WO2018012581A1 - 洗浄用溶剤組成物 - Google Patents

洗浄用溶剤組成物 Download PDF

Info

Publication number
WO2018012581A1
WO2018012581A1 PCT/JP2017/025524 JP2017025524W WO2018012581A1 WO 2018012581 A1 WO2018012581 A1 WO 2018012581A1 JP 2017025524 W JP2017025524 W JP 2017025524W WO 2018012581 A1 WO2018012581 A1 WO 2018012581A1
Authority
WO
WIPO (PCT)
Prior art keywords
solvent composition
cleaning solvent
cleaning
trifluoropropene
cis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2017/025524
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
貴之 大和地
章 橋本
井上　学
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dipsol Chemicals Co Ltd
Original Assignee
Dipsol Chemicals Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dipsol Chemicals Co Ltd filed Critical Dipsol Chemicals Co Ltd
Priority to US16/309,374 priority Critical patent/US20190127667A1/en
Priority to EP17827704.2A priority patent/EP3486304A4/en
Priority to CN201780042900.4A priority patent/CN109477046A/zh
Publication of WO2018012581A1 publication Critical patent/WO2018012581A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • C11D7/5013—Organic solvents containing nitrogen
    • 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
    • C11D7/5018—Halogenated 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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0073—Anticorrosion compositions
    • 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
    • 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
    • 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
    • C23G5/036—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 having also nitrogen
    • 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
    • C11D7/267—Heterocyclic 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
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22—Organic compounds
    • C11D7/28—Organic compounds containing halogen
    • C11D7/30—Halogenated 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
    • C11D7/32—Organic compounds containing nitrogen

Definitions

  • the present invention relates to a cleaning solvent composition used as an alternative solvent for chlorofluorocarbon, chlorinated solvents, brominated solvents and hydrocarbon solvents. Specifically, the present invention relates to a cleaning solvent composition that is extremely unlikely to cause ozone destruction or global warming, has no flammability, has little impact on the human body, is highly safe, and can clean an object to be cleaned without rusting. Is.
  • hydrocarbon organic solvents such as chlorofluorocarbon or hydrochlorofluorocarbon
  • chlorinated organic solvents such as chlorofluorocarbon or hydrochlorofluorocarbon
  • fluorinated organic solvents such as chlorofluorocarbon or hydrochlorofluorocarbon
  • hydrocarbon cleaners are flammable and dangerous, and chlorinated and brominated organic solvents have safety problems due to their effects on the human body.
  • fluorinated solvents such as chlorofluorocarbon or hydrochlorofluorocarbon
  • fluorinated solvents is restricted because of environmental problems such as global warming and ozone layer destruction.
  • HFO hydrofluoroolefin
  • GWP global warming potential
  • ozone depletion potential ozone depletion potential
  • One candidate as a cleaning agent for example, JP-A No. 2014-181405.
  • a cleaning agent for example, JP-A No. 2014-181405.
  • cis-1-chloro-3,3,3-trifluoropropene which is one of HFO, has a low boiling point (39.0 ° C.), so that moisture in the air is likely to be mixed into the cleaning liquid.
  • An object of the present invention is to provide a cleaning solvent composition that is highly resistant to ozone destruction and global warming while maintaining cleaning performance and nonflammability, and that has little impact on the human body and high safety. . Furthermore, it aims at providing the solvent composition for washing
  • the present invention is a cleaning solvent composition comprising a cis-1-chloro-3,3,3-trifluoropropene solvent and an additive, wherein the additive is selected from the group consisting of a nitroalkane and an epoxide.
  • a cleaning solvent composition comprising one or more compounds is provided.
  • the present invention it is possible to provide a cleaning solvent composition that is highly resistant to ozone destruction and global warming while maintaining cleaning performance and nonflammability, and that has little impact on the human body and high safety. . Furthermore, it is possible to provide a cleaning solvent composition in which rust does not occur in an object to be cleaned even when water is mixed.
  • the cleaning solvent composition of the present invention can be applied to any of metals, ceramics, plastics, etc. as a substrate to be cleaned, but particularly iron, iron alloys, copper, which may generate rust due to moisture, It is suitable for metal cleaning agents such as copper alloys, and can be used very suitably for cleaning various metal processed products such as precision parts, automobile parts, home appliance parts, and electronic parts.
  • the cleaning solvent composition of the present invention comprises a cis-1-chloro-3,3,3-trifluoropropene solvent and an additive, and the additive is at least one selected from the group consisting of a nitroalkane and an epoxide. Contains compounds.
  • the concentration of the cis-1-chloro-3,3,3-trifluoropropene solvent in the cleaning solvent composition of the present invention is preferably 80 to 99.9 wt%, more preferably 88 to 99.7%. Yes, most preferably 96-99 wt%.
  • the nitroalkane used in the present invention includes C 1 -C 6 saturated aliphatic nitrates such as nitromethane, nitroethane, 1-nitropropane, and 2-nitropropane, and nitroethane is preferred. These nitroalkanes may be used alone or as a mixture of two or more.
  • the concentration of the nitroalkane in the cleaning solvent composition of the present invention is preferably 20 wt% or less, more preferably 12 wt% or less, and most preferably 4 wt% or less in 100 wt% of the cleaning solvent composition. .
  • the concentration of the nitroalkane in the cleaning solvent composition of the present invention is preferably 0.1 wt% or more, more preferably 0.3 wt% or more, most preferably in 100 wt% of the cleaning solvent composition. Is 1 wt% or more.
  • Epoxides used in the present invention include C 1 to C 8 saturated aliphatic epoxides such as epichlorohydrin, propylene oxide, butylene oxide, and pentene oxide, cyclohexene oxide, cyclopentene oxide, C 1 to C 8 saturated aliphatic ether epoxides.
  • the concentration of the epoxide in the cleaning solvent composition of the present invention is preferably 20 wt% or less, more preferably 12 wt% or less, and most preferably 4 wt% or less in 100 wt% of the cleaning solvent composition.
  • the concentration of the epoxide in the cleaning solvent composition of the present invention is preferably 0.1 wt% or more, more preferably 0.3 wt% or more, most preferably 100 wt% of the cleaning solvent composition. 1 wt% or more.
  • the total concentration of nitroalkane and epoxide in the cleaning solvent composition of the present invention is preferably 100 wt% in 100 wt% of the cleaning solvent composition. % Or less, more preferably 12 wt% or less, further preferably 8 wt% or less, and most preferably 4 wt% or less.
  • the total concentration of nitroalkane and epoxide in the cleaning solvent composition of the present invention is preferably 1 wt% or more, more preferably 2 wt% or more, in 100 wt% of the cleaning solvent composition.
  • the cleaning solvent composition of the present invention contains 1 wt% or more and 2 wt% or less of nitroethane and 1 wt% or more and 2 wt% or less of butylene oxide in 100 wt% of the cleaning solvent composition.
  • the cis-1-chloro-3,3,3-trifluoropropene solvent used in the present invention may contain other solvents as long as the detergency and nonflammability can be maintained.
  • Preferred examples of such a solvent include trans-1,2-dichloroethylene and lower aliphatic alcohol. These other solvents can improve the detergency of the cis-1-chloro-3,3,3-trifluoropropene solvent, especially on solid surfaces. Such other solvents may be used in combination.
  • the addition amount of these other solvents is not preferably included excessively.
  • Lower aliphatic alcohols include C 1 -C 3 alcohols such as methanol, ethanol, and isopropanol.
  • the concentration of the lower aliphatic alcohol in the cis-1-chloro-3,3,3-trifluoropropene solvent is 100 wt% of the total amount of cis-1-chloro-3,3,3-trifluoropropene and the lower aliphatic alcohol.
  • the content is preferably 30 wt% or less, more preferably 20 wt%, and further preferably 15 wt% or less.
  • the concentration of the lower aliphatic alcohol in the cis-1-chloro-3,3,3-trifluoropropene solvent is the total amount of cis-1-chloro-3,3,3-trifluoropropene and the lower aliphatic alcohol.
  • 100 wt% it is preferably 1 wt% or more, more preferably 5 wt% or more, and further preferably 10 wt% or more.
  • the concentration of trans-1,2-dichloroethylene in the cis-1-chloro-3,3,3-trifluoropropene solvent is such that the concentration of cis-1-chloro-3,3,3-trifluoropropene and trans-1,2- In the total amount of dichloroethylene of 100 wt%, it is preferably 55 wt% or less, more preferably 50 wt% or less, and further preferably 40 wt% or less.
  • the concentration of trans-1,2-dichloroethylene in the cis-1-chloro-3,3,3-trifluoropropene solvent is cis-1-chloro-3,3,3-trifluoropropene and trans-1,
  • the total amount of 2-dichloroethylene is 100 wt%, preferably 5 wt% or more, more preferably 10 wt% or more, and still more preferably 20 wt% or more.
  • the method for cleaning the object to be cleaned using the cleaning solvent composition of the present invention is not particularly limited, and a known cleaning method can be appropriately used depending on the substrate to be cleaned, shape, and the like.
  • Example 4 Nitroethane (1 wt%) and nitromethane (1 wt%) were added to cis-1-chloro-3,3,3-trifluoropropene (98 wt%) to prepare a solvent composition.
  • Example 6 Add nitroethane (2 wt%), butylene oxide (1 wt%) and trans-1,2-dichloroethylene (47 wt%) to cis-1-chloro-3,3,3-trifluoropropene (50 wt%) A composition was prepared.
  • Flash point Tag sealing type detergency test: A pre-cleaned SPCC mild steel plate (50 x 70 x 0.5 mm) with a circular dent in Eriksen, and rust-preventive oil (Japanese work oil P5957) applied to the pit. A test piece was prepared with an amount of 25 mg / dm 2 ). This test piece was immersed in each solvent composition for 3 minutes and washed. After washing and drying, the residual oil content was measured by a gravimetric method.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Detergent Compositions (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
PCT/JP2017/025524 2016-07-14 2017-07-13 洗浄用溶剤組成物 Ceased WO2018012581A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US16/309,374 US20190127667A1 (en) 2016-07-14 2017-07-13 Cleaning solvent composition
EP17827704.2A EP3486304A4 (en) 2016-07-14 2017-07-13 SOLVENT COMPOSITION FOR CLEANING
CN201780042900.4A CN109477046A (zh) 2016-07-14 2017-07-13 清洗用溶剂组合物

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-139601 2016-07-14
JP2016139601A JP2018009113A (ja) 2016-07-14 2016-07-14 洗浄用溶剤組成物

Publications (1)

Publication Number Publication Date
WO2018012581A1 true WO2018012581A1 (ja) 2018-01-18

Family

ID=60953158

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/025524 Ceased WO2018012581A1 (ja) 2016-07-14 2017-07-13 洗浄用溶剤組成物

Country Status (5)

Country Link
US (1) US20190127667A1 (https=)
EP (1) EP3486304A4 (https=)
JP (1) JP2018009113A (https=)
CN (1) CN109477046A (https=)
WO (1) WO2018012581A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023041488A (ja) * 2021-09-13 2023-03-24 セントラル硝子株式会社 洗浄剤充填システムおよび洗浄剤充填方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7665171B2 (ja) * 2020-06-30 2025-04-21 ディップソール株式会社 溶剤組成物及びそれを用いた物品の洗浄方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012506944A (ja) * 2008-10-28 2012-03-22 ハネウェル・インターナショナル・インコーポレーテッド １−クロロ−３，３，３−トリフルオロプロペンを含む共沸混合物様組成物
JP2014181405A (ja) 2013-03-15 2014-09-29 Honeywell Internatl Inc 洗浄組成物及び方法
WO2014164587A1 (en) * 2013-03-13 2014-10-09 Honeywell International Inc. Azeotrope-like compositions comprising 1-chloro-3,3,3-trifluoropropene
JP2016079225A (ja) * 2014-10-10 2016-05-16 セントラル硝子株式会社 含フッ素オレフィン組成物およびそれを用いた洗浄方法
JP2016088963A (ja) * 2014-10-30 2016-05-23 セントラル硝子株式会社 含フッ素オレフィン組成物およびそれを用いた洗浄方法
WO2017057669A1 (ja) * 2015-09-30 2017-04-06 旭硝子株式会社 洗浄方法、洗浄装置の使用方法および洗浄装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3935287A (en) * 1972-04-11 1976-01-27 Diamond Shamrock Corporation Stabilized methyl chloroform
EP2160415A4 (en) * 2007-06-27 2014-01-01 Arkema Inc STABILIZED HYDROCHLOROFLUOROLEFINS AND HYDROFLUOROLEFINES
US9523026B2 (en) * 2007-06-27 2016-12-20 Arkema Inc. Stabilized hydrochlorofluoroolefins and hydrofluoroolefins
US8703006B2 (en) * 2008-10-28 2014-04-22 Honeywell International Inc. Azeotrope-like compositions comprising 1-chloro-3,3,3-trifluoropropene
CN104449580B (zh) * 2013-09-24 2018-01-26 中化蓝天集团有限公司 一种含有hfc‑161和稳定剂的组合物

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012506944A (ja) * 2008-10-28 2012-03-22 ハネウェル・インターナショナル・インコーポレーテッド １−クロロ−３，３，３−トリフルオロプロペンを含む共沸混合物様組成物
WO2014164587A1 (en) * 2013-03-13 2014-10-09 Honeywell International Inc. Azeotrope-like compositions comprising 1-chloro-3,3,3-trifluoropropene
JP2014181405A (ja) 2013-03-15 2014-09-29 Honeywell Internatl Inc 洗浄組成物及び方法
JP2016079225A (ja) * 2014-10-10 2016-05-16 セントラル硝子株式会社 含フッ素オレフィン組成物およびそれを用いた洗浄方法
JP2016088963A (ja) * 2014-10-30 2016-05-23 セントラル硝子株式会社 含フッ素オレフィン組成物およびそれを用いた洗浄方法
WO2017057669A1 (ja) * 2015-09-30 2017-04-06 旭硝子株式会社 洗浄方法、洗浄装置の使用方法および洗浄装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3486304A4

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023041488A (ja) * 2021-09-13 2023-03-24 セントラル硝子株式会社 洗浄剤充填システムおよび洗浄剤充填方法

Also Published As

Publication number Publication date
US20190127667A1 (en) 2019-05-02
JP2018009113A (ja) 2018-01-18
EP3486304A4 (en) 2020-03-25
EP3486304A1 (en) 2019-05-22
CN109477046A (zh) 2019-03-15

Similar Documents

Publication Publication Date Title
ES2909465T3 (es) Composiciones de limpieza de metales que incluyen un disolvente de cloro-fluoro-alqueno y su método
TWI707033B (zh) 洗淨劑組成物、清洗劑組成物及洗淨方法
JP5518878B2 (ja) 洗浄組成物
CN1656207A (zh) 含有二氯乙烯和六碳烷氧基取代的全氟化合物的清洁组合物
JPH06220494A (ja) 洗浄用溶剤組成物
BRPI0806800A2 (pt) composição não-inflamável, e, uso das composições
JP2013518140A (ja) ヒドロクロロフルオロオレフィン−ベースの洗浄組成物
JP6432306B2 (ja) 含フッ素オレフィンを構成成分とする共沸様組成物
WO1998050517A1 (en) Environmentally-safe solvent compositions utilizing 1-bromopropane that are stabilized, non-flammable, and have desired solvency characteristics
WO2018012581A1 (ja) 洗浄用溶剤組成物
JP2016516844A (ja) 不燃性組成物およびこれらの組成物の使用
JP2016141730A (ja) 含フッ素オレフィンを構成成分とする共沸様組成物
JP2018150502A (ja) 洗浄剤組成物、リンス剤組成物及び洗浄方法
JP2869432B2 (ja) 溶剤及びそれを用いる物品表面の清浄化方法
US6660701B1 (en) Stabilized solvent system for cleaning and drying
CN101605881A (zh) 包含氟化化合物的不可燃组合物以及这些组合物的用途
JP2011084660A (ja) 洗浄用溶剤組成物
JPWO2019117100A1 (ja) Ｚ−１，２−ジクロロ−３，３，３−トリフルオロプロペンを構成成分とする共沸様組成物
JP2009256393A (ja) 非引火性洗浄組成物
JP2016147941A (ja) 含フッ素オレフィンを構成成分とする共沸様組成物
JP5021186B2 (ja) 金属部品類の加工・洗浄方法
CN116669762A (zh) 不燃液体组合物及其用途
JP2952414B2 (ja) 溶剤及びそれを用いる物品表面の清浄化方法
JP3141325B2 (ja) 溶剤およびそれを用いる物品表面の清浄化方法
JP2014047226A (ja) 洗浄用溶剤組成物

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17827704

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2017827704

Country of ref document: EP

Effective date: 20190214