NL1009793C2 - Heterocyclische thioethers als additieven voor smeermiddelen. - Google Patents
Heterocyclische thioethers als additieven voor smeermiddelen. Download PDFInfo
- Publication number
- NL1009793C2 NL1009793C2 NL1009793A NL1009793A NL1009793C2 NL 1009793 C2 NL1009793 C2 NL 1009793C2 NL 1009793 A NL1009793 A NL 1009793A NL 1009793 A NL1009793 A NL 1009793A NL 1009793 C2 NL1009793 C2 NL 1009793C2
- Authority
- NL
- Netherlands
- Prior art keywords
- hydrogen
- alkyl
- group
- tert
- meaning
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
- C07D285/01—Five-membered rings
- C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
- C07D285/04—Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
- C07D285/08—1,2,4-Thiadiazoles; Hydrogenated 1,2,4-thiadiazoles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/60—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings condensed with carbocyclic rings or ring systems
- C07D277/62—Benzothiazoles
- C07D277/68—Benzothiazoles 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 in position 2
- C07D277/70—Sulfur atoms
- C07D277/74—Sulfur atoms substituted by carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/24—Organic compounds containing sulfur, selenium and/or tellurium
- C10L1/2443—Organic compounds containing sulfur, selenium and/or tellurium heterocyclic compounds
- C10L1/2456—Organic compounds containing sulfur, selenium and/or tellurium heterocyclic compounds sulfur with oxygen and/or nitrogen in the ring, e.g. thiazoles
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/04—Use of additives to fuels or fires for particular purposes for minimising corrosion or incrustation
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/08—Use of additives to fuels or fires for particular purposes for improving lubricity; for reducing wear
-
- 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
- C10M135/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
- C10M135/32—Heterocyclic sulfur, selenium or tellurium compounds
- C10M135/36—Heterocyclic sulfur, selenium or tellurium compounds the ring containing sulfur and carbon with nitrogen or oxygen
-
- 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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
-
- 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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/102—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon only in the ring
-
- 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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
-
- 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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
- C10M2219/106—Thiadiazoles
-
- 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
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/08—Hydraulic fluids, e.g. brake-fluids
-
- 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
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/20—Metal working
-
- 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
- C10N2070/00—Specific manufacturing methods for lubricant compositions
- C10N2070/02—Concentrating of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Lubricants (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Thiazole And Isothizaole Compounds (AREA)
- Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH186397 | 1997-08-06 | ||
CH186397 | 1997-08-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
NL1009793A1 NL1009793A1 (nl) | 1999-02-09 |
NL1009793C2 true NL1009793C2 (nl) | 2000-05-31 |
Family
ID=4220374
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL1009793A NL1009793C2 (nl) | 1997-08-06 | 1998-08-03 | Heterocyclische thioethers als additieven voor smeermiddelen. |
Country Status (19)
Country | Link |
---|---|
US (2) | US6150307A (cs) |
JP (1) | JPH11124375A (cs) |
KR (1) | KR19990023261A (cs) |
CN (1) | CN1104425C (cs) |
BE (1) | BE1012345A5 (cs) |
BR (1) | BR9802852A (cs) |
CA (1) | CA2244492A1 (cs) |
CZ (1) | CZ244698A3 (cs) |
DE (1) | DE19834951A1 (cs) |
ES (1) | ES2154162B1 (cs) |
FR (1) | FR2767828B1 (cs) |
GB (1) | GB2327944B (cs) |
IT (1) | IT1302004B1 (cs) |
NL (1) | NL1009793C2 (cs) |
NO (1) | NO983594L (cs) |
SG (1) | SG63856A1 (cs) |
SK (1) | SK105198A3 (cs) |
TW (1) | TW466270B (cs) |
ZA (1) | ZA987011B (cs) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6620771B2 (en) | 1999-10-20 | 2003-09-16 | R. T. Vanderbilt Company, Inc. | Thiadiazole dimer additives and lubricating compositions containing the same |
AU751605B2 (en) * | 1999-10-20 | 2002-08-22 | Vanderbilt Chemicals, Llc | Thiadizole dimer additives and lubricating compositions containing the same |
US6559107B2 (en) * | 2001-05-31 | 2003-05-06 | Crompton Corporation | Thiadiazolidine additives for lubricants |
US6620939B2 (en) * | 2001-09-18 | 2003-09-16 | General Electric Company | Method for producing bisphenol catalysts and bisphenols |
US20030092585A1 (en) * | 2001-11-13 | 2003-05-15 | The Lubrizol Corporation | Lubricating compositions and concentrates containing an antiwear amount of a thiadiazole |
US6566311B1 (en) * | 2001-11-30 | 2003-05-20 | Uniroyal Chemical Company, Inc. | 1,3,4-oxadiazole additives for lubricants |
EP1429211B1 (en) * | 2002-09-24 | 2008-02-27 | Ricoh Company, Ltd. | Protective shutter for image bearing member unit, and process cartridge and image forming apparatus using the image bearing member unit |
DE60226350T2 (de) * | 2002-09-26 | 2009-06-10 | Chemtura Corporation, Middlebury | Alkylbernsteinsäurehydrazid-additive für schmiermittel |
WO2004078345A1 (en) * | 2003-03-03 | 2004-09-16 | General Electric Company | Method for producing bisphenol catalysts and bisphenols |
US7579306B2 (en) * | 2005-03-02 | 2009-08-25 | Chemtura Corporation | Method for improving the oxidative stability of industrial fluids |
US20070066495A1 (en) * | 2005-09-21 | 2007-03-22 | Ian Macpherson | Lubricant compositions including gas to liquid base oils |
US20080171677A1 (en) * | 2006-04-13 | 2008-07-17 | Buck William H | Low SAP engine lubricant additive and composition containing non-corrosive sulfur and organic borates |
JP2008063491A (ja) * | 2006-09-08 | 2008-03-21 | Showa Shell Sekiyu Kk | 潤滑グリース組成物 |
US20090202300A1 (en) * | 2007-12-10 | 2009-08-13 | Basta Samuel T | Personal watercraft lift assembly and kit |
DE102013109064A1 (de) * | 2013-08-21 | 2015-02-26 | Hkp Heiz- Und Kraftstoffe Pflanzenöl Gmbh | Additiv für ölbasierte Schmiermittel mit verbesserten Extreme- Pressure-Eigenschaften |
CN107418675A (zh) * | 2017-05-12 | 2017-12-01 | 广西大学 | 一种环境友好抗燃汽轮机油组合物 |
CN107418677A (zh) * | 2017-05-12 | 2017-12-01 | 广西大学 | 一种环境友好极压抗磨抗燃汽轮机油组合物 |
CN108048163B (zh) * | 2018-01-19 | 2021-02-26 | 东莞理工学院 | 一种荒氨酸基均三嗪衍生物多功能润滑油添加剂及其制备方法与应用 |
WO2020189580A1 (ja) * | 2019-03-20 | 2020-09-24 | Jxtgエネルギー株式会社 | 潤滑油組成物 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1044147A (en) * | 1964-07-14 | 1966-09-28 | Monsanto Chemicals | Benzthiazole derivatives and herbicidal compositions containing them |
EP0166696A2 (de) * | 1984-06-29 | 1986-01-02 | Ciba-Geigy Ag | Zusätze für Schmierstoffe |
EP0191948A2 (en) * | 1984-12-27 | 1986-08-27 | Fuji Photo Film Co., Ltd. | Silver halide photographic materials |
JPH02167268A (ja) * | 1988-12-21 | 1990-06-27 | Meiji Seika Kaisha Ltd | 新規な複素環式化合物 |
JPH04146439A (ja) * | 1990-10-08 | 1992-05-20 | Mitsubishi Paper Mills Ltd | 印刷版用修正剤 |
JPH0588304A (ja) * | 1991-09-27 | 1993-04-09 | Mitsubishi Paper Mills Ltd | ハロゲン化銀写真感光材料の処理方法 |
JPH06118655A (ja) * | 1992-09-30 | 1994-04-28 | Mitsubishi Paper Mills Ltd | オフセット印刷版用処理液 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3639663A (en) * | 1965-07-01 | 1972-02-01 | Monsanto Chemicals | Thioalkylthiobenzothiazoles |
US3591475A (en) * | 1968-12-09 | 1971-07-06 | Exxon Research Engineering Co | Preparation of unsymmetrical thiol-allene diadducts |
US5051198A (en) * | 1987-06-09 | 1991-09-24 | The Lubrizol Corporation | Anti-oxidant compositions containing mercaptothiadiazole or mercaptobenzothiazole derivatives |
US5258258A (en) * | 1990-10-11 | 1993-11-02 | Mitsubishi Paper Mills Limited | Process for making lithographic printing plates |
JPH05112548A (ja) * | 1991-10-21 | 1993-05-07 | Mitsubishi Paper Mills Ltd | チオエーテル化合物及びそれを用いたハロゲン化銀写 真感光材料 |
US5686397A (en) * | 1997-02-03 | 1997-11-11 | Uniroyal Chemical Company, Inc. | Dithiocarbamate derivatives and lubricants containing same |
KR101044147B1 (ko) * | 2009-06-15 | 2011-06-24 | 엘지전자 주식회사 | 조리기기 및 그 제어방법 |
-
1998
- 1998-07-17 GB GB9815480A patent/GB2327944B/en not_active Expired - Fee Related
- 1998-07-31 SG SG1998002826A patent/SG63856A1/en unknown
- 1998-07-31 KR KR1019980030997A patent/KR19990023261A/ko not_active Abandoned
- 1998-07-31 BE BE9800579A patent/BE1012345A5/fr not_active IP Right Cessation
- 1998-08-03 JP JP10231158A patent/JPH11124375A/ja not_active Withdrawn
- 1998-08-03 US US09/128,086 patent/US6150307A/en not_active Expired - Fee Related
- 1998-08-03 NL NL1009793A patent/NL1009793C2/nl not_active IP Right Cessation
- 1998-08-03 DE DE19834951A patent/DE19834951A1/de not_active Withdrawn
- 1998-08-04 CA CA002244492A patent/CA2244492A1/en not_active Abandoned
- 1998-08-04 SK SK1051-98A patent/SK105198A3/sk unknown
- 1998-08-04 FR FR9809987A patent/FR2767828B1/fr not_active Expired - Fee Related
- 1998-08-04 TW TW087112796A patent/TW466270B/zh not_active IP Right Cessation
- 1998-08-04 CZ CZ982446A patent/CZ244698A3/cs unknown
- 1998-08-05 IT IT1998MI001848A patent/IT1302004B1/it active IP Right Grant
- 1998-08-05 ES ES009801670A patent/ES2154162B1/es not_active Expired - Fee Related
- 1998-08-05 ZA ZA987011A patent/ZA987011B/xx unknown
- 1998-08-05 CN CN98118002A patent/CN1104425C/zh not_active Expired - Fee Related
- 1998-08-05 NO NO983594A patent/NO983594L/no not_active Application Discontinuation
- 1998-08-06 BR BR9802852-9A patent/BR9802852A/pt not_active Application Discontinuation
-
2000
- 2000-09-15 US US09/663,822 patent/US6362138B1/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1044147A (en) * | 1964-07-14 | 1966-09-28 | Monsanto Chemicals | Benzthiazole derivatives and herbicidal compositions containing them |
EP0166696A2 (de) * | 1984-06-29 | 1986-01-02 | Ciba-Geigy Ag | Zusätze für Schmierstoffe |
EP0191948A2 (en) * | 1984-12-27 | 1986-08-27 | Fuji Photo Film Co., Ltd. | Silver halide photographic materials |
JPH02167268A (ja) * | 1988-12-21 | 1990-06-27 | Meiji Seika Kaisha Ltd | 新規な複素環式化合物 |
JPH04146439A (ja) * | 1990-10-08 | 1992-05-20 | Mitsubishi Paper Mills Ltd | 印刷版用修正剤 |
JPH0588304A (ja) * | 1991-09-27 | 1993-04-09 | Mitsubishi Paper Mills Ltd | ハロゲン化銀写真感光材料の処理方法 |
JPH06118655A (ja) * | 1992-09-30 | 1994-04-28 | Mitsubishi Paper Mills Ltd | オフセット印刷版用処理液 |
Non-Patent Citations (10)
Title |
---|
CHEM.ZVESTI, vol. 31, no. 1, 1977, pages 92 - 97 * |
CHEM.ZVESTI, vol. 34, no. 3, 1980, pages 404 - 412 * |
CHEMICAL ABSTRACTS, vol. 113, no. 21, 19 November 1990, Columbus, Ohio, US; abstract no. 191360b, page 727; XP002132228 * |
CHEMICAL ABSTRACTS, vol. 117, no. 26, 28 December 1992, Columbus, Ohio, US; abstract no. 261734k, page 737; XP002132231 * |
CHEMICAL ABSTRACTS, vol. 119, no. 8, 23 August 1993, Columbus, Ohio, US; abstract no. 82821f, page 733; XP002132232 * |
CHEMICAL ABSTRACTS, vol. 122, no. 6, 6 February 1995, Columbus, Ohio, US; abstract no. 68345j, page 930; XP002132226 * |
CHEMICAL ABSTRACTS, vol. 66, no. 13, 27 March 1967, Columbus, Ohio, US; abstract no. 55430h, E.N.PRILEZHAEVA ET AL: "Syntheses based on 2-benzothiazolyl vinyl sulfide" page 5236; XP002132227 * |
CHEMICAL ABSTRACTS, vol. 88, no. 13, 27 March 1978, Columbus, Ohio, US; abstract no. 89573b, V.SUTORIS ET AL: "Benzothiazole compounds.XI.Synthesis and antimicrobial activity of 2- and 2,6-substituted benzothiazoles" page 512; XP002132229 * |
CHEMICAL ABSTRACTS, vol. 94, no. 5, 2 February 1981, Columbus, Ohio, US; abstract no. 30614m, V.SUTORIS ET AL: "Benzothiazole compounds. XVII. 2-alkyl and 2-aralkylsulfonylbenzothiazoles and their antimicrobial activity" page 560; XP002132230 * |
ZH.ORG.KHIM., vol. 2, no. 10, 1966, pages 1883 - 1891 * |
Also Published As
Publication number | Publication date |
---|---|
US6362138B1 (en) | 2002-03-26 |
GB2327944A (en) | 1999-02-10 |
SG63856A1 (en) | 1999-03-30 |
CZ244698A3 (cs) | 1999-02-17 |
NO983594D0 (no) | 1998-08-05 |
FR2767828A1 (fr) | 1999-03-05 |
CN1207387A (zh) | 1999-02-10 |
JPH11124375A (ja) | 1999-05-11 |
CA2244492A1 (en) | 1999-02-06 |
GB2327944B (en) | 2001-10-10 |
ITMI981848A0 (it) | 1998-08-05 |
US6150307A (en) | 2000-11-21 |
GB9815480D0 (en) | 1998-09-16 |
TW466270B (en) | 2001-12-01 |
BE1012345A5 (fr) | 2000-10-03 |
ZA987011B (en) | 1999-02-08 |
NO983594L (no) | 1999-02-08 |
ITMI981848A1 (it) | 2000-02-05 |
IT1302004B1 (it) | 2000-07-20 |
CN1104425C (zh) | 2003-04-02 |
KR19990023261A (ko) | 1999-03-25 |
NL1009793A1 (nl) | 1999-02-09 |
SK105198A3 (en) | 1999-02-11 |
ES2154162A1 (es) | 2001-03-16 |
BR9802852A (pt) | 2000-03-28 |
DE19834951A1 (de) | 1999-02-11 |
FR2767828B1 (fr) | 2002-07-12 |
ES2154162B1 (es) | 2002-07-01 |
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Legal Events
Date | Code | Title | Description |
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AD1A | A request for search or an international type search has been filed | ||
RD2N | Patents in respect of which a decision has been taken or a report has been made (novelty report) |
Effective date: 20000330 |
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PD2B | A search report has been drawn up | ||
VD1 | Lapsed due to non-payment of the annual fee |
Effective date: 20030301 |