KR920004560A - 환경적으로 안전한 세정 방법 및 그 방법에 사용되는 세정 조성물 - Google Patents
환경적으로 안전한 세정 방법 및 그 방법에 사용되는 세정 조성물 Download PDFInfo
- Publication number
- KR920004560A KR920004560A KR1019910014781A KR910014781A KR920004560A KR 920004560 A KR920004560 A KR 920004560A KR 1019910014781 A KR1019910014781 A KR 1019910014781A KR 910014781 A KR910014781 A KR 910014781A KR 920004560 A KR920004560 A KR 920004560A
- Authority
- KR
- South Korea
- Prior art keywords
- dibasic ester
- liquid hydrocarbon
- cleaning composition
- composition
- hydrocarbon solvent
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims 21
- 238000000034 method Methods 0.000 title claims 15
- 238000004140 cleaning Methods 0.000 title claims 14
- 239000002904 solvent Substances 0.000 claims 12
- 239000004215 Carbon black (E152) Substances 0.000 claims 10
- 229930195733 hydrocarbon Natural products 0.000 claims 10
- 150000002430 hydrocarbons Chemical class 0.000 claims 10
- 239000007788 liquid Substances 0.000 claims 10
- QYMFNZIUDRQRSA-UHFFFAOYSA-N dimethyl butanedioate;dimethyl hexanedioate;dimethyl pentanedioate Chemical compound COC(=O)CCC(=O)OC.COC(=O)CCCC(=O)OC.COC(=O)CCCCC(=O)OC QYMFNZIUDRQRSA-UHFFFAOYSA-N 0.000 claims 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 8
- 239000000758 substrate Substances 0.000 claims 6
- 239000000356 contaminant Substances 0.000 claims 5
- 239000003995 emulsifying agent Substances 0.000 claims 5
- -1 diisobutyl dibasic ester Chemical compound 0.000 claims 4
- UWNADWZGEHDQAB-UHFFFAOYSA-N i-Pr2C2H4i-Pr2 Natural products CC(C)CCC(C)C UWNADWZGEHDQAB-UHFFFAOYSA-N 0.000 claims 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 125000001931 aliphatic group Chemical group 0.000 claims 2
- 239000003112 inhibitor Substances 0.000 claims 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 2
- 150000003505 terpenes Chemical class 0.000 claims 2
- 235000007586 terpenes Nutrition 0.000 claims 2
- 239000004519 grease Substances 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 238000005191 phase separation Methods 0.000 claims 1
- 238000004064 recycling Methods 0.000 claims 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
- C23G5/02—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents
- C23G5/032—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents containing oxygen-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/43—Solvents
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/50—Solvents
- C11D7/5004—Organic solvents
- C11D7/5022—Organic solvents containing oxygen
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
- C23G5/02—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents
- C23G5/024—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents containing hydrocarbons
-
- C11D2111/16—
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/24—Hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
- C11D7/266—Esters or carbonates
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (20)
- (a)제1기판의 표면에 세정 조성물을 도포하는 단계,(b)그 기판의 표면을 물로 헹구어 오염물 및 세정 조성물을 제거하는 단계, (c)오염물, 세정 조성물 및 헹굼물의 혼합물을 수거하여 오염물을 함유하는 세정 조성물을 물로부터 분리하는 단계, (d)헹굼단계중 (c)단계로 부터의 물의 적어도 일부를 세정 조성물이 도포된 제2기판상으로 재순환시키는 이 세정 조성물은 100℉이상의 인화점을 갖는 액체 탄화수소 용매, 이 용매를 위한 유화제, 및 2염기성 에스테르로 이루어지며, 이 세정 조성물은, 용매, 유화제 및 2염기성 에스테르를 기준으로 우세하게 많은 액체 탄화수소 용매를 함유하며, 이 세정 조성물은 물과 혼합될때 상분리능을 갖고 있음을 특징으로 하는 기판 표면으로부터 오염물을 제거하는 방법.
- 제1항에 있어서, 테르펜이 액체 탄화수소 용매의 정의에서 제외되는 것을 특징으로 하는 방법.
- 제2항에 있어서, 액체 탄화수소 용매가 지방족임을 특징으로 하는 방법.
- 제1항에 있어서, 2염기성 에스테르가 디이소부틸 2염기성 에스테르임을 특징으로 하는 방법.
- 제3항에 있어서, 2염기성 에스테르가 디이소부틸 2염기성 에스테르임을 특징으로 하는 방법.
- 제1항에 있어서, (a)단계의 세정 조성물에 사실상 물이 존재하지 않음을 특징으로 하는 방법.
- 제1항에 있어서, (a)단계의 세정 조성물에 물이 존재함을 특징으로 하는 방법.
- 제1항에 있어서, 조성물이 액체 탄화수소 용매, 유화제 및 2염기성 에스테르의 중량을 기준으로 i)51 내지 95중량%의 액체 탄화수소 용매, ii)1내지 25중량%의 유화제, iii)1내지 25중량%의 2염기성 에스테르를 함유함을 특징으로 하는 방법.
- 제8항에 있어서, i)이 80내지 90%의 양으로 존재하고, ii)가 5내지 12%의 양으로 존재하고, iii)이 1내지 8%의 양으로 존재하는 방법.
- 제6항에 있어서, 2염기성 에스테르가 디이소부틸 2염기성 에스테르임을 특징으로 하는 방법.
- 제1항에 있어서, 기판이 금속임을 특징으로 하는 방법.
- 제1항에 있어서, 오염물이 오일 또는 그리스임을 특징으로 하는 방법.
- 제1항에 있어서, 기판이 철을 함유하고, 세정 조성물이 녹방지제를 함유함을 특징으로 하는 방법.
- 제1항에 있어서, (c)단계 후의 세척 조성물의 적어도 일부가 소각됨을 특징으로 하는 방법.
- 성분(i),(ii)및 (iii)의 중량을 기준으로 i)100℉이상의 인화점을 갖는 액체 탄화수소 용매 51 내지 95중량%, ii)액체탄화 수소용매를 위한 유화제 1 내지 25중량%, iii)2염기성 에스테르 1 내지 25 중량%를 함유하는, 물 존재하에 분리된 상을 형성하는 능력을 갖는 세정 조성물.
- 제15항에 있어서, i)이 80내지 90%의 양으로 존재하고, ii)가 5내지 12%의 양으로 존재하고, iii)이 1 내지 8%의 양으로 존재하고 조성물.
- 제15항에 있어서, 테르펜이 액체 탄화수소 용매의 정의에서 제외됨을 특징으로 하는 조성물.
- 제15항에 있어서, 액체 탄화수소 용매가 지방족임을 특징으로 하는 조성물.
- 제15항에 있어서, 2염기성 에스테르가 디이소부틸 2염기성 에스테르임을 특징으로 하는 조성물.
- 제15항에 있어서, 녹 방지제를 함유함을 특징으로 하는 조성물.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US573,602 | 1990-08-27 | ||
US07/573,602 US5096501A (en) | 1990-08-27 | 1990-08-27 | Environmentally safe cleaning process and cleaning composition useful therein |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920004560A true KR920004560A (ko) | 1992-03-27 |
KR960000598B1 KR960000598B1 (ko) | 1996-01-09 |
Family
ID=24292661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019910014781A KR960000598B1 (ko) | 1990-08-27 | 1991-08-26 | 환경적으로 안전한 세정 방법 및 그 방법에 사용되는 세정 조성물 |
Country Status (8)
Country | Link |
---|---|
US (1) | US5096501A (ko) |
EP (1) | EP0474053B1 (ko) |
JP (1) | JP3135142B2 (ko) |
KR (1) | KR960000598B1 (ko) |
CN (1) | CN1037979C (ko) |
CA (1) | CA2049594C (ko) |
DE (1) | DE69121149T2 (ko) |
SG (1) | SG48412A1 (ko) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0559826A4 (en) * | 1990-12-07 | 1993-10-27 | Golden Technologies Company, Inc. | Method for finishing metal surfaces with terpene |
JP2614980B2 (ja) * | 1991-06-14 | 1997-05-28 | ペトロファーム インコーポレイテッド | ロジンハンダ付用フラックスをテルペン及び炭化水素で除去するための組成物及び方法 |
JP2610552B2 (ja) * | 1991-10-04 | 1997-05-14 | 花王株式会社 | 洗浄方法 |
US6355113B1 (en) | 1991-12-02 | 2002-03-12 | 3M Innovative Properties Company | Multiple solvent cleaning system |
DE4206058A1 (de) * | 1992-02-27 | 1993-09-02 | Kabelmetal Ag | Verfahren zum entfetten von langgestreckten metallischen gegenstaenden |
US5783551A (en) * | 1992-04-29 | 1998-07-21 | Mirsky; Jeffrey | Paraffinic cleaning solutions |
DE4228096A1 (de) * | 1992-08-26 | 1994-03-03 | Gfr Ges Fuer Recycling Mbh | Verfahren und Vorrichtung zur Behandlung von flüssigen Medien |
DE4327582C1 (de) * | 1993-08-17 | 1994-10-06 | Hewlett Packard Gmbh | Verfahren zum Herstellen von Kunststoffteilen aus fluorhaltigen Polymeren für den Einsatz in einem analytischen Messgerät und nach dem Verfahren hergestellte Kunststoffteile |
JP3452406B2 (ja) * | 1993-10-07 | 2003-09-29 | 有限会社ケントス | 有機系付着物の除去性能を有する組成物 |
US5634984A (en) * | 1993-12-22 | 1997-06-03 | Union Oil Company Of California | Method for cleaning an oil-coated substrate |
US5423922A (en) * | 1994-04-25 | 1995-06-13 | Reynolds Metals Company | Delacquering of aluminum cans for recycling |
JP2736365B2 (ja) * | 1994-10-13 | 1998-04-02 | 花王株式会社 | 洗浄方法および洗浄剤 |
AU4140096A (en) * | 1994-11-14 | 1996-06-06 | Occidental Chemical Corporation | Single phase liquid composition for cleaning and paint stripping |
US5614482A (en) * | 1995-02-27 | 1997-03-25 | Parker Sales, Inc. | Lubricant composition for treatment of non-ferrous metals and process using same |
GB9505055D0 (en) * | 1995-03-09 | 1995-05-03 | Dow Europ Sa | Cleaning process and apparatus |
US5876510A (en) * | 1995-03-09 | 1999-03-02 | The Dow Chemical Company | Process for cleaning articles |
FR2733247B1 (fr) * | 1995-04-20 | 1997-06-13 | Atochem Elf Sa | Agent de nettoyage a base de cycloalcanes |
US5712237A (en) * | 1995-11-27 | 1998-01-27 | Stevens; Edwin B. | Composition for cleaning textiles |
FR2751899B1 (fr) * | 1996-08-01 | 1998-10-23 | Rhone Poulenc Chimie | Procede de degraissage avec une composition exempte de tensioactifs |
DE19654024A1 (de) * | 1996-12-21 | 1998-06-25 | Theodor Spilles | Verfahren und Lösungsmittel zum Entfernen einer wachshaltigen Schutzschicht von einem Gegenstand |
US5958149A (en) * | 1998-09-17 | 1999-09-28 | S. C. Johnson & Son, Inc. | Method of cleaning surfaces, composition suitable for use in the method, and of preparing the composition |
US6544942B1 (en) * | 2000-04-28 | 2003-04-08 | Ecolab Inc. | Phase-separating solvent composition |
EP1276372B1 (en) * | 2000-04-28 | 2005-10-19 | Ecolab Inc. | Antimicrobial composition |
US6296718B1 (en) * | 2001-01-26 | 2001-10-02 | Samuel Lee Miles | Environmentally friendly method of paint stripping reject painted parts, with no base metal attack |
US20050250405A1 (en) * | 2004-05-05 | 2005-11-10 | Bba Nonwovens Simpsonville, Inc. | Nonwoven fabric for cleaning printing machines |
US20060264350A1 (en) * | 2004-05-05 | 2006-11-23 | Bba Nonwovens Simpsonville Inc. | Printing blanket cleaning material |
US7037882B2 (en) * | 2004-05-05 | 2006-05-02 | Bba Nonwovens Simpsonville, Inc. | Composition and material for cleaning printing machines |
US7588645B2 (en) * | 2005-04-15 | 2009-09-15 | Ecolab Inc. | Stripping floor finishes using composition that thickens following dilution with water |
US7365046B2 (en) * | 2005-04-15 | 2008-04-29 | Ecolab Inc. | Method for stripping floor finishes using composition that thickens upon dilution with water |
US7708904B2 (en) * | 2005-09-09 | 2010-05-04 | Saint-Gobain Ceramics & Plastics, Inc. | Conductive hydrocarbon fluid |
US20080280802A1 (en) * | 2007-05-11 | 2008-11-13 | Raymond Dabela | Printing press cleaning |
CA2687271C (en) * | 2007-05-11 | 2016-08-16 | Explorer Pressroom Solutions | Printing press cleaning compositions |
US8207103B2 (en) * | 2007-05-11 | 2012-06-26 | Explorer Pressroom Solutions, Inc. | Printing press cleaning compositions |
US20100022417A1 (en) * | 2007-08-24 | 2010-01-28 | Acunto John P | Composition and Method for the Removal or Control of Paraffin Wax and/or Asphaltine Deposits |
CA2723919A1 (en) * | 2008-05-09 | 2009-11-12 | Rhodia Operations | Cleaning compositions incorporating green solvents and methods for use |
FR2941462B1 (fr) | 2009-01-23 | 2013-07-05 | Rhodia Operations | Composition decapante |
CN101565831B (zh) * | 2009-04-30 | 2012-01-18 | 深圳市科玺化工有限公司 | 可循环再生利用的水基清洗剂及其循环再生工艺 |
EP3341462B1 (en) * | 2015-08-28 | 2019-08-07 | Technische Universiteit Eindhoven | Process for cleaning contaminated plastic material for recycling |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3764265A (en) * | 1969-02-18 | 1973-10-09 | Fijalkowski A Mlot | Method for the removal of penetrants in a closed system |
GB1381591A (en) * | 1971-01-26 | 1975-01-22 | Exxon Research Engineering Co | Removing contaminating liquids from minerals ores and metal scrap |
DE2713516A1 (de) * | 1977-03-26 | 1978-09-28 | Tri Innovations Ab | Vorrichtung zum entfetten von gegenstaenden |
GB8409055D0 (en) * | 1984-04-07 | 1984-05-16 | Procter & Gamble | Cleaning compositions |
US4640719A (en) * | 1985-07-01 | 1987-02-03 | Petroleum Fermentations N.V. | Method for printed circuit board and/or printed wiring board cleaning |
US4673524A (en) * | 1986-05-16 | 1987-06-16 | Dean Ralph R | Cleaner composition |
US4780235A (en) * | 1987-04-16 | 1988-10-25 | E. I. Du Pont De Nemours And Company | Paint remover |
DE3713702C1 (de) * | 1987-04-24 | 1988-05-11 | Freudenberg Carl Fa | Mittel zum Reinigen von Verarbeitungsanlagen fuer reaktive isocyanathaltige Mehrkomponentengemische |
US4828709A (en) * | 1987-08-17 | 1989-05-09 | Houser Jack L | Recirculating shower using limited water supply |
US4934391A (en) * | 1988-02-08 | 1990-06-19 | 501 Petroleum Fermentations N.V. | Dibasic esters for cleaning electronic circuits |
US4867800B1 (en) * | 1988-07-21 | 1995-02-14 | Du Pont | Cleaning composition of terpene compound and dibasic ester |
DE69004521T2 (de) * | 1989-08-07 | 1994-05-05 | Du Pont | Reinigungsmittel auf der Basis eines dibasischen Esters und eines Kohlenwasserstofflösungsmittels und Reinigungsverfahren. |
-
1990
- 1990-08-27 US US07/573,602 patent/US5096501A/en not_active Expired - Lifetime
-
1991
- 1991-08-21 CA CA002049594A patent/CA2049594C/en not_active Expired - Fee Related
- 1991-08-23 SG SG1996009478A patent/SG48412A1/en unknown
- 1991-08-23 EP EP91114117A patent/EP0474053B1/en not_active Expired - Lifetime
- 1991-08-23 DE DE69121149T patent/DE69121149T2/de not_active Expired - Fee Related
- 1991-08-26 JP JP03213494A patent/JP3135142B2/ja not_active Expired - Fee Related
- 1991-08-26 KR KR1019910014781A patent/KR960000598B1/ko not_active IP Right Cessation
- 1991-08-27 CN CN91105985A patent/CN1037979C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0474053A1 (en) | 1992-03-11 |
KR960000598B1 (ko) | 1996-01-09 |
JPH04232288A (ja) | 1992-08-20 |
CA2049594A1 (en) | 1992-02-28 |
CN1037979C (zh) | 1998-04-08 |
DE69121149T2 (de) | 1997-02-13 |
EP0474053B1 (en) | 1996-07-31 |
CN1059365A (zh) | 1992-03-11 |
CA2049594C (en) | 2001-07-24 |
JP3135142B2 (ja) | 2001-02-13 |
DE69121149D1 (de) | 1996-09-05 |
SG48412A1 (en) | 1998-04-17 |
US5096501A (en) | 1992-03-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR920004560A (ko) | 환경적으로 안전한 세정 방법 및 그 방법에 사용되는 세정 조성물 | |
US5340493A (en) | Low-volatility cleaning compositions for printing inks | |
US5393451A (en) | High temperature flashpoint, stable cleaning composition | |
US4040866A (en) | Laundering of oil base mud cuttings | |
KR960701189A (ko) | 세정 조성물 및 이의 사용방법(cleaning compositions and method of use) | |
BR9714690A (pt) | Composição e processo para remover sujeiras hidrófobas de uma superfìcie | |
DK434983D0 (da) | Fremgangsmade til rensning af brugt motorolie eller syntetisk raolie | |
DE59908537D1 (de) | Verfahren zur wiederaufarbeitung von altölen | |
KR910004290A (ko) | 세정 조성물 및 이를 이용하여 지지체 표면의 잔류물을 감소 시키는 방법 | |
US5599783A (en) | Cleaning solvent composition and a method for cleaning or drying articles | |
US5415800A (en) | Cleanser for releasing adherent deposits from surfaces | |
JPH02298565A (ja) | 二塩基酸エステルを含む改良水中油型乳剤を使用する塗料の非粘着化方法 | |
BG103577A (en) | Highly resultive method and plant for lubricating oil recycling | |
US5783551A (en) | Paraffinic cleaning solutions | |
KR940703940A (ko) | 제품의 세척 방법 및 세척 조성물(method and composition for cleaning articles) | |
US5405547A (en) | Non-chlorinated cleaner-drier | |
JP3089089B2 (ja) | 洗浄剤組成物 | |
KR0182375B1 (ko) | 청정화 물품의 제조방법 | |
ATE153869T1 (de) | Verfahren zur rückgewinnung von ethylenglycol bei der entsorgung von glycolhaltigen betriebsflüssigkeiten | |
JP3246694B2 (ja) | 物品の洗浄方法 | |
US5817187A (en) | Composition for grease removal | |
JP3564773B2 (ja) | 水溶性有機溶剤の回収方法 | |
JP2001137792A (ja) | 洗浄方法 | |
KR930009211B1 (ko) | 페인트의 박리 세정제 조성물 | |
JP3582886B2 (ja) | 光学部品用洗浄剤 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
G160 | Decision to publish patent application | ||
N231 | Notification of change of applicant | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 19991223 Year of fee payment: 5 |
|
LAPS | Lapse due to unpaid annual fee |