BR9302987A - Metodo de recuperacao de carbonato de propileno - Google Patents
Metodo de recuperacao de carbonato de propilenoInfo
- Publication number
- BR9302987A BR9302987A BR9302987A BR9302987A BR9302987A BR 9302987 A BR9302987 A BR 9302987A BR 9302987 A BR9302987 A BR 9302987A BR 9302987 A BR9302987 A BR 9302987A BR 9302987 A BR9302987 A BR 9302987A
- Authority
- BR
- Brazil
- Prior art keywords
- alkylene carbonate
- cyclic alkylene
- carbonate
- fraction
- effluent
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 title abstract 3
- 238000011084 recovery Methods 0.000 title abstract 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 12
- 125000002947 alkylene group Chemical group 0.000 abstract 11
- 125000004122 cyclic group Chemical group 0.000 abstract 11
- 239000000463 material Substances 0.000 abstract 4
- 229920002120 photoresistant polymer Polymers 0.000 abstract 4
- -1 propylene carbonate Chemical compound 0.000 abstract 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract 3
- 239000007787 solid Substances 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 abstract 2
- 238000009835 boiling Methods 0.000 abstract 1
- 150000005676 cyclic carbonates Chemical class 0.000 abstract 1
- 238000005194 fractionation Methods 0.000 abstract 1
- 230000007062 hydrolysis Effects 0.000 abstract 1
- 238000006460 hydrolysis reaction Methods 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 239000003039 volatile agent Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
- C07D317/32—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D317/34—Oxygen atoms
- C07D317/36—Alkylene carbonates; Substituted alkylene carbonates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Polyesters Or Polycarbonates (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/925,349 US5281723A (en) | 1992-08-04 | 1992-08-04 | Propylene carbonate recovery process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9302987A true BR9302987A (pt) | 1994-03-01 |
Family
ID=25451601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9302987A BR9302987A (pt) | 1992-08-04 | 1993-07-26 | Metodo de recuperacao de carbonato de propileno |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5281723A (pt) |
| EP (1) | EP0582538B1 (pt) |
| JP (1) | JPH0819119B2 (pt) |
| AT (1) | ATE196902T1 (pt) |
| BR (1) | BR9302987A (pt) |
| CA (1) | CA2094407C (pt) |
| DE (1) | DE69329537T2 (pt) |
| ES (1) | ES2151501T3 (pt) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5571417A (en) * | 1991-10-22 | 1996-11-05 | International Business Machines Corporation | Method for treating photolithographic developer and stripper waste streams containing resist or solder mask and gamma butyrolactone or benzyl alcohol |
| DE4318892A1 (de) * | 1993-06-07 | 1994-12-08 | Bayer Ag | Verfahren zur Herstellung von Propylenglykolcarbonat |
| US5994597A (en) * | 1998-11-06 | 1999-11-30 | International Business Machines Corporation | Process for recovering high boiling solvents from a photolithographic waste stream comprising less than 10 percent by weight monomeric units |
| US6187965B1 (en) | 1998-11-06 | 2001-02-13 | International Business Machines Corporation | Process for recovering high boiling solvents from a photolithographic waste stream comprising at least 10 percent by weight of monomeric units |
| US6423290B1 (en) | 2000-05-31 | 2002-07-23 | International Business Machines Corporation | Method for recovering an organic solvent from an acidic waste stream such as in integrated chip manufacturing |
| US6946055B2 (en) * | 2001-08-22 | 2005-09-20 | International Business Machines Corporation | Method for recovering an organic solvent from a waste stream containing supercritical CO2 |
| JP6045283B2 (ja) * | 2012-10-11 | 2016-12-14 | 日本リファイン株式会社 | レジスト剥離液の再生方法および再生装置 |
| JP6156678B2 (ja) * | 2012-10-11 | 2017-07-05 | パナソニックＩｐマネジメント株式会社 | レジスト剥離液の再生方法および再生装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2766258A (en) * | 1952-05-15 | 1956-10-09 | Jefferson Chem Co Inc | Process for isolation of alkylene carbonates |
| US2894957A (en) * | 1954-10-18 | 1959-07-14 | Union Carbide Corp | Refining of cyclic organic carbonates |
| US3074962A (en) * | 1958-04-22 | 1963-01-22 | Union Carbide Corp | Separation of ethylene carbonate from admixture with ethylene glycol |
| US5007969A (en) * | 1988-05-20 | 1991-04-16 | The Boeing Company | Low toxicity liquid solvent |
-
1992
- 1992-08-04 US US07/925,349 patent/US5281723A/en not_active Expired - Fee Related
-
1993
- 1993-04-20 CA CA002094407A patent/CA2094407C/en not_active Expired - Fee Related
- 1993-06-30 JP JP5160619A patent/JPH0819119B2/ja not_active Expired - Fee Related
- 1993-07-26 BR BR9302987A patent/BR9302987A/pt not_active Application Discontinuation
- 1993-07-30 EP EP93480108A patent/EP0582538B1/en not_active Expired - Lifetime
- 1993-07-30 DE DE69329537T patent/DE69329537T2/de not_active Expired - Fee Related
- 1993-07-30 AT AT93480108T patent/ATE196902T1/de not_active IP Right Cessation
- 1993-07-30 ES ES93480108T patent/ES2151501T3/es not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ATE196902T1 (de) | 2000-10-15 |
| CA2094407C (en) | 1997-04-08 |
| CA2094407A1 (en) | 1994-02-05 |
| JPH0819119B2 (ja) | 1996-02-28 |
| US5281723A (en) | 1994-01-25 |
| EP0582538A3 (pt) | 1994-04-13 |
| EP0582538A2 (en) | 1994-02-09 |
| DE69329537T2 (de) | 2001-06-07 |
| DE69329537D1 (de) | 2000-11-16 |
| JPH06128249A (ja) | 1994-05-10 |
| EP0582538B1 (en) | 2000-10-11 |
| ES2151501T3 (es) | 2001-01-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EE | Request for examination | ||
| FB36 | Technical and formal requirements: requirement - article 36 of industrial property law | ||
| FA8 | Dismissal: dismissal - article 36, par. 1 of industrial property law |