BR9805621B1 - processo para a estabilizaÇço de aldeÍdos. - Google Patents

processo para a estabilizaÇço de aldeÍdos.

Info

Publication number: BR9805621B1
Authority: BR; Brazil
Prior art keywords: aldehydes; alkali metal; aldehyde; stabilization; alkaline earth
Prior art date: 1997-12-23

Application number

BRPI9805621-2A

Other languages

English (en)

Other versions

BR9805621A (pt

Inventor

Michael Dr Riedel

Wolfgang Zgorzelski

Michael Messerschmidt

Klaus Bergrath

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.)

1997-12-23

Filing date

1998-12-23

Publication date

2008-11-18

1998-12-23 Application filed filed Critical

2000-02-01 Publication of BR9805621A publication Critical patent/BR9805621A/pt

2008-11-18 Publication of BR9805621B1 publication Critical patent/BR9805621B1/pt

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/86—Use of additives, e.g. for stabilisation

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Engine Equipment That Uses Special Cycles (AREA)
Polyesters Or Polycarbonates (AREA)
Glass Compositions (AREA)
Crystals, And After-Treatments Of Crystals (AREA)
Analysing Materials By The Use Of Radiation (AREA)

BRPI9805621-2A 1997-12-23 1998-12-23 processo para a estabilizaÇço de aldeÍdos. BR9805621B1 (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19757531A DE19757531C1 (de)	1997-12-23	1997-12-23	Verfahren zur Stabilisierung von Aldehyden

Publications (2)

Publication Number	Publication Date
BR9805621A BR9805621A (pt)	2000-02-01
BR9805621B1 true BR9805621B1 (pt)	2008-11-18

Family

ID=7853182

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BRPI9805621-2A BR9805621B1 (pt)	1997-12-23	1998-12-23	processo para a estabilizaÇço de aldeÍdos.

Country Status (19)

Country	Link
US (1)	US6137013A (pt)
EP (1)	EP0926123B1 (pt)
JP (1)	JP4370010B2 (pt)
KR (1)	KR100587720B1 (pt)
CN (1)	CN1138742C (pt)
AT (1)	ATE208756T1 (pt)
AU (1)	AU745800B2 (pt)
BR (1)	BR9805621B1 (pt)
CA (1)	CA2257009C (pt)
DE (2)	DE19757531C1 (pt)
DK (1)	DK0926123T3 (pt)
ES (1)	ES2167832T3 (pt)
ID (1)	ID21581A (pt)
MY (1)	MY116784A (pt)
PL (1)	PL191902B1 (pt)
PT (1)	PT926123E (pt)
RO (1)	RO120707B1 (pt)
TW (1)	TW450957B (pt)
ZA (1)	ZA9811721B (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10060755A1 (de)	2000-12-07	2002-06-20	Haarmann & Reimer Gmbh	Verfahren zur Stabilisierung von Phenylacetaldehyd
US6846960B2 (en) *	2002-09-16	2005-01-25	Eastman Chemical Company	Process for reducing fluoride impurities resulting from use of fluorophosphite catalysts
US6995292B2 (en) *	2002-09-16	2006-02-07	Eastman Chemical Company	Process for reducing fluoride impurities resulting from use of fluorophosphite catalysts
EP1950191B1 (en) *	2005-11-01	2011-10-19	Central Glass Co., Ltd.	Process for producing 3,3,3-trifluoropropionic acid
CN101597221B (zh) *	2008-06-03	2012-07-25	程存照	天然香料壬醛的合成方法
US8288502B2 (en)	2009-12-18	2012-10-16	Nalco Company	Aldehyde-functionalized polymers with enhanced stability

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2170625A (en) *	1938-03-28	1939-08-22	Trojan Powder Co	Stabilization of aldehydes
JPS4512282Y1 (pt) *	1968-01-25	1970-05-29
US4020109A (en) *	1972-12-26	1977-04-26	Union Oil Company Of California	Stabilizing alkanals
JPS60104058A (ja) *	1983-11-10	1985-06-08	Nippon Soda Co Ltd	含イオウアルデヒド類の安定化方法

1997
- 1997-12-23 DE DE19757531A patent/DE19757531C1/de not_active Expired - Fee Related
1998
- 1998-12-07 RO RO98-01655A patent/RO120707B1/ro unknown
- 1998-12-15 PT PT98123787T patent/PT926123E/pt unknown
- 1998-12-15 EP EP98123787A patent/EP0926123B1/de not_active Expired - Lifetime
- 1998-12-15 DK DK98123787T patent/DK0926123T3/da active
- 1998-12-15 AT AT98123787T patent/ATE208756T1/de not_active IP Right Cessation
- 1998-12-15 ES ES98123787T patent/ES2167832T3/es not_active Expired - Lifetime
- 1998-12-15 US US09/211,937 patent/US6137013A/en not_active Expired - Lifetime
- 1998-12-15 DE DE59802136T patent/DE59802136D1/de not_active Expired - Lifetime
- 1998-12-17 ID IDP981641A patent/ID21581A/id unknown
- 1998-12-21 CA CA002257009A patent/CA2257009C/en not_active Expired - Fee Related
- 1998-12-21 JP JP36332798A patent/JP4370010B2/ja not_active Expired - Lifetime
- 1998-12-21 ZA ZA9811721A patent/ZA9811721B/xx unknown
- 1998-12-22 PL PL330494A patent/PL191902B1/pl unknown
- 1998-12-22 TW TW087121380A patent/TW450957B/zh not_active IP Right Cessation
- 1998-12-22 MY MYPI98005822A patent/MY116784A/en unknown
- 1998-12-22 AU AU98127/98A patent/AU745800B2/en not_active Ceased
- 1998-12-23 CN CNB981257879A patent/CN1138742C/zh not_active Expired - Fee Related
- 1998-12-23 BR BRPI9805621-2A patent/BR9805621B1/pt not_active IP Right Cessation
- 1998-12-23 KR KR1019980057461A patent/KR100587720B1/ko not_active Expired - Lifetime

Also Published As

Publication number	Publication date
KR19990063348A (ko)	1999-07-26
JPH11246461A (ja)	1999-09-14
PT926123E (pt)	2002-05-31
RO120707B1 (ro)	2006-06-30
CA2257009C (en)	2008-03-11
EP0926123A1 (de)	1999-06-30
BR9805621A (pt)	2000-02-01
ZA9811721B (en)	1999-06-24
DE19757531C1 (de)	1999-05-12
US6137013A (en)	2000-10-24
CN1138742C (zh)	2004-02-18
MY116784A (en)	2004-03-31
PL191902B1 (pl)	2006-07-31
PL330494A1 (en)	1999-07-05
AU9812798A (en)	1999-07-15
HK1020335A1 (en)	2000-04-14
ATE208756T1 (de)	2001-11-15
CA2257009A1 (en)	1999-06-23
JP4370010B2 (ja)	2009-11-25
TW450957B (en)	2001-08-21
CN1223997A (zh)	1999-07-28
ID21581A (id)	1999-06-24
EP0926123B1 (de)	2001-11-14
ES2167832T3 (es)	2002-05-16
DK0926123T3 (da)	2002-03-25
KR100587720B1 (ko)	2006-10-04
AU745800B2 (en)	2002-04-11
DE59802136D1 (de)	2001-12-20

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Legal Events

Date	Code	Title	Description
2001-04-17	TC	Change of name
2007-07-24	B07A	Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
2008-02-26	B09A	Decision: intention to grant [chapter 9.1 patent gazette]
2008-12-02	B16A	Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]	Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 23/12/1998, OBSERVADAS AS CONDICOES LEGAIS.
2010-10-05	B25A	Requested transfer of rights approved	Owner name: OXEA GMBH (DE) Free format text: TRANSFERIDO DE: CELANESE CHEMICALS EUROPE GMBH
2011-08-02	B24C	Patent annual fee: request for for restoration	Free format text: REFERENTE A 11A E 12A ANUIDADES
2014-04-15	B24H	Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
2020-12-01	B24F	Patent annual fee: publication cancelled	Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2258 DE 15/04/2014 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 11A E 12A 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 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.