BR9202070A - DEMULSIFIER AND COAGUALDOR CATIONICO POLYELETROLITO - Google Patents

DEMULSIFIER AND COAGUALDOR CATIONICO POLYELETROLITO

Info

Publication number: BR9202070A
Authority: BR; Brazil
Prior art keywords: polyeletrolito; coagualdor; cationico; demulsifier; coagualdor cationico
Prior art date: 1992-01-30

Application number

BR9202070A

Other languages

Portuguese (pt)

Inventor

David Brian Mitchell

Thomas Peter Curran

Mark William Salihar

Original Assignee

Grace W R & Co

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.)

1992-01-30

Filing date

1992-05-29

Publication date

1993-08-03

1992-05-29 Application filed by Grace W R & Co filed Critical Grace W R & Co

1993-08-03 Publication of BR9202070A publication Critical patent/BR9202070A/en

Links

BR9202070A 1992-01-30 1992-05-29 DEMULSIFIER AND COAGUALDOR CATIONICO POLYELETROLITO BR9202070A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US82809692A	1992-01-30	1992-01-30

Publications (1)

Publication Number	Publication Date
BR9202070A true BR9202070A (en)	1993-08-03

Family

ID=25250910

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR9202070A BR9202070A (en)	1992-01-30	1992-05-29	DEMULSIFIER AND COAGUALDOR CATIONICO POLYELETROLITO

Country Status (4)

Country	Link
AU (1)	AU646733B2 (en)
BR (1)	BR9202070A (en)
CA (1)	CA2068013A1 (en)
ZA (1)	ZA923161B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20100300962A1 (en) *	2009-06-02	2010-12-02	Delaval Holding Ab	Methods for treating wastewater using an organic coagulant
CA2868053C (en) *	2012-03-28	2020-09-22	Halosource, Inc.	Water treatment compositions and methods of use
WO2018102653A2 (en) *	2016-12-01	2018-06-07	Dober Chemical Corporation	Water-enriching and water-depleting compositions and methods
US11124711B2 (en)	2017-05-09	2021-09-21	Baker Hughes Holdings Llc	Demulsifier or water clarifier activity modifiers

1992
- 1992-04-27 AU AU15143/92A patent/AU646733B2/en not_active Ceased
- 1992-04-30 ZA ZA923161A patent/ZA923161B/en unknown
- 1992-05-05 CA CA 2068013 patent/CA2068013A1/en not_active Abandoned
- 1992-05-29 BR BR9202070A patent/BR9202070A/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
ZA923161B (en)	1993-07-30
CA2068013A1 (en)	1993-07-31
AU646733B2 (en)	1994-03-03
AU1514392A (en)	1993-08-26

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Legal Events

Date	Code	Title	Description
1998-11-10	FB36	Technical and formal requirements: requirement - article 36 of industrial property law
1999-05-11	PC	Transfer	Free format text: BETZDEARBORN, INC. (US)
2000-05-02	FF	Decision: intention to grant
2000-09-05	FG9A	Patent or certificate of addition granted
2011-02-22	B24C	Patent annual fee: request for for restoration	Free format text: REFERENTE A 12A,13A,14A,15A,16A,17A E 18A ANUIDADES
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.
2020-12-22	B21F	Lapse acc. art. 78, item iv - on non-payment of the annual fees in time	Free format text: REFERENTE AS 12A, 13A, 14A, 15A, 16A, 17A E 18A ANUIDADES.
2021-04-13	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 2607 DE 22-12-2020 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.