BR9811343B1 - mÉtodo de recuperaÇço de Ácido fàrmico. - Google Patents
mÉtodo de recuperaÇço de Ácido fàrmico.Info
- Publication number
- BR9811343B1 BR9811343B1 BRPI9811343-7A BR9811343A BR9811343B1 BR 9811343 B1 BR9811343 B1 BR 9811343B1 BR 9811343 A BR9811343 A BR 9811343A BR 9811343 B1 BR9811343 B1 BR 9811343B1
- Authority
- BR
- Brazil
- Prior art keywords
- formic acid
- recovery
- acid
- free
- chemically bound
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
- D21C3/20—Pulping cellulose-containing materials with organic solvents or in solvent environment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Paper (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Saccharide Compounds (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI973474A FI108233B (fi) | 1997-08-22 | 1997-08-22 | Menetelmä muurahaishapon talteenottamiseksi |
PCT/FI1998/000635 WO1999010595A1 (en) | 1997-08-22 | 1998-08-18 | Method for the recovery of formic acid |
Publications (2)
Publication Number | Publication Date |
---|---|
BR9811343A BR9811343A (pt) | 2000-09-12 |
BR9811343B1 true BR9811343B1 (pt) | 2008-11-18 |
Family
ID=8549408
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI9811343-7A BR9811343B1 (pt) | 1997-08-22 | 1998-08-18 | mÉtodo de recuperaÇço de Ácido fàrmico. |
Country Status (13)
Country | Link |
---|---|
US (1) | US6252109B1 (pt) |
EP (1) | EP1005586B1 (pt) |
CN (1) | CN1100915C (pt) |
AT (1) | ATE242354T1 (pt) |
AU (1) | AU744767B2 (pt) |
BR (1) | BR9811343B1 (pt) |
CA (1) | CA2300114C (pt) |
DE (1) | DE69815354T2 (pt) |
DK (1) | DK1005586T3 (pt) |
ES (1) | ES2200360T3 (pt) |
FI (1) | FI108233B (pt) |
PT (1) | PT1005586E (pt) |
WO (1) | WO1999010595A1 (pt) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI108234B (fi) | 2000-02-28 | 2001-12-14 | Chempolis Oy | Menetelmä massan valmistamiseksi |
FI117632B (fi) * | 2001-07-13 | 2006-12-29 | Chempolis Oy | Menetelmä massan valmistamiseksi |
US7604967B2 (en) * | 2003-03-19 | 2009-10-20 | The Trustees Of Dartmouth College | Lignin-blocking treatment of biomass and uses thereof |
US8580541B2 (en) * | 2003-03-19 | 2013-11-12 | The Trustees Of Dartmouth College | Lignin blockers and uses thereof |
US8460901B2 (en) | 2010-05-18 | 2013-06-11 | Georgia Tech Research Corporation | Formic acid treatments of biomass feedstock |
FI123052B (fi) * | 2011-09-23 | 2012-10-15 | Chempolis Oy | Esikäsittelymenetelmä vesiliukoisten sokereiden tuottamiseksi lignoselluloosamateriaalista |
FI126451B (fi) * | 2014-12-23 | 2016-12-15 | Chempolis Oy | Prosessijärjestelmä kemikaalien erottelemiseksi, tislauskolonnijärjestely ja kemikaalien erottelumenetelmä |
CN105294164B (zh) | 2015-12-03 | 2018-01-19 | 歌尔股份有限公司 | 吸音材料颗粒的制备方法和吸音材料颗粒 |
FI130441B (en) | 2020-03-31 | 2023-09-01 | Chempolis Oy | Hydrolysis of cellulose esters |
CN112048933B (zh) * | 2020-09-07 | 2022-11-15 | 齐鲁工业大学 | 化机浆和半化学浆的生产方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI85510C (fi) * | 1990-05-29 | 1992-04-27 | Kemira Oy | Foerfarande foer aotervinning av laegre alifatisk syra. |
-
1997
- 1997-08-22 FI FI973474A patent/FI108233B/fi not_active IP Right Cessation
-
1998
- 1998-08-18 AU AU88096/98A patent/AU744767B2/en not_active Ceased
- 1998-08-18 DE DE69815354T patent/DE69815354T2/de not_active Expired - Lifetime
- 1998-08-18 AT AT98939668T patent/ATE242354T1/de active
- 1998-08-18 CN CN98808384A patent/CN1100915C/zh not_active Expired - Fee Related
- 1998-08-18 WO PCT/FI1998/000635 patent/WO1999010595A1/en active IP Right Grant
- 1998-08-18 DK DK98939668T patent/DK1005586T3/da active
- 1998-08-18 PT PT98939668T patent/PT1005586E/pt unknown
- 1998-08-18 CA CA002300114A patent/CA2300114C/en not_active Expired - Fee Related
- 1998-08-18 EP EP98939668A patent/EP1005586B1/en not_active Expired - Lifetime
- 1998-08-18 ES ES98939668T patent/ES2200360T3/es not_active Expired - Lifetime
- 1998-08-18 BR BRPI9811343-7A patent/BR9811343B1/pt not_active IP Right Cessation
-
2000
- 2000-02-09 US US09/501,565 patent/US6252109B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2300114C (en) | 2007-03-20 |
WO1999010595A1 (en) | 1999-03-04 |
EP1005586A1 (en) | 2000-06-07 |
ES2200360T3 (es) | 2004-03-01 |
AU744767B2 (en) | 2002-03-07 |
EP1005586B1 (en) | 2003-06-04 |
ATE242354T1 (de) | 2003-06-15 |
FI973474A0 (fi) | 1997-08-22 |
AU8809698A (en) | 1999-03-16 |
CN1267344A (zh) | 2000-09-20 |
DK1005586T3 (da) | 2003-09-22 |
FI973474A (fi) | 1999-02-23 |
US6252109B1 (en) | 2001-06-26 |
FI108233B (fi) | 2001-12-14 |
DE69815354T2 (de) | 2004-05-13 |
PT1005586E (pt) | 2003-10-31 |
CA2300114A1 (en) | 1999-03-04 |
DE69815354D1 (de) | 2003-07-10 |
CN1100915C (zh) | 2003-02-05 |
BR9811343A (pt) | 2000-09-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B15K | Others concerning applications: alteration of classification |
Free format text: ALTERADA DE INT. CL. 8: C07C 51/42, C07C 51/09, D21C 3/20, D21C 11/00 Ipc: C07C 51/42, C07C 51/09, D21C 3/20, D21C 11/00 |
|
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 18/11/2008, OBSERVADAS AS CONDICOES LEGAIS. |
|
B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE A 17A ANUIDADE. |
|
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 2319 DE 16-06-2015 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. |