IT1002419B - Processo continuo in sospensione per la produzione di acidi poli carbossilici aromatici - Google Patents
Processo continuo in sospensione per la produzione di acidi poli carbossilici aromaticiInfo
- Publication number
- IT1002419B IT1002419B IT32385/73A IT3238573A IT1002419B IT 1002419 B IT1002419 B IT 1002419B IT 32385/73 A IT32385/73 A IT 32385/73A IT 3238573 A IT3238573 A IT 3238573A IT 1002419 B IT1002419 B IT 1002419B
- Authority
- IT
- Italy
- Prior art keywords
- suspension
- production
- continuous process
- aromatic carboxylic
- poly acids
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/41—Preparation of salts of carboxylic acids
- C07C51/412—Preparation of salts of carboxylic acids by conversion of the acids, their salts, esters or anhydrides with the same carboxylic acid part
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/41—Preparation of salts of carboxylic acids
- C07C51/416—Henkel reaction and related reactions, i.e. rearrangement of carboxylate salt groups linked to six-membered aromatic rings, in the absence or in the presence of CO or CO2, (e.g. preparation of terepholates from benzoates); no additional classification for the subsequent hydrolysis of the salt groups has to be given
-
- 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
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/584—Recycling of catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US321523A US3873609A (en) | 1973-01-05 | 1973-01-05 | Continuous slurry process for formation of aromatic polycarboxylic acids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1002419B true IT1002419B (it) | 1976-05-20 |
Family
ID=23250953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT32385/73A IT1002419B (it) | 1973-01-05 | 1973-12-28 | Processo continuo in sospensione per la produzione di acidi poli carbossilici aromatici |
Country Status (25)
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2373509A1 (fr) * | 1976-12-09 | 1978-07-07 | Rhone Poulenc Ind | Procede de rearrangement en continu de sel alcalin d'acide carboxylique aromatique sous pression d'anhydride carbonique |
| US4357257A (en) * | 1978-04-06 | 1982-11-02 | Phillips Petroleum Company | Low viscosity slurry and method of preparing same |
| US4356105A (en) * | 1978-04-06 | 1982-10-26 | Phillips Petroleum Company | Low viscosity slurry and method of preparing same |
| US4435596A (en) | 1978-04-06 | 1984-03-06 | Phillips Petroleum Company | Process of producing terephthalic acid |
| US4430511A (en) | 1978-04-06 | 1984-02-07 | Phillips Petroleum Company | Method for producing terephthalic acid |
| JPS6141792Y2 (US08063081-20111122-C00115.png) * | 1978-11-30 | 1986-11-27 | ||
| US4263451A (en) * | 1979-10-15 | 1981-04-21 | Phillips Petroleum Company | Removing carbonaceous contaminant from zinc oxide |
| JP2545103B2 (ja) * | 1987-12-17 | 1996-10-16 | 三井石油化学工業株式会社 | テレフタル酸スラリ―の分散媒交換方法 |
| FR2672049A1 (fr) * | 1991-01-30 | 1992-07-31 | Benzaria Jacques | Procede de fabrication de terephtalate de metal alcalin ou alcalino-terreux ou de l'acide terephilique de purete elevee. |
| US5580905A (en) * | 1994-04-28 | 1996-12-03 | United Resource Recovery Corporation | Process for recycling polyesters |
| US5958987A (en) * | 1996-04-10 | 1999-09-28 | The Coca-Cola Company | Process for separating polyester from other materials |
| US7070624B2 (en) * | 2001-06-19 | 2006-07-04 | United Resource Recovery Corporation | Process for separating polyester from other materials |
| US7098299B1 (en) * | 2005-03-16 | 2006-08-29 | United Resource Recovery Corporation | Separation of contaminants from polyester materials |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL206812A (US08063081-20111122-C00115.png) * | 1955-05-04 | |||
| DE1144254B (de) * | 1961-07-08 | 1963-02-28 | Basf Ag | Verfahren zur Herstellung von Alkalisalzen cyclischer Carbonsaeuren aromatischer Natur durch Erhitzen von Alkalisalzen anderer cyclischer Carbonsaeuren |
| US3781341A (en) * | 1971-06-25 | 1973-12-25 | Phillips Petroleum Co | Disproportionation of alkali metal salts of aromatic carboxylic acids |
| BE788491A (fr) * | 1971-06-25 | 1973-03-07 | Phillips Petroleum Co | Procede de preparation de boues des sels metalliques a partir de solutions de sels metalliques d'acides carboxyliques et nouveaux produits ainsi obtenus |
| BE788647A (fr) * | 1971-06-25 | 1973-03-12 | Phillips Petroleum Co | Procede de production de sels metalliques d'acides carboxyliques aromatiques et de disproportionnement de ces sels et nouveaux produits ainsi obtenus |
-
1973
- 1973-01-05 US US321523A patent/US3873609A/en not_active Expired - Lifetime
- 1973-07-16 CA CA176,564A patent/CA999877A/en not_active Expired
- 1973-08-15 AU AU59246/73A patent/AU5924673A/en not_active Expired
- 1973-08-16 ZA ZA735608A patent/ZA735608B/xx unknown
- 1973-08-17 IN IN1905/CAL/73A patent/IN139337B/en unknown
- 1973-09-07 AR AR249971A patent/AR197059A1/es active
- 1973-09-11 BR BR7007/73A patent/BR7307007D0/pt unknown
- 1973-09-12 JP JP48102993A patent/JPS5247451B2/ja not_active Expired
- 1973-11-13 BE BE137704A patent/BE807267A/xx unknown
- 1973-12-03 LU LU68911A patent/LU68911A1/xx unknown
- 1973-12-28 IT IT32385/73A patent/IT1002419B/it active
-
1974
- 1974-01-02 DE DE19742400012 patent/DE2400012B2/de active Granted
- 1974-01-03 ES ES421979A patent/ES421979A1/es not_active Expired
- 1974-01-04 CH CH6874A patent/CH584179A5/xx not_active IP Right Cessation
- 1974-01-04 GB GB38674A patent/GB1436671A/en not_active Expired
- 1974-01-04 HU HUPI402A patent/HU168286B/hu unknown
- 1974-01-04 FR FR7400292A patent/FR2213266B1/fr not_active Expired
- 1974-01-04 SE SE7400079A patent/SE406760B/xx unknown
- 1974-01-04 AT AT4674*#A patent/AT331230B/de not_active IP Right Cessation
- 1974-01-04 NL NLAANVRAGE7400117,A patent/NL171443C/xx active
- 1974-01-04 DD DD175833A patent/DD109374A5/xx unknown
- 1974-01-05 RO RO7400077200A patent/RO63027A/ro unknown
- 1974-01-05 BG BG025438A patent/BG28843A3/xx unknown
- 1974-01-06 PL PL1974167949A patent/PL97498B1/pl unknown
- 1974-01-07 CS CS7485A patent/CS190398B2/cs unknown
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