Patent US5229023A successfully refreshed from Google Patents.
US5229023A
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Telomerized triglyceride vegetable oil for lubricant additives
Assignee: International Lubricants Inc
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Filing: 1991-10-11
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Granted: 1993-07-20
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Expires: 2011-10-11
Abstract
Abstract There is disclosed a group of lubricant additives that have improved oxidative stability, high viscosity and relatively lower cost and that comprise telomerized vegetable oils having no more than 4% polyunsaturated fatty acids. There is also disclosed sulfurized and phosphite adduct derivatives of telomerized vegetable oil for use as lubricant additives.
Inventors
- 👤 Phillip S. Landis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:58
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C10; C10M; C10M135/00; C10M135/02; C10M135/06; C10M159/00; C10M159/02; C10M159/08; C10M159/12; C10M159/123; C10M163/00; C10M2207/00; C10M2207/40; C10M2207/402; C10M2207/404; C10M2219/00; C10M2219/02; C10M2219/024; C10M2223/00; C10M2223/12; C10M2223/121; C10M2227/00
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
17 words
A telomerized triglyceride comprising no more than 4% polyunsaturated fatty acids and a plurality of aliphatic rings.
Claim 2
Dependent Claim
17 words
A telomerized triglyceride comprising no more than 4% polyunsaturated fatty acids and a plurality of aliphatic rings.
Claim 3
Dependent Claim
52 words
The telomerized vegetable oil of claim 1 wherein the source of triglyceride vegetable oil is selected from the group consisting of rapeseed oil, crambe oil, meadowfoam oil, soya bean oil, peanut oil, corn oil, safflower oil, sunflower seed oil, cottonseed oil, olive oil, coconut oil, palm oil, linseed oil, and combinations thereof.
Claim 4
Dependent Claim
49 words
The telomerized vegetable oil of claim 1 wherein the source of triglyceride vegetable oil is characterized by having at least 90% of its fatty acids from about 16 to about 26 carbon atoms in length, and having from about 10% to about 75% of the fatty acids as polyunsaturated.
Claim 5
Dependent Claim
46 words
The telomerized vegetable oil of claim 3 wherein the source of the triglyceride vegetable oil comprises fatty acids that are from about 18 to about 22 carbon atoms in length and having from about 15% to about 50% of the fatty acids as polyunsaturated fatty acids.
Claim 6
Dependent Claim
33 words
The telomerized vegetable oil of claim 4 wherein the source of the triglyceride vegetable oil is selected from the group consisting of rapeseed oil, crambe oil, meadowfoam oil, corn oil, and combinations thereof.
Claim 7
Dependent Claim
12 words
A lubricant additive comprising a telomerized vegetable oil according to claim 1.
Claim 8
Dependent Claim
103 words
A telomerized vegetable oil produced by a process comprising heating a triglyceride vegetable oil in a non-oxidizing atmosphere in the presence of water vapor for at least 5 hours at a temperature from about 200° C. to about 400° C. or heating under sufficient heat and time conditions to lower the number of polyunsaturated fatty acids to less than 4% of the total number of fatty acids through the formation of aliphatic rings, wherein said triglyceride vegetable oil has from about 10% to about 75% of its fatty acids being polyunsaturated and having from about 16 to about 26 carbon atom chain lengths.
Claim 9
Dependent Claim
103 words
A telomerized vegetable oil produced by a process comprising heating a triglyceride vegetable oil in a non-oxidizing atmosphere in the presence of water vapor for at least 5 hours at a temperature from about 200° C. to about 400° C. or heating under sufficient heat and time conditions to lower the number of polyunsaturated fatty acids to less than 4% of the total number of fatty acids through the formation of aliphatic rings, wherein said triglyceride vegetable oil has from about 10% to about 75% of its fatty acids being polyunsaturated and having from about 16 to about 26 carbon atom chain lengths.
Claim 10
Dependent Claim
50 words
The telomerized vegetable oil of claim 7 wherein the triglyceride vegetable oil is selected from the group consisting of rapeseed oil, crambe oil, meadowfoam oil, soya bean oil, peanut oil, corn oil, safflower oil, sunflower seed oil, cottonseed oil, olive oil, coconut oil, palm oil, linseed oil, and combinations thereof.
Claim 11
Dependent Claim
39 words
The telomerized vegetable oil of claim 7 further comprising adding a catalyst to the triglyceride vegetable oil, wherein the catalyst is selected from the group consisting of cationic catalysts, anionic catalysts, solid acid catalysts, reaction initiators, and combinations thereof.
Claim 12
Dependent Claim
13 words
The telomerized vegetable oil of claim 7 wherein the non-oxidizing atmosphere comprises nitrogen.
Claim 13
Dependent Claim
103 words
A process for telomerizing a triglyceride vegetable oil comprising heating a triglyceride vegetable oil in a non-oxidizing atmosphere in the presence of water vapor for at least 5 hours at a temperature from about 200° C. to about 400° C. or heating under sufficient heat and time conditions to lower the number of polyunsaturated fatty acids to less than 4% of the total number of fatty acids through the formation of aliphatic rings, wherein said triglyceride vegetable oil having from about 10% to about 75% of its fatty acids being polyunsaturated and having from about 16 to about 26 carbon atom chain lengths.
Claim 14
Dependent Claim
103 words
A process for telomerizing a triglyceride vegetable oil comprising heating a triglyceride vegetable oil in a non-oxidizing atmosphere in the presence of water vapor for at least 5 hours at a temperature from about 200° C. to about 400° C. or heating under sufficient heat and time conditions to lower the number of polyunsaturated fatty acids to less than 4% of the total number of fatty acids through the formation of aliphatic rings, wherein said triglyceride vegetable oil having from about 10% to about 75% of its fatty acids being polyunsaturated and having from about 16 to about 26 carbon atom chain lengths.
Claim 15
Dependent Claim
48 words
The process of claim 11 wherein the triglyceride vegetable oil is selected from the group consisting of rapeseed oil, crambe oil, meadowfoam oil, soya bean oil, peanut oil, corn oil, safflower oil, sunflower seed oil, cottonseed oil, olive oil, coconut oil, palm oil, linseed oil, and combination thereof.
Claim 16
Dependent Claim
35 words
The process 11 further comprising adding a catalyst to the triglyceride vegetable oil, wherein the catalyst is selected from the group consisting of cationic catalysts, anionic catalysts, solid acid catalysts, reaction initiators, and combinations thereof.
Claim 17
Dependent Claim
35 words
The process 11 further comprising adding a catalyst to the triglyceride vegetable oil, wherein the catalyst is selected from the group consisting of cationic catalysts, anionic catalysts, solid acid catalysts, reaction initiators, and combinations thereof.
Claim 18
Dependent Claim
11 words
The process of claim 11 wherein the non-oxidizing atmosphere comprises nitrogen.
References Cited (Backward Citations)
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1996-07-19 | 1997-01-18 | 1997-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-07-19 | 2001-01-18 | 2001-07-20 | $3760.00 | Window Closed / Lapsed |
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