CN1076393C - Automobile automatic drive liquid composition - Google Patents
Automobile automatic drive liquid composition Download PDFInfo
- Publication number
- CN1076393C CN1076393C CN98123906A CN98123906A CN1076393C CN 1076393 C CN1076393 C CN 1076393C CN 98123906 A CN98123906 A CN 98123906A CN 98123906 A CN98123906 A CN 98123906A CN 1076393 C CN1076393 C CN 1076393C
- Authority
- CN
- China
- Prior art keywords
- component
- liquid composition
- add
- drive liquid
- automatic drive
- 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.)
- Expired - Fee Related
Links
Abstract
The present invention provides multifunctional lubricating oil mainly used for the automatic speed changing systems of cars and light trucks. The lubricating oil mainly comprises a synthetic, semi-synthetic or highly de-waxing mineral type hydrogenation base oil (A), at least one viscosity index improver (B), at least one extreme-pressure and anti-wear agent (C), at least one friction improver (D), at least one antioxidant (E), at least one metal deactivator (F), at least one oiliness agent (G), at least one anti-rust agent (H), at least one dispersing agent (I) and at least one antifoaming agent (J). The components are proportionally and uniformly mixed at certain temperature to prepare an automatic vehicle driving liquid equivalent to DexronIIE, New Mercon and Allison C-4 specifications.
Description
The present invention relates to a kind of automobile automatic drive liquid composition, especially a kind of lubricating oil composition that is used for car and light truck automatic speed-changing system belongs to the lubricating oil field.
The development of Automatic Transmission Fluids in Foreign Countries has the history of decades.It mainly contains the product of the specification such as Dexron IID, DexronIIE, DexronIII of General Motors Overseas Corporation; The Mercon of U.S. Ford and NeW Mercon specification product; The Allison C-3 of U.S. Ai Lixun company and Allison C-4 specification product.European patent EP 407,624, EP436,872, EP454 has described this based composition in the patents such as 395.Domesticly this based composition is described in Chinese patents CN-1056894A by U.S. Lubrizol company.The described composition of patent CN-1056894A mainly contain the metal-salt of boronation, at least a polysulfide and a kind of be not the phosphide of zinc dithiophosphate.
Therefore, the objective of the invention is: by selecting several novel friction improvers for use, and seek its best synergistic effect; Develop the automobile automatic drive liquid that a kind of performance meets DexronII E specification fully by selecting several best complex novel and oxidation inhibitor commonly used for use.Automobile automatic drive liquid composition of the present invention not only has good low-temperature performance, sticking warm nature and extraordinary antioxygen, anti-rotten, rust-preventing characteristic, and has performances such as good rubbing characteristics and friction weather resistance.
The present invention investigates meticulously to the base oil binder component in the lubricating oil composition to achieve these goals.Consider that not only additive plays a major role in oil product, (can obviously improve the oxidation-resistance of oil product as metal passivator, friction improver can improve the rubbing characteristics of oil product etc.), but also consider the influence of additive itself to oil product thermostability, oxidative stability and rubbing characteristics.(as extreme pressure agent, its extreme pressure property is good more, and its thermostability and oxidative stability are poor more, causes the oxidation-resistance of oil product poor more like this, and oiliness improver and rust-preventive agent are bigger to the rubbing characteristics influence of oil product).Exist between the various additives simultaneously add and, mutual inhibition and consonance effect, therefore depend merely on and select binder component can not realize above-mentioned purpose, also must each performance requriements carries out overall balance in the specification by satisfy comprehensively to each binder component in the composition.
Automobile automatic drive liquid composition of the present invention, it contains: (A) synthesis type, the moulding that narrows, or degree of depth dewaxing mineral type, or hydrotreating base oil; (B) at least a viscosity index improver; (C) at least a extreme pressure anti-wear additives; (D) at least a friction improver; (E) at least a oxidation inhibitor; (F) at least a metal passivator; (G) at least a oiliness improver; (H) at least a rust-preventive agent; (I) at least a dispersion agent; (J) at least a kilfoam.
Wherein said (A) is the mineral oil, hydrotreating base oil, their mixture of Poly alpha Olefins (PAO), degree of depth dewaxing, and its add-on is 80-95%.
What (B) component was suitable is that polymethacrylate (can obtain from the last 602D that factory of shanghai refinery produces, can obtain from the T602 that Hainan, Shanghai additive factory produces, also can obtain from V-0-501 or the V-0-401 that German Huels AG produces, or the like product of domestic other manufacturer obtains), polyisobutene (can obtain from the T603 series product that Jinzhou refinery is produced, or the like product of domestic other manufacturer obtains), ethylene-propylene copolymer (can be from the T612 of Maoming research institute of petrochemical corporation (complex) production, T613, T614, T612A, T621, or the like product of domestic other manufacturer obtains), its add-on is 1.0-12%.
What (C) component was suitable is that triphenyl-thiophosphate (can be from the T309 of Weihua Chemicals ﹠ Oils Co., Ltd., Shenyang's production; or the like product of domestic other manufacturer obtains); the multiple ester amine salt of the sulphur phosphoric acid (T307 that can produce from Ning Jiang chemical plant, Nanjing; or the like product of domestic other manufacturer obtains); the tricresyl phosphate formic acid phenolic ester (T306 that can produce from chemical plant, strand, Tianjin; or the like product of domestic other manufacturer obtains); acid phosphate amine salt (can be from the T308 of Lanzhou oil-refining chemical head factory production; or the like product of domestic other manufacturer obtains); tribenzyl two sulphur (can be from the T322 of Dalian Chemical Assistants Factory's production; or the like product of domestic other manufacturer obtains); their mixture, its add-on are 0.2-2.0%.
What (D) component was suitable is that phosphorous acid ester (can be from Lanzhou oil-refining chemical head factory, or the Lz5901 of Lubrizol company production, or the like product of domestic other manufacturer obtains), boronation lipid acid (can obtain from Lanzhou oil-refining chemical head factory, or the like product of domestic other manufacturer obtains), phosphoric acid ester (can be from the T451 of Wangcheng, Changsha petrochemical plant production, or the like product of domestic other manufacturer obtains), sulphur molybdenum phosphate (can be from Beijing T461 that produces of three fine chemistry industry affiliated companies, or the like product of domestic other manufacturer obtains), their mixture, its add-on are 0.2-2.0%.
What (E) component was suitable is that dinonyldiphenylamine (can be from Lanzhou oil-refining chemical head factory, or the like product of domestic other manufacturer obtains), 2.6-ditertbutylparacresol (can be from the T501 of Jinzhou refinery production, or the like product of domestic other manufacturer obtains), the L115 that Ciba company produces, the L57 that Ciba company produces, N-phenyl-a naphthylamines (the T531 that can produce from chemical plant on May Day, Tianjin, or the like product of domestic other manufacturer obtains), 2.6-the di-t-butyl mixed phenol (T502 that can produce from the Beijing Chemical Plant, or the like product of domestic other manufacturer obtains), their mixture, its add-on are 0.2-2.5%.
What (F) component was suitable is that the 124 Triazole derivative (can be from the T551 of Lanzhou oil-refining chemical head factory production, or the like product of domestic other manufacturer acquisition), thiadiazoles derivative (can be from the T561 of Lanzhou oil-refining chemical head factory production, or the like product of domestic other manufacturer obtains), the L39 that produces of Ciba company, their mixture, its add-on is 0.02-0.2%.
That (G) component is suitable is the 124 Triazole fatty amine salt (T406 that can produce from Ning Jiang chemical plant, Nanjing, or the like product of domestic other manufacturer obtains), oleic acid glycol ester (can be from the T403 of Lanzhou oil-refining chemical head factory production, or the like product of domestic other manufacturer obtains), the sulfuration Oleum Gossypii semen (can be from the T404 of Shenyang petrochemical complex three factories production, or the like product of domestic other manufacturer obtains), sulfurized olefin cotton oil (can be from the T405 of Shenyang petrochemical complex three factories production, or the like product of domestic other manufacturer obtains), their mixture, its add-on are 0.02-0.6%.
That (H) component is suitable is the benzotriazole (T706 that can produce from Ning Jiang chemical plant, Nanjing, or the like product of domestic other manufacturer acquisition), alkenyl succinic acid (can be from the T746 of Lanzhou oil-refining chemical head factory production, or the like product of domestic other manufacturer acquisition), the alkenyl succinic acid ester (can be from the T747 of Lanzhou oil-refining chemical head factory production, or the like product of domestic other manufacturer obtains), its add-on is 0.02-0.5%.
What (I) component was suitable is that diene base succimide (can be from the T152 of Lanzhou oil-refining chemical head factory production, or the like product of domestic other manufacturer obtains, or the P52 acquisition of EXXON production), the polyene-based succimide (can be from the T153 of Lanzhou oil-refining chemical head factory production, or the like product of domestic other manufacturer obtains), its add-on is 0.2-5.0%.
What (J) component was suitable is methyl-silicone oil, vinylformic acid and ether copolymer, both mixtures, and its add-on is 2-20 μ g/g.
Method for making: in (A) that meets the demands, add component (B), after stirring 4h after heated and stirred arrives 60-70 ℃, slowly add component (J), add (D) (E) (F) (G) (H) (I) of component (C) then successively, reheat stirs more than the 6h, until the whole uniform dissolution of each component to 75-85 ℃ of constant temperature.
In order to screen binder component and lubricating oil composition, the present invention adopts quick oxidation test simulation U.S.'s Ford's Aluminium Beaker Oxidation Test (ABOT) in the laboratory.Test conditions is: the 30ml oil sample pack into contain copper, aluminium, just sheet is done in the oxidation tube of catalyzer, tests 72h under 165 ℃, every 25ml/min conditions of air.Acid number variation, carbonyl absorption peak to peak value, the pentane insolubles of measuring oil product after test finishes reach copper sheet are graded.
With the rubbing characteristics of improved FALEX rubbing characteristics test and Shanghai one rubbing characteristics July 1st test investigation oil product, result and import oil phase are relatively.Effect of the present invention further specifies by the following examples.But the following examples do not limit the scope of the invention, and any change that does not exceed design of the present invention and scope all within the scope of the present invention.If no special instructions, used temperature is degree centigrade among the present invention, and used percentage ratio (%) is mass percent.
Embodiment 1:
Lubricating oil composition (I) comprising: 89.42% component (A), the i.e. mixture of the Poly alpha Olefins (PAO) and degree of depth dewaxing mineral oil; 5.5% component (B), the i.e. dispersed ethylene-propylene copolymer of T621; 0.6% component (C), i.e. T309 triphenyl-thiophosphate; 0.66% component (D), the i.e. mixture of T451 phosphoric acid ester and T461 sulphur molybdenum phosphate; 1.2% component (E), the i.e. mixture of dinonyldiphenylamine and T501 (2.6-ditertbutylparacresol); 0.04% component (F), i.e. T561 thiadiazoles derivative; 0.02% component (G), i.e. T405 sulfurized olefin cotton oil; 0.06% component (H), i.e. T706 benzotriazole; 2.5% component (I), i.e. T152 diene base succimide; 8 μ g/g component (J), i.e. T901 methyl-silicone oils.Composition (II) is compared with composition (I) and is not contained component (I), i.e. T152 diene base succimide, and all the other are all identical with composition (I).By component. (A) and the performance of the multiviscosisty base oil that satisfies the DexronIIE specification requirement (B) formed as showing shown in-1.
Table-1 automatic transmission fluid multiviscosisty base oil character
| Project | Measured value |
| 100 ℃ of kinematic viscosity mm 2/s | 6.70 |
| Low-temperature dynamic viscosity mPa.s | 12400 |
| Open flash point ℃ | 170 |
| Pour point ℃ | ＜-40 |
Table-2 oxidation-resistances evaluations (1)
| Project | Measured value | |
| Composition (I) | Composition (II) | |
| Acid number changes mgKOH/g | 6.18 | 8.79 |
| Pentane insolubles % | 3.20 | 5.16 |
| The carbonyl absorption peak to peak value | 4.48 | 4.84 |
Test shows that composition (II) compares with composition (I), and composition (II) does not contain diene base succimide, and then its oxidation-resistance is relatively poor.
Embodiment 2:
Lubricating oil composition (III) comprising: 88.97% component (A), the i.e. mixture of Poly alpha Olefins (PAO) oil and degree of depth dewaxing mineral oil; 5.5% component (B) promptly goes up the 602D polymethacrylate; 1.0% component (C), the i.e. multiple ester amine salt of T307 sulphur phosphoric acid; 0.78% component (D), the i.e. mixture of phosphorous acid ester and boronation lipid acid; 0.6% component (E), the i.e. mixture of T531N-phenyl-a naphthylamines and T501 (2.6-ditertbutylparacresol); 0.04% component (F), i.e. T551 124 Triazole derivative; 0.05% component (G), i.e. T406 124 Triazole fatty amine salt; 0.06% component (H), i.e. T706 benzotriazole; 3.0% component (I), i.e. T155 polyene-based succimide; 8 μ g/g component (J), i.e. T901 methyl-silicone oils; Composition (IV) is compared with composition (III) and is not contained component (F), i.e. T551 124 Triazole derivative, and all the other are all identical with composition (III).
Table-3 oxidation-resistances evaluations (2)
| Project | Composition (III) | Composition (IV) |
| The copper sheet grading | 2e/3a | 3b/3b |
Test shows that composition (IV) compares with composition (III), and composition (IV) does not contain T551 124 Triazole derivative, and is then more serious to the corrosion of copper after its oxidation.
Embodiment 3:
Lubricating oil composition (V) comprising: 90.3% component (A), the mixture of hydrotreatment basis and degree of depth dewaxing mineral oil; 5.5% component (B) promptly goes up the 602D polymethacrylate; 0.5% component (C), i.e. T308 acid phosphate amine salt; 0.54% component (D), the i.e. mixture of T451 phosphoric acid ester and boronation lipid acid; 0.48% component (E), the i.e. mixture of dinonyldiphenylamine and T501 (2.6. ditertbutylparacresol); 0.04% component (F), i.e. T561 thiadiazoles derivative; 0.06% component (G), i.e. T403 oleic acid glycol ester; 0.08% component (H), i.e. T746 alkenyl succinic acid; 2.5% component (I), i.e. T152 diene base succimide; 6 μ g/g component (J), i.e. T901 methyl-silicone oils; Composition (VI) is compared with composition (V) and is not contained component (D), i.e. the mixture of T451 phosphoric acid ester and boronation lipid acid, and all the other are all identical with composition (V).
The evaluation of table-4 rubbing characteristicss
| Project | Import oil | Composition (V) | Composition (VI) |
| Rubbing characteristics | Good | Better | Relatively poor |
Test shows that composition (VI) compares with composition (V), and composition (VI) does not contain the mixture of phosphorous acid ester and boronation lipid acid, and then its rubbing characteristics is relatively poor.
Embodiment 4:
Lubricating oil composition (VII) comprising: 88.14% component (A), the mixture of the mineral oil of hydrotreating base oil and degree of depth dewaxing; 5.5% component (B) promptly goes up the 602D polymethacrylate; 0.6% component (C), the i.e. mixture of T322 tribenzyl two sulphur and T309 triphenyl-thiophosphate; 0.60% component (D), i.e. phosphorous acid ester; 3.5% component (E), the i.e. mixture of L57 and T501 (2.6-ditertbutylparacresol); 0.06% component (F), i.e. T551 124 Triazole derivative; 0.04% component (G), i.e. T404 sulfuration Oleum Gossypii semen; 0.06% component (H), T747 alkenyl succinic acid ester; 3.5% component (I), i.e. T152 diene base succimide; 10 μ g/g component (J), i.e. T901 methyl-silicone oils; Composition (VIII) is compared with composition (VII) and is not contained component (H) T747 alkenyl succinic acid ester (G) T404 sulfuration Oleum Gossypii semen, and all the other are all identical with composition (VII).
The evaluation of table-5 rubbing characteristicss
Test shows that composition (VIII) compares with composition (VII), and composition (VIII) does not contain component (H) T706 benzotriazole and component (G) T406 124 Triazole fatty amine salt, and then its rubbing characteristics is relatively poor.Explanation component (H) and component (G) etc. are bigger to the influence of automobile automatic drive liquid rubbing characteristics like this.
| Project | Import oil | Composition (VII) | Composition (VIII) |
| Rubbing characteristics | Good | Better | Relatively poor |
Claims (11)
1. automobile automatic drive liquid composition is characterized in that it contains:
(A) base oil, its add-on are 80-95m%;
(B) at least a viscosity index improver, its add-on are 1.0-12.0m%;
(C) at least a extreme pressure anti-wear additives, its add-on are 0.2-2.0m%;
(D) at least a friction improver, its add-on are 0.2-2.0m%;
(E) at least a oxidation inhibitor, its add-on are 0.2-2.5m%;
(F) at least a metal passivator, its add-on are 0.02-0.2m%;
(G) at least a oiliness improver, its add-on are 0.02-0.6m%;
(H) at least a rust-preventive agent, its add-on are 0.02-0.5m%;
(I) at least a dispersion agent, its add-on are 0.2-5.0m%;
(J) at least a kilfoam, its add-on are 2-20 μ g/g.
2. automobile automatic drive liquid composition according to claim 1 is characterized in that the mixture of said component (A) for the mineral oil of mineral oil, Poly alpha Olefins (PAO) and the degree of depth dewaxing of Poly alpha Olefins (PAO), degree of depth dewaxing.
3. automobile automatic drive liquid composition according to claim 1 is characterized in that said component (B) is polymethacrylate, polyisobutene, ethylene-propylene copolymer.
4. automobile automatic drive liquid composition according to claim 1 is characterized in that the mixture of said component (C) for triphenyl-thiophosphate, the multiple ester amine salt of sulphur phosphoric acid, tritolyl phosphate, acid phosphate amine salt, tribenzyl two sulphur, any two components of said components.
5. automobile automatic drive liquid composition according to claim 1 is characterized in that the mixture of said component (D) for phosphorous acid ester, boronation lipid acid, phosphoric acid ester, sulphur molybdenum phosphate, any two components of said components.
6. automobile automatic drive liquid composition according to claim 1 is characterized in that the mixture of said component (E) for the mixture of dinonyldiphenylamine, 2.6-ditertbutylparacresol, L57 that Ciba company produces, L115, N-phenyl-a naphthylamines that Ciba company produces, 2.6-di-t-butyl mixed phenol, any two components of said components.
7. automobile automatic drive liquid composition according to claim 1 is characterized in that the L39 that said component (F) is produced for 124 Triazole derivative, thiadiazoles derivative, Ciba company.
8. automobile automatic drive liquid composition according to claim 1 is characterized in that said component (G) is 124 Triazole fatty amine salt, oleic acid glycol ester, sulfuration Oleum Gossypii semen, sulfurized olefin cotton oil.
9. automobile automatic drive liquid composition according to claim 1 is characterized in that said component (H) is benzotriazole, alkenyl succinic acid, alkenyl succinic acid ester, above-mentioned any two or three mixture.
10. automobile automatic drive liquid composition according to claim 1 is characterized in that said component (I) is diene base succimide, polyene-based succimide, both mixtures.
11. automobile automatic drive liquid composition according to claim 1 is characterized in that said component (J) is methyl-silicone oil, vinylformic acid and ether copolymer, both mixtures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98123906A CN1076393C (en) | 1998-10-30 | 1998-10-30 | Automobile automatic drive liquid composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98123906A CN1076393C (en) | 1998-10-30 | 1998-10-30 | Automobile automatic drive liquid composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1259562A CN1259562A (en) | 2000-07-12 |
| CN1076393C true CN1076393C (en) | 2001-12-19 |
Family
ID=5228384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98123906A Expired - Fee Related CN1076393C (en) | 1998-10-30 | 1998-10-30 | Automobile automatic drive liquid composition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1076393C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2791294B1 (en) | 2011-12-16 | 2020-09-02 | Total Marketing Services | Lubricating compositions for transmissions |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3921178B2 (en) * | 2003-02-21 | 2007-05-30 | 新日本石油株式会社 | Lubricating oil composition for transmission |
| CN101213277B (en) * | 2005-06-29 | 2011-05-04 | 新日本石油株式会社 | Base oil and compositions for hydraulic oil |
| CN101298578B (en) * | 2007-04-30 | 2010-09-08 | 中国石油天然气股份有限公司 | Sedan hand gearshift case gear lubricating oil composition |
| CN101240213B (en) * | 2008-03-03 | 2011-05-18 | 中国石油化工股份有限公司 | Lubricating oil composition for pneumatic tool |
| CN102260578A (en) * | 2010-05-26 | 2011-11-30 | 比亚迪股份有限公司 | Electric engine oil composition, and preparation method thereof |
| CN102676280B (en) * | 2011-03-10 | 2015-05-27 | 中国石油天然气股份有限公司 | Automotive hydraulic shock absorber oil composition |
| CN103710085B (en) * | 2013-11-19 | 2015-06-03 | 广西大学 | Cold rolling lubricant for silver and silver alloy foil |
| CN106635322A (en) * | 2016-11-16 | 2017-05-10 | 新乡市嘉润石化有限公司 | High-speed drawing lubricant oil for metal or metal alloy, and preparation method of high-speed drawing lubricant oil |
| CN106906030A (en) * | 2017-02-21 | 2017-06-30 | 广西中烟工业有限责任公司 | A kind of composition of fully synthetic industrial robot lubricating grease belongs to lubricating grease |
| CN106939181A (en) * | 2017-04-01 | 2017-07-11 | 江苏奥克化学有限公司 | A kind of automatic drive liquid composition and automatic transmission fluid |
| CN110846110A (en) * | 2019-11-25 | 2020-02-28 | 陕汽榆林金帝润滑油有限公司 | Special lubricating oil for elevator and preparation method thereof |
| CN113372981A (en) * | 2021-05-19 | 2021-09-10 | 安美科技股份有限公司 | Fiber lubricant and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1070679A (en) * | 1991-09-17 | 1993-04-07 | 岳江 | Synthetic brake oil and method for making thereof |
| CN1175973A (en) * | 1995-12-22 | 1998-03-11 | 株式会社日本能源 | Lubricating oil for IC engines |
-
1998
- 1998-10-30 CN CN98123906A patent/CN1076393C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1070679A (en) * | 1991-09-17 | 1993-04-07 | 岳江 | Synthetic brake oil and method for making thereof |
| CN1175973A (en) * | 1995-12-22 | 1998-03-11 | 株式会社日本能源 | Lubricating oil for IC engines |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2791294B1 (en) | 2011-12-16 | 2020-09-02 | Total Marketing Services | Lubricating compositions for transmissions |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1259562A (en) | 2000-07-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1673321A (en) | Prepn of automatic automobile driving liquid with hydrogenated oil | |
| CN1076393C (en) | Automobile automatic drive liquid composition | |
| US6462001B1 (en) | Complex esters, formulations comprising these esters and use thereof | |
| CN1231564C (en) | High perofmrnace lubricating oils | |
| CA2537311C (en) | Lubricating compositions for automotive gears | |
| US8445418B2 (en) | Lubricating oil composition for internal combustion engine | |
| CN101918521B (en) | Lubricant composition | |
| KR900005107B1 (en) | Lubricating oil composition | |
| BRPI0709854A2 (en) | lubricant, energy-saving method using a gear lubricant, process for producing an energy-saving automotive gear lubricant, and lubricating oil | |
| JP2009533497A (en) | Gear lubricant with low Brookfield ratio | |
| Srivastava | Developments in lubricant technology | |
| KR900005106B1 (en) | Lubricating oil composition | |
| AU2006239188A1 (en) | Vegetable oil lubricant comprising Fischer Tropsch synthetic oils | |
| CN104204170A (en) | Lubricating oil composition | |
| CN1058520C (en) | Gear lubricating oil composition | |
| KR20050087734A (en) | Lubricant compositions for providing anti-shudder performance and elastomeric component compatibility | |
| CN1206331C (en) | Gear oil composition capable of raising performance of main drive system | |
| CN101218330A (en) | Long-life fuel-saving engine oil composition | |
| DE60107660T2 (en) | FUNCTIONAL LIQUID | |
| Blackwell et al. | Current and future polyalphaolefins | |
| US20140274829A1 (en) | Multi-grade engine oil formulations with improved mini-rotary viscometer results | |
| CN101497842A (en) | Low-deposition fuel consumption-saving type engine oil composition | |
| US9290713B2 (en) | Base oil blend upgrading process with a group II base oil to yield improved mini-rotary viscometer results | |
| CA2896641A1 (en) | Multi-grade engine oil formulations with improved mini-rotary viscometer results | |
| CN112552983B (en) | Ashless vehicle gear oil and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Lanzhou Oil Refining Chemical Genernal Plant, Chinese Petro-Chemical Corp. Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Lanzhou Oil Refining Chemical Genernal Plant, Chinese Petro-Chemical Corp. Document name: Notification of Termination of Patent Right |
|
| DD01 | Delivery of document by public notice | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20011219 Termination date: 20171030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |