05

Family

ID=4053777

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR9200725A BR9200725A (en)	1992-02-19	1992-02-19	PROCESS TO SEPARATE WATER FROM MIXING AMINES

Country Status (1)

Country	Link
BR (1)	BR9200725A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN103159629A (en) *	2011-12-09	2013-06-19	中国科学院大连化学物理研究所	Separation method for azeotrope of ethylene diamine and water
CN106608825A (en) *	2015-10-22	2017-05-03	中国石油化工股份有限公司	Method for producing ethylenediamine by ethanolamine method

1992
- 1992-02-19 BR BR9200725A patent/BR9200725A/en not_active IP Right Cessation

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN103159629A (en) *	2011-12-09	2013-06-19	中国科学院大连化学物理研究所	Separation method for azeotrope of ethylene diamine and water
CN103159629B (en) *	2011-12-09	2014-09-03	中国科学院大连化学物理研究所	Separation method for azeotrope of ethylene diamine and water
CN106608825A (en) *	2015-10-22	2017-05-03	中国石油化工股份有限公司	Method for producing ethylenediamine by ethanolamine method
CN106608825B (en) *	2015-10-22	2018-10-23	中国石油化工股份有限公司	The method that Girbotal process produces ethylenediamine

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Legal Events

Date	Code	Title	Description
1999-04-27	FB36	Technical and formal requirements: requirement - article 36 of industrial property law
1999-09-21	FF	Decision: intention to grant
2000-05-30	FG9A	Patent or certificate of addition granted
2011-04-05	B24C	Patent annual fee: request for for restoration	Free format text: REFERENTE A 15A, 16A, 17A, 18A E 19A ANUIDADE(S).
2014-09-02	B24H	Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
2020-12-08	B24F	Patent annual fee: publication cancelled	Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2278 DE 02/09/2014 POR TER SIDO INDEVIDA.
2020-12-15	B21F	Lapse acc. art. 78, item iv - on non-payment of the annual fees in time	Free format text: REFERENTE AS 15A, 16A, 17A, 18A E 19A ANUIDADES.
2021-03-30	B24J	Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)	Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.