US4031019A
Expired / Lapsed
US
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Alcohol esters of fatty acids as useful metalworking lubricants
Assignee: United States Department of Agriculture
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Filing: 1975-10-03
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Granted: 1977-06-21
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Expires: 1995-10-03
Abstract
Abstract Alcohol esters of fatty acids and their method of preparation are disclosed. Their high viscosities, smoke, flash, and fire points make these materials useful as lubricants in the continuous casting of steel and when sulfurized, as extreme pressure lubricant additives.
Inventors
- 👤 Edward W. Bell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:03
CPC Classifications
C; C10; C10M; C10M129/00; C10M129/02; C10M129/68; C10M129/74; C10M135/00; C10M135/02; C10M135/06; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2219/00; C10M2219/02; C10M2219/024; C10N; C10N2040/00; C10N2040/02; C10N2040/30; C10N2040/32; C10N2040/34; C10N2040/36; C10N2040/38; C10N2040/40; C10N2040/42; C10N2040/44; C10N2040/50; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
142 words
A continuous steel casting mold lubricant composition consisting essentially of a mixture of compounds having the formula: ##STR3## where n = 1; R = H--, CH 3 --, or R'; or where n = 2, R = H--, or CH 3 --; and R' = isolinoleoyloxy, isooleoyloxy, stearoyloxy, or palmitoyloxy radicals, said mixture of compounds containing from a trace to about 45 mole percent of isolinoleoyloxy radicals, from about 44 to about 76 mole percent of isooleoyloxy radicals, from about 3 to about 18 mole percent of stearoyloxy radicals, and from about 5 to about 13 mole percent of palmitoyloxy radicals, said mixture also containing from a trace to about 59 mole percent of isolated trans double bonds, from 0 to about 16 mole percent of conjugatable double bonds, and from a trace to about 40 mole percent of nonconjugatable double bonds.
Claim 2
Dependent Claim
142 words
A continuous steel casting mold lubricant composition consisting essentially of a mixture of compounds having the formula: ##STR3## where n = 1; R = H--, CH 3 --, or R'; or where n = 2, R = H--, or CH 3 --; and R' = isolinoleoyloxy, isooleoyloxy, stearoyloxy, or palmitoyloxy radicals, said mixture of compounds containing from a trace to about 45 mole percent of isolinoleoyloxy radicals, from about 44 to about 76 mole percent of isooleoyloxy radicals, from about 3 to about 18 mole percent of stearoyloxy radicals, and from about 5 to about 13 mole percent of palmitoyloxy radicals, said mixture also containing from a trace to about 59 mole percent of isolated trans double bonds, from 0 to about 16 mole percent of conjugatable double bonds, and from a trace to about 40 mole percent of nonconjugatable double bonds.
Claim 3
Dependent Claim
17 words
The composition as described in claim 1 wherein n = 2 and R = CH 3 --.
Claim 4
Dependent Claim
15 words
The composition as described in claim 1 wherein n = 2 and R = R'.
Claim 5
Dependent Claim
15 words
The composition as described in claim 1 wherein n = 1 and R = H--.
Claim 6
Dependent Claim
17 words
The composition as described in claim 1 wherein n = 1 and R = CH 3 --.
Claim 7
Dependent Claim
15 words
The composition as described in claim 1 wherein n = 1 and R = R'.
Claim 8
Dependent Claim
150 words
A continuous steel casting mold lubricant composition consisting essentially of a mixture of compounds having the formula: CH.sub.3 --(CH.sub.2).sub.n --CH.sub.2 --R' where n = 4, 6, 8, 10, 12, 14, 16, or 18 in relative proportion of 0.1, 0.1, 0.7, 39.9, 30.4, 17.9, 10.2, and 0.7 mole percent, respectively, and where R' = isolinoleoyloxy, isooleoyloxy, stearoyloxy, or palmitoyloxy radicals, said mixture of compounds containing from a trace to about 45 mole percent of isolinoleoyloxy radicals, from about 44 to about 76 mole percent of isooleoyloxy radicals, from about 3 to about 18 mole percent of stearoyloxy radicals, and from about 5 to about 13 mole percent of palmitoyloxy radicals, said mixture also containing from a trace to about 59 mole percent of isolated trans double bonds, from 0 to about 16 mole percent of conjugatable double bonds, and from a trace to about 40 mole percent of nonconjugatable double bonds.
Claim 9
Dependent Claim
150 words
A continuous steel casting mold lubricant composition consisting essentially of a mixture of compounds having the formula: CH.sub.3 --(CH.sub.2).sub.n --CH.sub.2 --R' where n = 4, 6, 8, 10, 12, 14, 16, or 18 in relative proportion of 0.1, 0.1, 0.7, 39.9, 30.4, 17.9, 10.2, and 0.7 mole percent, respectively, and where R' = isolinoleoyloxy, isooleoyloxy, stearoyloxy, or palmitoyloxy radicals, said mixture of compounds containing from a trace to about 45 mole percent of isolinoleoyloxy radicals, from about 44 to about 76 mole percent of isooleoyloxy radicals, from about 3 to about 18 mole percent of stearoyloxy radicals, and from about 5 to about 13 mole percent of palmitoyloxy radicals, said mixture also containing from a trace to about 59 mole percent of isolated trans double bonds, from 0 to about 16 mole percent of conjugatable double bonds, and from a trace to about 40 mole percent of nonconjugatable double bonds.
Claim 10
Dependent Claim
151 words
A continuous steel casting mold lubricant composition consisting essentially of a mixture of compounds having the formula: CH.sub.3 --(CH.sub.2).sub.n --CH.sub.2 --R' where n = 4, 6, 8, 10, 12, 14, 16, or 18 in relative proportions of a trace, a trace, 0.1, 0.3, 1.1, 59.9, 36.1, and 2.5 mole percent, respectively, and where R' = isolinoleoyloxy, isooleoyloxy, stearoyloxy, or palmitoyloxy radicals, said mixture of compounds containing from a trace to about 45 mole percent of isolinoleoyloxy radicals, from about 44 to about 76 mole percent isooleoyloxy radicals, from about 3 to about 18 mole percent of stearoyloxy radicals, and from about 5 to about 13 mole percent of palmitoyloxy radicals, said mixture also containing from a trace to about 59 mole percent of isolated trans double bonds, from 0 to about 16 mole percent of conjugatable double bonds, and from a trace to about 40 mole percent of nonconjugatable double bonds.
Claim 11
Dependent Claim
151 words
A continuous steel casting mold lubricant composition consisting essentially of a mixture of compounds having the formula: CH.sub.3 --(CH.sub.2).sub.n --CH.sub.2 --R' where n = 4, 6, 8, 10, 12, 14, 16, or 18 in relative proportions of a trace, a trace, 0.1, 0.3, 1.1, 59.9, 36.1, and 2.5 mole percent, respectively, and where R' = isolinoleoyloxy, isooleoyloxy, stearoyloxy, or palmitoyloxy radicals, said mixture of compounds containing from a trace to about 45 mole percent of isolinoleoyloxy radicals, from about 44 to about 76 mole percent isooleoyloxy radicals, from about 3 to about 18 mole percent of stearoyloxy radicals, and from about 5 to about 13 mole percent of palmitoyloxy radicals, said mixture also containing from a trace to about 59 mole percent of isolated trans double bonds, from 0 to about 16 mole percent of conjugatable double bonds, and from a trace to about 40 mole percent of nonconjugatable double bonds.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-06-20 | 1980-12-20 | 1981-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-06-20 | 1984-12-20 | 1985-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-06-20 | 1988-12-20 | 1989-06-21 | $7700.00 | Window Closed / Lapsed |