CN1175622A - Ship IC engine oil composition - Google Patents

Ship IC engine oil composition Download PDF

Info

Publication number
CN1175622A
CN1175622A CN 96109561 CN96109561A CN1175622A CN 1175622 A CN1175622 A CN 1175622A CN 96109561 CN96109561 CN 96109561 CN 96109561 A CN96109561 A CN 96109561A CN 1175622 A CN1175622 A CN 1175622A
Authority
CN
China
Prior art keywords
composition
component
accounts
alkyl
described composition
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.)
Granted
Application number
CN 96109561
Other languages
Chinese (zh)
Other versions
CN1053465C (en
Inventor
李荡
曹镭
靳印牢
孙丁伟
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.)
LANZHOU OIL REFINING CHEMICAL GENERNAL PLANT CHINESE PETRO-CHEMICAL CORP
Original Assignee
LANZHOU OIL REFINING CHEMICAL GENERNAL PLANT CHINESE PETRO-CHEMICAL CORP
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 LANZHOU OIL REFINING CHEMICAL GENERNAL PLANT CHINESE PETRO-CHEMICAL CORP filed Critical LANZHOU OIL REFINING CHEMICAL GENERNAL PLANT CHINESE PETRO-CHEMICAL CORP
Priority to CN96109561A priority Critical patent/CN1053465C/en
Publication of CN1175622A publication Critical patent/CN1175622A/en
Application granted granted Critical
Publication of CN1053465C publication Critical patent/CN1053465C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Lubricants (AREA)

Abstract

A lubricant composition with total base number greater than 70 mg KOH/g for the lubrication between cylinder sleeve and piston of low-speed crosshead diesel engine for ship contains boronated amine thiophosphate (NSPN), high-alkali sulfurized calcium alkylphenate, high-alkali calcium salicylate, dinonylphenol polyoxyethylene ether (DNP), polyisobutylene butanedioylimine, zinc dialkyldithiophosphate and low-viscosity index mineral oil.

Description

Ship IC engine oil composition
The present invention relates to a kind of ship IC engine oil composition, particularly a kind of lubricant compositions that can satisfy lubricating requirement between low speed cross hair style ship engine cylinder sleeve and the piston ring, it should possess good detergency and resistance to abrasion.Specifically, the present invention relates to except that containing conventional detergent-dispersant additive, antioxygen corrosion inhibitor, also contain a certain amount of polyoxyethylene phenoxyl compound (hereinafter to be referred as DNP), boronation thiophosphatephosphorothioate amine salt (hereinafter to be referred as NSPN).
As everyone knows, in marine low-speed cross diesel motor operational process, except that main corrosive wear, frictional wear is to a certain degree arranged still between piston ring and the cylinder sleeve.Therefore, remove the adding high alkaline metal detergent and neutralize, reduce outside the corrosive wear owing to using the acidic substance that high-sulfur fuel generates, also should suitably add some anti-wear agents, diffusant, reducing frictional wear, thereby prolong engine work-ing life, reduce maintenance cost.
United States Patent (USP) U.S.P 4,483,775 relates to a kind of lubricating oil composition, by adding the abrasion resistance of anti-wear agent raising oil product.The diisopropyl disulfide that comprised basicity calcium sulphonate, 3.5% (m) of this combination is for phosphoric acid succinimide salt, the di-isopropyl thiophosphoric acid zinc of 8.1mol/kg.
United States Patent (USP) U.S.P 4,842,755 relates to a kind of lubricant compositions, and composition contains boronation ashless dispersant (the rare reactant with the polyamides acid anhydride of the poly-isobutyl of boronation) 0.5% (m).Cross basicity metal detergent amount 12.1% (m) and zinc dialkyl dithiophosphate, 0.10% (m).The content of boron and zinc is respectively 0.01-0.016 and 0.02-0.023% (m) in the composition, and the base number of oil product is 60mgKOH/g.
United States Patent (USP) U.S.P 4,668,409 relates to a kind of lubricating oil composition, by adding the abrasion resistance of anti-wear agent raising oil product.In the composition that contained the basicity calcium sulphonate, add the alkyl pyrocatechol phosphorodithioate of 0.05-1.0% (m), abrasion resistance is improved.The structural formula of anti-wear agent is as follows:
Figure A9610956100031
R=C in the formula 10-18Alkyl, M are basic metal or transition metal, and n is the valency of M.
This 4,358,387 relates to a kind of lubricating oil composition United States Patent (USP) U.S., has added the anti-friction composition N-alkyl glycine derivative of 1.0% (m) in the composition, and the structural formula of anti-friction composition N-alkyl glycine derivative is:
As R '=R "=during hydroxyalkyl, compound is:
Figure A9610956100042
Work as R '=H, R "=CH 2CH 2NH 2The time, compound is:
Figure A9610956100043
R=C in the formula 16-18Alkyl.
United States Patent (USP) U.S.P 4,420,407 relates to a kind of lubricating oil composition, has added the anti-friction composition N-second hydroxyalkyl succinimide of 1.0% (m) in the composition, and the abrasion resistance of lubricant is improved.
The structural formula of N-second hydroxyalkyl succinimide is as follows:
Figure A9610956100044
R=C in the formula 12-18Alkyl, R=C 12The time the most effective.
United States Patent (USP) U.S.P 4,505,835 relates to a kind of lubricating oil composition, has added the reactant that 1.0% (m) has this acid anhydride of Malaysia and amine in the composition, evaluates with the SEFT test, and the resistance to abrasion of composition improves 13.1%.
United States Patent (USP) U.S.P 4,402,845 relates to a kind of adding diffusant and improves the lubricating oil composition performance, and the poly-ethoxy by adding 1% (m) in the composition that contains basicity calcium sulphonate and ashless dispersant is at glycol (R-CH 2O-(CH 2CH 2O) 20H, R=C 12-18Alkyl), make the diffustivity of oil product improve 94% (diffusion diameter).
United States Patent (USP) U.S.P4,479,882 relate to a kind of adding diffusant improves lubricating oil composition, by the rare phenoxyl compound of the polyoxy second that adds 2% (m) in the composition that contained basicity calcium sulphonate and ashless dispersant , R=C 12-18Alkyl), can make the diffusion diameter of oil product increase by 123%.
United States Patent (USP) U.S.P4,414,123, U.S.P4,438,005 relate separately to a kind of adding diffusant polyethoxye sorbose acid esters and the rare ester of polyoxy second improves diffusible composition, and diffusion diameter has improved 89%, 167% respectively.
In the ship cylinder oil formula, with regard to metal detergent, have following several compound:
1. SULFURIZED CALCIUM ALKYL PHENATE WITH HIGH BASE NUMBER and sulfonate are compound
2. SULFURIZED CALCIUM ALKYL PHENATE WITH HIGH BASE NUMBER and high-alkali naphthenate are compound
3. high-alkali naphthenate and high-alkali salicylate are compound
Above formulation types is used widely in many oil companies.
In a word, in above-mentioned document and patent, do not have one piece openly to control SULFURIZED CALCIUM ALKYL PHENATE WITH HIGH BASE NUMBER and high-alkali salicylate compositely proportional, do not have public use boronation thiophosphatephosphorothioate amine salt to improve the patent of composition resistance to abrasion yet.
The object of the present invention is to provide a kind of lubricant compositions that can satisfy lubricating requirement between large-sized low-speed cross-head diesel engine piston and the cylinder sleeve.
The invention provides a kind of large-sized low-speed cross-head diesel engine that can suppress effectively owing to the effect corrosive wear that causes of high-sulfur fuel and frictional wear to a certain degree, and can improve the high temperature detergency of oil product.The following component that said composition is assisted composition as the lubricated graininess oil and the conduct of major ingredient:
A: base of a pillar thiophosphatephosphorothioate amine salt (NSPN)
B: SULFURIZED CALCIUM ALKYL PHENATE WITH HIGH BASE NUMBER
C: high-alkali calcium salicylate
D: binonylphenol polyoxydivinyl ether (DNP)
E: the poly-rare succimide of isobutyl
F: zinc dialkyl dithiophosphate
Wherein component A accounts for the 0.1-2.0% of lubricant compositions quality; Component B accounts for the 10.0-20.0% of lubricant compositions quality; Component C accounts for the 3.0-18.0% of lubricant compositions quality; Component D accounts for the 0.01-2.0% of lubricant compositions quality; Component E accounts for the 2.0-5.0% of lubricant compositions quality; Component F accounts for the 0.1-1.0% of lubricant compositions quality.
Basis of the present invention is that SULFURIZED CALCIUM ALKYL PHENATE WITH HIGH BASE NUMBER and high-alkali calcium salicylate have preferable compatibleness, composition has good detergency and resistance to abrasion, boronation thiophosphatephosphorothioate amine salt particularly, the resistance to abrasion of composition is improved, and other use propertieies are had no adverse effects.
The structure of employed NSPN is as follows among the present invention:
Wherein: the R representative has the alkyl of 1-12 carbon atom;
R ' representative has the alkyl of 6-20 carbon atom.
It is to be reacted under certain condition by phosphide, sulfide and boride to make, its sulphur, phosphorus, nitrogen, boron content are respectively: 5.0-6.5 (m) %, 5.0-6.5 (m) %, 2.5-3.5 (m) %, 1.5-1.9 (m) % has good extreme pressure anti-wear and thermal oxidation stability.DNP in the composition can make oil product diffusion rapidly on cylinder sleeve, cooperatively interacts with zinc dialkyl dithiophosphate, NSPN in the composition, makes oil product have excellent abrasion resistance.Thereby determine that it is the key component of said composition.
The structure of employed DNP is as follows among the present invention:
Figure A9610956100061
R=C in the formula 9-18Alkyl, n=12-20.
It is the product that is made by binonylphenol and polyether reactant, can reduce the surface tension of oil product, makes oil product be diffused into the cylinder sleeve surface rapidly, has guaranteed the oil film on cylinder sleeve surface.
Other additives belong to known content, need not give unnecessary details at this.
In the composition among the present invention, six kinds of components of various additives (referring to A, B, C, D, E, F)) ratio determines that by four ball friction-wear tests, detergency strenuous test, diffustivity test etc. the actual applying working condition of lubricating oil has been simulated in these tests effectively.
During composition among the present invention is applicable to, the mineral oil of low-viscosity index.In the sufficient oil product of preparation, the effective level of each component is as follows:
Form m% m%
General range preferable range boronation thiophosphatephosphorothioate amine salt, (NSPN) the high-alkali calcium salicylate 3.0-18.0 5.0-15.0 of 0.1-2.0 0.2-1.5 SULFURIZED CALCIUM ALKYL PHENATE WITH HIGH BASE NUMBER 10.0-20.0 10.0-18.0 binonylphenol Soxylat A 25-7, (DNP) 0.01-2.0 0.05-2.0 polyisobutene succinimide 2.0-5.0 2.5-4.0 zinc dialkyl dithiophosphate 0.1-1.0 0.1-0.8 cycloalkyl or intermediate base base oil surplus surplus
Above-mentioned each component was fully stirred three hours down at 85 ± 5 ℃, can obtain the marine cylinder oil that base number is 70mgKOH/g.
Following example is to further specify of the present invention, is not to limit the scope of the invention.
Embodiment 1
The 70TBN marine cylinder oil that preparation one full component viscosity is the SAE50 level, it contains boronation thiophosphatephosphorothioate amine salt (NSPN), SULFURIZED CALCIUM ALKYL PHENATE WITH HIGH BASE NUMBER, high-alkali calcium salicylate, binonylphenol polyoxydivinyl ether (DNP), the poly-rare succimide of isobutyl, zinc dialkyl dithiophosphate.The data that obtain thus are summarized in table 1.
Table 1
Comparative example Embodiment Test method
Component m% Boronation thiophosphatephosphorothioate amine salt, (1) SULFURIZED CALCIUM ALKYL PHENATE WITH HIGH BASE NUMBER, (2) high-alkali calcium salicylate, (3) binonylphenol polyoxydivinyl ether, (4) the poly-rare succimide of isobutyl, (5) zinc dialkyl dithiophosphate, (6) 0.0 16.0 10.0 0.01 3.5 0.2 ??0.7 ??16.0 ??10.0 ??0.01 ??3.5 ??0.2
Test-results High Temperature Detergent Experiment (reinforcement), level (7) 3.5 ??3.5 ??SH/T269
Four ball friction-wear tests (8) ????P B??,N 1176.0 ??1440.6 ??GB/T3142
????P D??,N 2450.0 ??2450.0
????ZMZ,N 457.7 ??621.3
The diffustivity test, diffusion area mm 2(9) 531 ??531 With reference to the Oronite method
Annotate: (1) is Lanzhou oil-refining chemical head factory product, and sulphur, phosphorus, nitrogen, boron content are respectively: 5.0-6.5 (m) %, 5.0.6.5 (m) %, 2.5 ,-3.5 (m) %, 1.5-1.9 (m) %
(2) be Lanzhou oil-refining chemical head factory product, calcium contents 9,51%, base number are 255mgKOH/g.
(3) be Lanzhou oil-refining chemical head factory product, calcium contents 10.52%, base number are 297mgKOH/g.
(4) be Lanzhou oil-refining chemical head factory product, molecular weight is 880, the polymerization degree 15.
(5) be Lanzhou oil-refining chemical head factory product, total nitrogen content 1.48%, base number are 21mgKOH/g.
(6) be Lanzhou oil-refining chemical head factory product, zinc content 9.09%, phosphorus content cup 7.40%.
Represent with level that (7) level is the smaller the better.
(8) result is with P B, P D, ZMZ represents, is worth greatly more, resistance to abrasion is good more.
(9) area is big more, and diffustivity is good more.
Embodiment 2
The 70TBN marine cylinder oil that preparation one full component viscosity is the SAE50 level, it contains boronation thiophosphatephosphorothioate amine salt (NSPN), SULFURIZED CALCIUM ALKYL PHENATE WITH HIGH BASE NUMBER, high-alkali calcium salicylate, binonylphenol Soxylat A 25-7 (DNP), the poly-rare succimide of isobutyl, zinc dialkyl dithiophosphate.The data that obtain thus are summarized in table 2.
Table 2
Comparative example Embodiment Test method
Component m% The high-alkali calcium salicylate binonylphenol of boronation thiophosphate amine salt SULFURIZED CALCIUM ALKYL PHENATE WITH HIGH BASE NUMBER polyoxydivinyl ether gathers the rare succimide zinc dialkyl dithiophosphate of isobutyl ?0.7 ?16.0 ?10.0 ?0.0 ?3.5 ?0.2 ?0.7 ?16.0 ?10.0 ?0.01 ?3.5 ?0.2
Test-results High Temperature Detergent Experiment (reinforcement), level ?3.5 ?3.5 ?SH/T269
Four ball friction-wear tests ????P B,N ?1176.0 ?1440.6 ?GB/T3142
????P D,N ?2450.0 ?2450.0
????ZMZ,N ?455.6 ?621.3
The diffustivity test, diffusion area mm 2 ?491 ?531 With reference to the Oronite method
Embodiment 3
The 70TBN marine cylinder oil that preparation one full component viscosity is the SAE50 level, it contains boronation thiophosphatephosphorothioate amine salt (NSPN), SULFURIZED CALCIUM ALKYL PHENATE WITH HIGH BASE NUMBER, high-alkali calcium salicylate, binonylphenol Soxylat A 25-7 (DNP), the poly-rare succimide of isobutyl, zinc dialkyl dithiophosphate.The data that obtain thus are summarized in table 3.
Table 3
Comparative example Embodiment Test method
Component m% The high-alkali calcium salicylate binonylphenol of boronation thiophosphate amine salt SULFURIZED CALCIUM ALKYL PHENATE WITH HIGH BASE NUMBER polyoxydivinyl ether gathers the rare succimide zinc dialkyl dithiophosphate of isobutyl 0.7 16.0 10.0 2.0 3.5 0.2 0.7 16.0 10.0 0.01 3.5 0.2
Test-results High Temperature Detergent Experiment (reinforcement), level 3.5 3.5 ??SH/T269
Four ball friction-wear tests ????P B,N 1234.8 1440.6 ??GB/T3142
????P D,N 2450.0 2450.0
????ZMZ,N 581.1 621.3
Diffustivity test diffusion area mm 2 804 531 With reference to the Oronite method
Embodiment 4
The 70TBN marine cylinder oil that preparation one full component viscosity is the SAE50 level, it contains boronation thiophosphatephosphorothioate amine salt (NSPN), SULFURIZED CALCIUM ALKYL PHENATE WITH HIGH BASE NUMBER, high-alkali calcium salicylate, binonylphenol Soxylat A 25-7 (DNP), the poly-rare succimide of isobutyl, zinc dialkyl dithiophosphate.The data that obtain thus are summarized in table 4.
Table 4
Comparative example Embodiment Test method
Component m% The high-alkali calcium salicylate binonylphenol of boronation thiophosphate amine salt SULFURIZED CALCIUM ALKYL PHENATE WITH HIGH BASE NUMBER polyoxydivinyl ether gathers the rare succimide zinc dialkyl dithiophosphate of isobutyl 0.7 16.0 10.0 0.01 3.5 0.2 0.7 16.0 10.0 0.01 3.5 0.2
Test-results High Temperature Detergent Experiment (reinforcement), level 3.5 3.5 ??SH/T269
Four ball friction-wear tests (8) ????P B,N 1440.6 1440.6 ??GB/T3142
????P D,N 2450.0 2450.0
????ZMZ,N 528.0 621.3
Diffustivity test diffusion area mm 2 531 531 With reference to the Oronite method
Embodiment 5
The 70TBN marine cylinder oil that preparation one full component viscosity is the SAE50 level, it contains boronation thiophosphatephosphorothioate amine salt (NSPN), SULFURIZED CALCIUM ALKYL PHENATE WITH HIGH BASE NUMBER, high-alkali calcium salicylate, binonylphenol Soxylat A 25-7 (DNP), the poly-rare succimide of isobutyl, zinc dialkyl dithiophosphate.The data that obtain thus are summarized in table 5.
Table 5
Embodiment Test method
Component m% The high-alkali calcium salicylate binonylphenol of boronation thiophosphate amine salt SULFURIZED CALCIUM ALKYL PHENATE WITH HIGH BASE NUMBER polyoxydivinyl ether gathers the rare succimide zinc dialkyl dithiophosphate of isobutyl 0.2 16.0 10.0 0.01 3.5 0.7
Test-results High Temperature Detergent Experiment (reinforcement), level 3.5 ????SH/T269
Four ball friction-wear tests ????P B,N 1440.6 ????GB/T3142
????P D,N 2450.0
????ZMZ,N 621.3
The diffustivity test, diffusion area mm 2 531 With reference to the Oronite method
BOLNES-DNL bench testing (1) By
Annotate: (1) Bolnes-3DNL engine is the typical equipments of evaluation marine cylinder oil, comments
Decide the result and show, the detergency of embodiment 5 and reference oil Mobilgard-570,
The resistance to abrasion performance is suitable.

Claims (9)

1. lubricant compositions, comprise boronation thiophosphatephosphorothioate amine salt (A), SULFURIZED CALCIUM ALKYL PHENATE WITH HIGH BASE NUMBER (B), middle and high buck poplar acid calcium salt (C), binonylphenol Soxylat A 25-7 (D), polyisobutene succinimide (E), zinc dialkyl dithiophosphate (F) and in, the mineral oil basis oil of low-viscosity index.
2. according to the described composition of claim 1, it is characterized in that: its structure of 0.1-2.0% that component (A) accounts for the combination total mass is:
Wherein: the R representative has the alkyl of 1-12 carbon atom;
R ' representative has the alkyl of 6-20 carbon atom.
3. according to the described combination of claim 1, it is characterized in that: (B accounts for the 10.0-20.0% of composition total mass to component.
4. according to the described composition of claim 1, it is characterized in that: component (C) accounts for the 3.0-18.0% of composition quality.
5. according to the described composition of claim 1, it is characterized in that: component (D) accounts for the 0.01-2.0% of composition total mass, and its structure is:
Figure A9610956100022
The R representative has the alkyl of 9-18 carbon atom, and the span of n is 12-20.
6. according to the described composition of claim 1, it is characterized in that: component (E) accounts for the .0-5.0% of composition total mass.
7. according to the described composition of claim 1, it is characterized in that: component (F) accounts for the 0.1-1.0% of composition total mass.
8. according to the described composition of claim 1, its total basicnumber is greater than 70mgKOH/g.
9. according to the described composition of claim 1, can be used for using lubricated between the marine low-speed cross-head diesel engine cylinder sleeve of high-sulfur alkene material and the piston.
CN96109561A 1996-08-30 1996-08-30 Ship IC engine oil composition Expired - Lifetime CN1053465C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN96109561A CN1053465C (en) 1996-08-30 1996-08-30 Ship IC engine oil composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN96109561A CN1053465C (en) 1996-08-30 1996-08-30 Ship IC engine oil composition

Publications (2)

Publication Number Publication Date
CN1175622A true CN1175622A (en) 1998-03-11
CN1053465C CN1053465C (en) 2000-06-14

Family

ID=5120441

Family Applications (1)

Application Number Title Priority Date Filing Date
CN96109561A Expired - Lifetime CN1053465C (en) 1996-08-30 1996-08-30 Ship IC engine oil composition

Country Status (1)

Country Link
CN (1) CN1053465C (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100513539C (en) * 2003-02-20 2009-07-15 中国石油天然气股份有限公司 Low ash lubricating oil composition for gas engine
CN102690713A (en) * 2011-03-24 2012-09-26 中国石油化工股份有限公司 Lubricant composition for ship outboard engine
CN105238524A (en) * 2015-10-19 2016-01-13 中国石油化工股份有限公司 Diesel engine oil composition and application
CN107502411A (en) * 2017-09-20 2017-12-22 温岭市朗熙石油化学科技有限公司 A kind of ship universal diesel engine oil
CN110317661A (en) * 2018-03-28 2019-10-11 中国石油化工股份有限公司 Ship use intermediate speed tubular piston-mode motor lubricant oil composite and preparation method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4966722A (en) * 1988-11-16 1990-10-30 Exxon Chemical Patents Inc. Oil additive compositions exhibiting reduced haze containing polymeric viscosity index improver
US5120566A (en) * 1989-11-10 1992-06-09 Fuji Oil Company, Limited Process for producing water-containing chocolate
CN1020044C (en) * 1990-06-20 1993-03-10 中国石油化工总公司石油化工科学研究院 EP oil composition for industrial gears
CN1062755A (en) * 1990-12-29 1992-07-15 张俊堂 Metal cold molding treating lubricating agent and preparation method thereof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100513539C (en) * 2003-02-20 2009-07-15 中国石油天然气股份有限公司 Low ash lubricating oil composition for gas engine
CN102690713A (en) * 2011-03-24 2012-09-26 中国石油化工股份有限公司 Lubricant composition for ship outboard engine
CN102690713B (en) * 2011-03-24 2013-12-25 中国石油化工股份有限公司 Lubricant composition for ship outboard engine
CN105238524A (en) * 2015-10-19 2016-01-13 中国石油化工股份有限公司 Diesel engine oil composition and application
CN105238524B (en) * 2015-10-19 2018-04-13 中国石油化工股份有限公司 Diesel engine oil composition and purposes
CN107502411A (en) * 2017-09-20 2017-12-22 温岭市朗熙石油化学科技有限公司 A kind of ship universal diesel engine oil
CN107502411B (en) * 2017-09-20 2020-04-07 浙江朗熙石油化学科技有限公司 Universal diesel engine oil for ships
CN110317661A (en) * 2018-03-28 2019-10-11 中国石油化工股份有限公司 Ship use intermediate speed tubular piston-mode motor lubricant oil composite and preparation method thereof
CN110317661B (en) * 2018-03-28 2022-07-15 中国石油化工股份有限公司 Lubricating oil composition for marine medium-speed trunk piston engine and preparation method thereof

Also Published As

Publication number Publication date
CN1053465C (en) 2000-06-14

Similar Documents

Publication Publication Date Title
CN1271185C (en) Lubricant compsns. for driving gear
EP1088882B1 (en) Lubricating compositions comprising a molybdenum-containing amine compound
EP0673991B1 (en) Ashless lubricant
CN101389739A (en) Nitrogen-containing dispersant as an ashless tbn booster forlubricants
CN1250685C (en) Lubricant composition
CN1450152A (en) Lubricating oil composition
CN106967479A (en) Lubricating oil composition and method for producing same
CN1711345A (en) Lubricating oil
CN1392228A (en) Lubricating oil composition
CN101040035A (en) Tartaric acid derivatives as fuel economy improvers and antiwear agents in crankcase oils and preparation thereof
JPS59122597A (en) Lubricating oil composition
JP2006328265A (en) Lubricating oil composition
CN1439697A (en) Lube composition
CA2442764A1 (en) Oil compositions comprising overbased sulfonates for improved fuel economy
CN101058761A (en) Lubricant compositions for an automatic transmission
JP2005179683A5 (en)
CN100347277C (en) Lubricating oil additive and lubricating oil composition
CN1260332C (en) Full loss mechanical lubricating oil
WO2017149119A1 (en) Lubricant composition based on neutralized amines and molybdenum
CN1053465C (en) Ship IC engine oil composition
CN1865418A (en) Lubricating oil compositions
CN1288047A (en) Composite additive of lubricating oil for industrial gear turbine
CN1286960C (en) Internal combustion engine oil and composite additive composition
CN1260334C (en) Lubricating oil composition
CN1071374C (en) Lubricating oil for internal combustion engine

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term

Granted publication date: 20000614

EXPY Termination of patent right or utility model
DD01 Delivery of document by public notice

Addressee: Lanzhou Oil Refining Chemical Genernal Plant, Chinese Petro-Chemical Corp.

Document name: Notification of Expiration of Patent Right Duration