BRPI0307487A2 - processo de oligomerização de ácido láctico - Google Patents
processo de oligomerização de ácido lácticoInfo
- Publication number
- BRPI0307487A2 BRPI0307487A2 BRPI0307487A BR0307487A BRPI0307487A2 BR PI0307487 A2 BRPI0307487 A2 BR PI0307487A2 BR PI0307487 A BRPI0307487 A BR PI0307487A BR 0307487 A BR0307487 A BR 0307487A BR PI0307487 A2 BRPI0307487 A2 BR PI0307487A2
- Authority
- BR
- Brazil
- Prior art keywords
- lactic acid
- oligomerization process
- acid oligomerization
- lactic
- oligomerization
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2455—Stationary reactors without moving elements inside provoking a loop type movement of the reactants
- B01J19/2465—Stationary reactors without moving elements inside provoking a loop type movement of the reactants externally, i.e. the mixture leaving the vessel and subsequently re-entering it
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/009—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in combination with chemical reactions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/465—Preparation of carboxylic acid esters by oligomerisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
- B01J2219/00094—Jackets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00182—Controlling or regulating processes controlling the level of reactants in the reactor vessel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0201549A FR2835832B1 (fr) | 2002-02-08 | 2002-02-08 | Procede d'oligomerisation d'acide lactique |
| PCT/FR2003/000305 WO2003066187A1 (fr) | 2002-02-08 | 2003-01-31 | Procede d'oligomerisation d'acide lactique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BRPI0307487A2 true BRPI0307487A2 (pt) | 2016-11-08 |
Family
ID=27620016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0307487A BRPI0307487A2 (pt) | 2002-02-08 | 2003-01-31 | processo de oligomerização de ácido láctico |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US20050080201A1 (pt) |
| EP (1) | EP1476237A1 (pt) |
| JP (1) | JP2005516999A (pt) |
| KR (1) | KR20040089610A (pt) |
| CN (2) | CN1846825A (pt) |
| AU (1) | AU2003222349A1 (pt) |
| BR (1) | BRPI0307487A2 (pt) |
| CA (1) | CA2474720A1 (pt) |
| FR (1) | FR2835832B1 (pt) |
| MX (1) | MXPA04007669A (pt) |
| WO (1) | WO2003066187A1 (pt) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009293001A (ja) * | 2008-06-02 | 2009-12-17 | Lactive Japan:Kk | 乳酸による植物からの脂溶性色素の抽出と乳酸を含む抽出液の製造法およびこの抽出液を含有する飲料ならびに食品ならびに医薬品ならびに化粧品 |
| DE102009031053A1 (de) * | 2009-06-30 | 2011-01-13 | Clariant International Ltd. | Kontinuierliches Verfahren zur Herstellung von Estern aliphatischer Carbonsäuren |
| DK2275399T3 (da) * | 2009-07-16 | 2013-11-11 | Purac Biochem Bv | Flydende mælkesyresammensætning og fremgangsmåde til fremstilling deraf |
| CN106220501A (zh) * | 2016-08-25 | 2016-12-14 | 江苏九天高科技股份有限公司 | 一种蒸汽渗透脱水技术用于合成乳酸乙酯的方法与装置 |
| CN108219120B (zh) * | 2017-12-28 | 2020-11-03 | 河南金丹乳酸科技股份有限公司 | 寡聚d-乳酸生产工艺 |
| CN114712877B (zh) * | 2022-04-15 | 2023-06-06 | 南京佳华科技股份有限公司 | 一种采用热耦合技术制备电子级气体的方法及设备 |
| WO2024110978A1 (en) * | 2022-11-23 | 2024-05-30 | Praj Industries Limited | Oligomerization of α-hydroxy acids |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE826749C (de) * | 1950-02-05 | 1952-01-03 | Teerverwertung M B H Ges | Adiabatische Kolonne |
| CA1015894A (en) * | 1973-03-05 | 1977-08-16 | Kalev Pugi | Preparation of polyamides by continuous polymerization |
| US4019866A (en) * | 1973-03-05 | 1977-04-26 | Du Pont Of Canada Limited | Recirculating reaction apparatus for continuous preparation of a polyamide |
| TW227561B (pt) * | 1992-03-13 | 1994-08-01 | Du Pont | |
| FR2743080B1 (fr) * | 1995-12-27 | 1998-02-06 | Inst Francais Du Petrole | Procede de reduction selective de la teneur en benzene et en composes insatures legers d'une coupe d'hydrocarbures |
| JP3301311B2 (ja) * | 1996-05-24 | 2002-07-15 | 株式会社神戸製鋼所 | ２−ヒドロキシカルボン酸オリゴマーの連続製造方法 |
| FR2802923B1 (fr) * | 1999-12-28 | 2002-03-08 | Roquette Freres | Procede de preparation d'une composition d'ester d'acide lactique et son utilisation en tant que solvant |
-
2002
- 2002-02-08 FR FR0201549A patent/FR2835832B1/fr not_active Expired - Fee Related
-
2003
- 2003-01-31 CN CNA200610055069XA patent/CN1846825A/zh active Pending
- 2003-01-31 EP EP03717364A patent/EP1476237A1/fr not_active Withdrawn
- 2003-01-31 CA CA002474720A patent/CA2474720A1/fr not_active Abandoned
- 2003-01-31 MX MXPA04007669A patent/MXPA04007669A/es active IP Right Grant
- 2003-01-31 AU AU2003222349A patent/AU2003222349A1/en not_active Abandoned
- 2003-01-31 BR BRPI0307487A patent/BRPI0307487A2/pt not_active IP Right Cessation
- 2003-01-31 JP JP2003565607A patent/JP2005516999A/ja not_active Abandoned
- 2003-01-31 KR KR10-2004-7012270A patent/KR20040089610A/ko not_active Application Discontinuation
- 2003-01-31 CN CNA038035790A patent/CN1630545A/zh active Pending
- 2003-01-31 WO PCT/FR2003/000305 patent/WO2003066187A1/fr active Application Filing
- 2003-01-31 US US10/503,375 patent/US20050080201A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| EP1476237A1 (fr) | 2004-11-17 |
| CN1630545A (zh) | 2005-06-22 |
| MXPA04007669A (es) | 2005-11-17 |
| FR2835832B1 (fr) | 2004-03-19 |
| JP2005516999A (ja) | 2005-06-09 |
| CA2474720A1 (fr) | 2003-08-14 |
| WO2003066187A1 (fr) | 2003-08-14 |
| KR20040089610A (ko) | 2004-10-21 |
| WO2003066187A8 (fr) | 2004-09-23 |
| US20050080201A1 (en) | 2005-04-14 |
| AU2003222349A1 (en) | 2003-09-02 |
| FR2835832A1 (fr) | 2003-08-15 |
| CN1846825A (zh) | 2006-10-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B06H | Technical and formal requirements: requirement cancelled [chapter 6.8 patent gazette] |
Free format text: ANULADA A EXIGENCIA 6.7 PUBLICADA NA RPI 1871 DE 14/11/2006 POR TER SIDO INDEVIDA. |
|
| B08F | Application fees: application dismissed [chapter 8.6 patent gazette] |
Free format text: REFERENTE AS ANUIDADES EM DEBITO. |
|
| B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |