WO2003033451A1 - Diester d'acide dibasique - Google Patents
Diester d'acide dibasique Download PDFInfo
- Publication number
- WO2003033451A1 WO2003033451A1 PCT/JP2002/010528 JP0210528W WO03033451A1 WO 2003033451 A1 WO2003033451 A1 WO 2003033451A1 JP 0210528 W JP0210528 W JP 0210528W WO 03033451 A1 WO03033451 A1 WO 03033451A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- dibasic acid
- oil
- methyl
- lubricating
- carbon atoms
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/34—Esters of acyclic saturated polycarboxylic acids having an esterified carboxyl group bound to an acyclic carbon atom
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
- C10M105/32—Esters
- C10M105/36—Esters of polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
- C10M2207/2825—Esters of (cyclo)aliphatic oolycarboxylic acids used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/285—Esters of aromatic polycarboxylic acids
- C10M2207/2855—Esters of aromatic polycarboxylic acids used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/34—Esters having a hydrocarbon substituent of thirty or more carbon atoms, e.g. substituted succinic acid derivatives
- C10M2207/345—Esters having a hydrocarbon substituent of thirty or more carbon atoms, e.g. substituted succinic acid derivatives used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/081—Biodegradable compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/64—Environmental friendly compositions
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/66—Hydrolytic stability
Definitions
- the present invention relates to dibasic acid esters that are useful for applications such as lubricating base oils.
- lubricating oils or grease base oils for example, those containing dibasic acid ester are known.
- W097 / 21792 is an alicyclic polyester ester which is a base oil.
- a certain lubricating oil is disclosed.
- Japanese Patent Application Publication No. 2001-899776 discloses a lubricating oil for refrigerators in which 1,2-cyclohexane dicarboxylate is used as a base oil. Is disclosed.
- lubricating oils in which any of the above-mentioned polyester esters of polyester are the base oils are not satisfactory in terms of hydrolysis resistance in practical use. Absent .
- An object of the present invention is to provide a dibasic acid ester which is useful for applications such as lubricating base oils and has excellent hydrolysis resistance and the like.
- the present invention provides the following [1] to [4].
- R 2 and R 3 are the same or different and represent lower alkyl, and R 1 and R 4 are the same or different and have 7 or more carbon atoms.
- R 1 your good beauty
- R 4 is, the number of carbon atoms?
- the dibasic acid ester represented by the general formula (I) may be referred to as the compound (I).
- the lower alkyl is, for example, a straight-chain or branched alkyl having 1 to 8 carbon atoms.
- alkyl having 1 to 4 carbon atoms is preferable, and ethyl is more preferable.
- alkyl having 7 or more carbon atoms examples include, for example, straight-chain or branched ones, and specific examples thereof include heptyl and octyl. , 2 — octyl, 3 — octyl, iso octyl, 2 — ethyl hexyl, 4 — methyl 1 -3 heptyl , 2-propyl-1-1-pentyl, 2,4, 4-Trimethyl-1-pentyl, 2,2-dimethyl-3-hexyl, 2, 3-dimethyl- 1-2-hexyl, 2, 5-dimethyl-2-hexinole, 2, 5-dimethyl-1-3-hexyl, 3, 4-dimethyl-1-3-hexylyl, 3 , 5 — dimethyl-3 — hexisole, 3 — methyl 1 2 — methyl 1 3 — pentyl, 2 — methyl 2 — heptyl, 3 — methyl 1 3 —
- Alkyl having 7 to 40 carbon atoms is preferable, alkyl having 7 to 30 carbon atoms is more preferable, and alkyl having 7 to 25 carbon atoms is more preferable. Preferable and more carbon number? An anore kill of ⁇ 20 is more preferred.
- Compound (I) can be produced by a known ester synthesis method.
- the corresponding dibasic acid and 1 to 10 equivalents, preferably 1 to 2 equivalents, of aliphatic alcohol can be added, if necessary, in the presence of an azeotropic agent.
- the reaction is carried out at 50 to 180 ° C in the presence of an acid catalyst such as a catalyst amount to 0.5 equivalent of p-toluenesulfonate, whereby the compound ( I) can be obtained.
- an acid catalyst such as a catalyst amount to 0.5 equivalent of p-toluenesulfonate
- the azeotropic agent include toluene, benzene and the like, which are usually 0.5 to 100 to dibasic acid. Equivalent amount is used.
- the dibasic acid used as a raw material can be prepared, for example, by a known method [Oil Chemistry, Vol. 19, No. 12, page 107 (1970)], Japanese Patent Application Laid-Open No. 6-7294. No. 8, etc.], and the corresponding dials are: Produced by treatment at 200 to 320 ° C, preferably in the presence of up to 5 equivalents of a base such as sodium hydroxide or a hydroxylase. can do . At this time, a reaction solvent such as an ether-based solvent such as dibenzyl ether or a hydrocarbon-based solvent such as liquid paraffin (having 10 to 16 carbon atoms) is used.
- a reaction solvent such as an ether-based solvent such as dibenzyl ether or a hydrocarbon-based solvent such as liquid paraffin (having 10 to 16 carbon atoms) is used.
- the lubricating base oil of the present invention that may be used preferably contains the compound (I) in an amount of at least 10% by weight, based on the total weight, and more preferably 25 to 25% by weight. It is preferably contained at least 50% by weight, more preferably at least 50% by weight.
- the lubricating base oil of the present invention contains, if necessary, other base oils such as ester oil, polyolefin, mineral oil, silicone oil and the like. Is also good.
- ester oils include fatty acid monoester, diester aginate, diester azelinate, seno, and 'sinic acid. Examples include diesters and phthalic acid esters.
- polyolefin layin examples include low molecular weight polybutene, low molecular weight polypropylene, and polyolefins having 8 to 14 carbon atoms. The origin is too high.
- Mineral oils include, for example, noraphine-based crude oils, intermediate-based crude oils, and naphthenic-based crude oils.
- the amount of other base oils such as ester oil, polyolefin, mineral oil, silicone oil, etc. is not particularly limited.
- the content of (I) is preferably at most 90% by weight, more preferably at most 50% by weight.
- the lubricating oil of the present invention may be added to the lubricating base oil of the present invention, if necessary, as a detergent / dispersant, an antioxidant, an extreme pressure agent, an antibacterial agent, a gas phase inhibitor, a pour point depressant, an It can be obtained by adding additives such as thickeners, preservatives, defoamers, demulsifiers, extreme pressure additives, dyes and fragrances.
- additives such as thickeners, preservatives, defoamers, demulsifiers, extreme pressure additives, dyes and fragrances.
- the amounts of these additives are not particularly limited, but are preferably 0.01 to 5% by weight in the lubricating oil of the present invention. .
- the lubricating base oil and lubricating oil of the present invention are excellent in hydrolysis resistance, lubricity, heat resistance, low-temperature fluidity, flame retardancy, biodegradability, and the like.
- the lubricating oil of the present invention can be prepared, for example, by an engine according to a known method (W097 / 21792, Japanese Patent Publication No. 2001-87976). Examples of tests that can be used as oils for oil, evening oil, hydraulic oil, refrigeration oil, rolling oil, grease, lubricating oil for metalworking, etc.1 Hydrolysis resistance test
- Test method Copper and iron pieces were added as catalysts to a test solution adjusted so that the test sample and water became 3: 1 (weight ratio) and stirred at 100 ° C. However, it was left for 168 hours. The total acid value of the oil layer after standing was measured (the higher the total acid value, the more the hydrolysis was promoted). Table 1 shows the test results. table 1
- Table 1 shows that Compounds 1 and 2 are much more excellent in hydrolysis resistance than the comparative compounds.
- IR Infrared spectroscopy vector
- 2,4-Jetyl 1.1,5—Pentandiol (trade name: KYOPODIOL PD—9, manufactured by Kyowa Yuka Co., Ltd., purity 93.9%) 160.3 g , Potassium hydroxide (purity 86%), 156.6 g, paraffin mixture having 12 carbon atoms (trade name: Kyodosol C1200-H Kyowa) 12.2 g of 12.2 nickel was equipped with a reflux condenser, a pressure control valve, and an electric heating furnace capable of controlling the temperature. Then, the mixture was charged into an autoclave and heated and stirred at 1 MPa. The generated hydrogen gas was measured with a gas meter to follow the progress of the reaction. Generation of gas was confirmed from around 230 ° C, and furthermore,
- the reaction was continued at 250 to 270 ° C. After reaching 250 ° C, 3.5 hours later, 89.4 L of hydrogen was generated. The reaction was continued for another 30 minutes, during which time 0.8 L of hydrogen gas was generated, the amount of hydrogen generated coincided with the stoichiometric amount, and the reaction rate was 100%. Met . After the reaction, the reaction solution containing 2,4-diethyl glucuric acid diammonium is dissolved in water, the sulfuric acid is further calored, and the precipitated solid is collected by filtration. Thus, crude 2,4-diethyl glucuric acid was obtained.
- the crude 2,4—diethyl glucuric acid is washed with water, purified by crystallization using n—hexane, and 2,4—diethyl dal peric acid 142.5 g ( White crystals) were obtained.
- the purity of the obtained 2,4-diethylglutaric acid is 98.3%.
- a dibasic acid ester which is useful for applications such as lubricating base oils and has excellent resistance to water hydrolysis.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Lubricants (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003536193A JP4063766B2 (ja) | 2001-10-10 | 2002-10-10 | 二塩基酸ジエステル |
EP02801528A EP1449823A4 (en) | 2001-10-10 | 2002-10-10 | DIESTER DIBASIC ACIDS |
US10/491,238 US20050130850A1 (en) | 2001-10-10 | 2002-10-10 | Dibasic acid diesters |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001/312099 | 2001-10-10 | ||
JP2001312099 | 2001-10-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003033451A1 true WO2003033451A1 (fr) | 2003-04-24 |
Family
ID=19130811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/010528 WO2003033451A1 (fr) | 2001-10-10 | 2002-10-10 | Diester d'acide dibasique |
Country Status (6)
Country | Link |
---|---|
US (1) | US20050130850A1 (ja) |
EP (1) | EP1449823A4 (ja) |
JP (1) | JP4063766B2 (ja) |
KR (1) | KR20050035128A (ja) |
CN (1) | CN1241898C (ja) |
WO (1) | WO2003033451A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004034202A1 (de) * | 2004-07-14 | 2005-11-10 | Sasol Germany Gmbh | Dicarbonsäure-Estermischungen und deren Verwendung |
WO2006059687A1 (ja) * | 2004-12-01 | 2006-06-08 | Kyowa Hakko Chemical Co., Ltd. | 軸受用潤滑油 |
JP2008297501A (ja) * | 2007-06-01 | 2008-12-11 | New Japan Chem Co Ltd | 軸受用潤滑油 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1426041A4 (en) * | 2001-08-21 | 2005-01-05 | Kyowa Yuka Kk | OILY INGREDIENTS FOR COSMETIC PREPARATION AND COSMETIC PREPARATION |
CN100480229C (zh) * | 2006-12-13 | 2009-04-22 | 井冈山学院 | 羧酸四异丙酯的制备方法及其应用 |
KR101301343B1 (ko) * | 2011-05-06 | 2013-08-29 | 삼성전기주식회사 | 윤활유 조성물 |
CN113195446B (zh) * | 2018-12-20 | 2024-05-31 | 新日本理化株式会社 | 流体动力轴承用润滑油基础油 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1196542A (ja) * | 1997-09-22 | 1999-04-09 | Sony Corp | 磁気記録媒体 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3271315A (en) * | 1963-11-01 | 1966-09-06 | Continental Oil Co | Use of hindered esters of carboxylic acids as radiation resistant lubricants |
US3409553A (en) * | 1966-02-01 | 1968-11-05 | Eastman Kodak Co | Two-cycle engine lubricant and fuel |
JPS5940817B2 (ja) * | 1976-04-30 | 1984-10-03 | 全国石油工業協同組合 | ジカルボン酸エステル及びその製造方法 |
US5773240A (en) * | 1994-06-13 | 1998-06-30 | Mitsubishi Rayon Co., Ltd. | Optically active α-substituted carboxylic acid derivatives and method for producing the same |
GB9523916D0 (en) * | 1995-11-22 | 1996-01-24 | Exxon Chemical Patents Inc | Two-cycle ester based synthetic lubricating oil (pt-1041) |
US6627593B2 (en) * | 2001-07-13 | 2003-09-30 | Ecolab Inc. | High concentration monoester peroxy dicarboxylic acid compositions, use solutions, and methods employing them |
EP1426041A4 (en) * | 2001-08-21 | 2005-01-05 | Kyowa Yuka Kk | OILY INGREDIENTS FOR COSMETIC PREPARATION AND COSMETIC PREPARATION |
-
2002
- 2002-10-10 KR KR1020047005216A patent/KR20050035128A/ko not_active Application Discontinuation
- 2002-10-10 WO PCT/JP2002/010528 patent/WO2003033451A1/ja not_active Application Discontinuation
- 2002-10-10 CN CNB028199367A patent/CN1241898C/zh not_active Expired - Fee Related
- 2002-10-10 JP JP2003536193A patent/JP4063766B2/ja not_active Expired - Fee Related
- 2002-10-10 US US10/491,238 patent/US20050130850A1/en not_active Abandoned
- 2002-10-10 EP EP02801528A patent/EP1449823A4/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1196542A (ja) * | 1997-09-22 | 1999-04-09 | Sony Corp | 磁気記録媒体 |
Non-Patent Citations (2)
Title |
---|
See also references of EP1449823A4 * |
TAKIMOTO SEIJI ET AL.: "Esterification of carboxylic acids by alcohols with 2-chloro-1,3,5-.trinitrobenzene as condensing agent", BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, vol. 54, no. 5, 1981, pages 1470 - 1473, XP002962330 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004034202A1 (de) * | 2004-07-14 | 2005-11-10 | Sasol Germany Gmbh | Dicarbonsäure-Estermischungen und deren Verwendung |
WO2006059687A1 (ja) * | 2004-12-01 | 2006-06-08 | Kyowa Hakko Chemical Co., Ltd. | 軸受用潤滑油 |
JP2008297501A (ja) * | 2007-06-01 | 2008-12-11 | New Japan Chem Co Ltd | 軸受用潤滑油 |
Also Published As
Publication number | Publication date |
---|---|
CN1241898C (zh) | 2006-02-15 |
KR20050035128A (ko) | 2005-04-15 |
US20050130850A1 (en) | 2005-06-16 |
EP1449823A4 (en) | 2005-12-28 |
JP4063766B2 (ja) | 2008-03-19 |
EP1449823A1 (en) | 2004-08-25 |
JPWO2003033451A1 (ja) | 2005-02-03 |
CN1564804A (zh) | 2005-01-12 |
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