US2004224860A1PendingUtilityA1

Lubricating oil compositions

32
Priority: Feb 18, 2003Filed: Feb 18, 2004Published: Nov 11, 2004
Est. expiryFeb 18, 2023(expired)· nominal 20-yr term from priority
Inventors:Yoshiharu BabaKeiichi MorikiMitsuhiro NagakariMinoru Saitou
C10M 2205/173C10N 2040/04C10M 2215/04C10N 2020/02C10N 2040/02C10N 2020/017C10M 2207/026C10N 2040/12C10M 169/04C10N 2040/08C10N 2040/30C10M 2205/0206C10M 2205/103C10M 2215/064C10N 2030/06C10M 171/02C10M 133/06
32
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Claims

Abstract

A lubricating oil composition comprising lubricating oil base oil is provided wherein such composition has a kinematic viscosity at 40° C. of from 18 to 60 mm 2 /s, a viscosity index of from 130 to 150 and a density at 15° C. of from 0.80 to 0.84 g.cm −3 .

Claims

exact text as granted — not AI-modified
We claim:  
     
         1 . A lubricating oil composition comprising lubricating oil base oil, said composition having a kinematic viscosity at 40° C. of from 18 to 60 mm 2 /s, a viscosity index of from 130 to 150 and a density at 15° C. of from 0.80 to 0.84 g.cm −3 .  
     
     
         2 . The lubricating oil composition of  claim 1  further comprising a primary amine having a C 8  to C 20  tertiary alkyl group which can be represented by general formula (1) below  
       
         
           
           
               
               
           
         
       
       wherein x is an integer of value from 1 to 17, y is an integer of value from 1 to 17, z is an integer of value from 1 to 17, and x+y+z is an integer of value from 7 to 19.  
     
     
         3 . The lubricating oil composition of  claim 2  wherein from 0.001 to 5.0 parts by weight of the primary amine represented by general formula (1) is compounded per 100 parts by weight of the lubricating oil composition.  
     
     
         4 . The lubricating oil composition of  claim 1  wherein the composition has a flash point of at least 220° C. as measured by JIS K2265.  
     
     
         5 . The lubricating oil composition of  claim 2  wherein the composition has a flash point of at least 220° C. as measured by JIS K2265.  
     
     
         6 . The lubricating oil composition of  claim 3  wherein the composition has a flash point of at least 220° C. as measured by JIS K2265.  
     
     
         7 . The lubricating oil composition of  claim 1  wherein the lubricating oil base oil is a Fischer-Tropsch derived base oil.  
     
     
         8 . The lubricating oil composition of  claim 2  wherein the lubricating oil base oil is a Fischer-Tropsch derived base oil.  
     
     
         9 . The lubricating oil composition of  claim 3  wherein the lubricating oil base oil is a Fischer-Tropsch derived base oil.  
     
     
         10 . The lubricating oil composition of  claim 4  wherein the lubricating oil base oil is a Fischer-Tropsch derived base oil.  
     
     
         11 . The lubricating oil composition of  claim 5  wherein the lubricating oil base oil is a Fischer-Tropsch derived base oil.  
     
     
         12 . The lubricating oil composition of  claim 6  wherein the lubricating oil base oil is a Fischer-Tropsch derived base oil.  
     
     
         13 . The lubricating oil composition of  claim 1  wherein; said composition has a viscosity index of from 135 to 150.  
     
     
         14 . The lubricating oil composition of  claim 2  wherein said composition has a viscosity index of from 135 to 150.  
     
     
         15 . The lubricating oil composition of  claim 7  wherein said composition has a viscosity index of from 135 to 150.  
     
     
         16 . The lubricating oil composition of  claim 1  wherein said composition has a kinematic viscosity at 40° C. of from 25 to 53 mm 2 /s.  
     
     
         17 . The lubricating oil composition of  claim 2  wherein said composition has a kinematic viscosity at 40° C. of from 25 to 53 mm 2 /s.  
     
     
         18 . The lubricating oil composition of  claim 3  wherein said composition has a kinematic viscosity at 40° C. of from 25 to 53 mm 2 /s.  
     
     
         19 . The lubricating oil composition of  claim 7  wherein said composition has a kinematic viscosity at 40° C. of from 25 to 53 mm 2 /s.  
     
     
         20 . The lubricating oil composition of  claim 13  wherein said composition has a kinematic viscosity at 40° C. of from 25 to 53 mm 2 /s.  
     
     
         21 . The lubricating oil-composition of  claim 15  wherein said composition has a kinematic viscosity at 40° C. of from 25 to 53 mm 2 /s.  
     
     
         22 . The lubricating oil composition of  claim 1  wherein said composition has a density of from 0.81 to 0.84 g.cm −3 .  
     
     
         23 . The lubricating oil composition of  claim 2  wherein said composition has a density of from 0.81 to 0.84 g.cm −3 .  
     
     
         24 . The lubricating oil composition of  claim 7  wherein said composition has a density of from 0.81 to 0.84 g.cm −3 .  
     
     
         25 . The lubricating oil composition of  claim 13  wherein said composition has a density of from 0.81 to 0.84 g.cm −3 .  
     
     
         26 . The lubricating oil-composition of  claim 15  wherein said composition has a density of from 0.8 to 0.84 g.cm −3 .  
     
     
         27 . The lubricating oil composition of  claim 16  wherein said composition has a density of from 0.81 to 0.84 g.cm −3 .  
     
     
         28 . The lubricating oil composition of  claim 1  wherein said composition further comprises at least one lubricating oil additive selected from the group consisting of antioxidants, metal deactivators, extreme pressure additives, oil-improving agents, antifoaming agents, viscosity index improving agents, pour point depressants, cleaning dispersants, anti-rust agents and anti-emulsification agents.  
     
     
         29 . The lubricating oil composition of  claim 2  wherein said composition further comprises at least one lubricating oil additive selected from the group consisting of antioxidants, metal deactivators, extreme pressure additives, oil-improving agents, antifoaming agents, viscosity index improving agents, pour point depressants, cleaning dispersants, anti-rust agents and anti-emulsification agents.  
     
     
         30 . The lubricating oil composition of  claim 7  wherein said composition further comprises at least one lubricating oil additive selected from the group consisting of antioxidants, metal deactivators, extreme pressure additives, oil-improving agents, antifoaming agents, viscosity index improving agents, pour point depressants, cleaning dispersants, anti-rust agents and anti-emulsification agents.  
     
     
         31 . A hydraulic oil comprising the lubricating oil of  claim 1 .  
     
     
         32 . A machine tool oil comprising the lubricating oil-of  claim 1 .  
     
     
         33 . A gear oil comprising the lubricating oil of  claim 1 .  
     
     
         34 . A compressor oil comprising the lubricating oil of  claim 1 .  
     
     
         35 . A heat tranfer fluid comprising the lubricating oil of  claim 1 .  
     
     
         36 . A turbine oil comprising the lubricating oil of  claim 1 .  
     
     
         37 . A bearing oil comprising the lubricating oil of  claim 1 .  
     
     
         38 . A hydraulic oil comprising the lubricating oil of  claim 2 .  
     
     
         39 . A machine tool oil comprising the lubricating oil of  claim 2 .  
     
     
         40 . A gear oil comprising the lubricating oil of  claim 2 .  
     
     
         41 . A compressor oil comprising the lubricating oil of  claim 2 .  
     
     
         42 . A heat tranfer fluid comprising the lubricating oil of  claim 2 .  
     
     
         43 . A turbine oil comprising the lubricating oil of  claim 2 .  
     
     
         44 . A bearing oil comprising the lubricating oil of  claim 2 .  
     
     
         45 . A hydraulic oil comprising the lubricating oil of  claim 3 .  
     
     
         46 . A machine tool oil comprising the lubricating oil of  claim 3 .  
     
     
         47 . A gear oil comprising the lubricating oil of  claim 3 .  
     
     
         48 . A compressor oil comprising the lubricating oil of  claim 3 .  
     
     
         49 . A heat tranfer fluid comprising the lubricating oil of  claim 3 .  
     
     
         50 . A turbine oil comprising the lubricating oil of  claim 3 .  
     
     
         51 . A bearing oil comprising the lubricating oil of  claim 3 .  
     
     
         52 . A hydraulic oil comprising the lubricating oil of  claim 7 .  
     
     
         53 . A machine tool oil comprising the lubricating oil of  claim 7 .  
     
     
         54 . A gear oil comprising the lubricating oil of  claim 7 .  
     
     
         55 . A compressor oil comprising the lubricating oil of  claim 7 .  
     
     
         56 . A heat tranfer fluid comprising the lubricating oil of  claim 7 .  
     
     
         57 . A turbine oil comprising the lubricating oil of  claim 7 .  
     
     
         58 . A bearing oil comprising the lubricating oil of  claim 7.

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