US3929656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drawing oil
Assignee: Wintershall Dea International AG
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Filing: 1974-07-26
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Granted: 1975-12-30
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Expires: 1994-07-26
Abstract
Abstract Lubricating oil composition comprising from about 60 to 90 percent of a mineral oil, from about 5 to 30 percent of a vegetable oil or a fatty acid and from about 3 to 15 percent of a chlorinated paraffin containing greater than 40 percent chlorine.
Inventors
- 👤 Klaus-Jurgen Flis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:53
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2203/00; C10M2203/10; C10M2203/108; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/40; C10M2207/404; C10M2211/00; C10M2211/08; C10N; C10N2040/00; C10N2040/20; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
68 words
A LUBRICATING OIL COMPOSITION COMPRISING FROM ABOUT 60 TO 90 WEIGHT PERCENT OF A MINERAL OIL HAVING A VISCOSITY OF 50*C. IN THE RANGE OF ABOUT 250 TO 600 CENTISTOKES, FROM ABOUT 5 TO 30 WEIGHT PERCENT OF AN ADDITIVE FROM THE CLASS CONSISTING OF VEGETABLE OILS AND FROM ABOUT 3 TO 15 WEIGHT PERCENT OF A CHLORINATED PARAFFIN CONTAINING GREATER THAN 40 UP TO 80 PERCENT CHLORINE.
Claim 2
Dependent Claim
68 words
A LUBRICATING OIL COMPOSITION COMPRISING FROM ABOUT 60 TO 90 WEIGHT PERCENT OF A MINERAL OIL HAVING A VISCOSITY OF 50*C. IN THE RANGE OF ABOUT 250 TO 600 CENTISTOKES, FROM ABOUT 5 TO 30 WEIGHT PERCENT OF AN ADDITIVE FROM THE CLASS CONSISTING OF VEGETABLE OILS AND FROM ABOUT 3 TO 15 WEIGHT PERCENT OF A CHLORINATED PARAFFIN CONTAINING GREATER THAN 40 UP TO 80 PERCENT CHLORINE.
Claim 3
Dependent Claim
35 words
A lubricating oil composition according to claim 1 in which said vegetable oil is selected from the group consisting of rapeseed oil, palm nut oil, linseed oil, coconut oil, hempseed oil and sunflower seed oil.
Claim 4
Dependent Claim
29 words
A lubricating oil composition according to claim 1 in which the paraffin portion of said chlorinated paraffin is derived from a paraffin having from 6 to 12 carbon atoms.
Claim 5
Dependent Claim
19 words
A lubricating oil composition according to claim 1 in which said chlorinated paraffin contains about 54 weight percent chlorine.
Claim 6
Dependent Claim
44 words
A lubricating oil composition according to claim 1 in which said vegetable oil is rapeseed oil in a concentration of about 20 weight percent and said chlorinated paraffin contains about 54 percent chlorine and is employed at a concentration of about 10 weight percent.
Claim 7
Dependent Claim
37 words
A lubricating oil composition according to claim 1 in which said mineral oil base has the density from about 0.90 to 0.96 grams per ml. at 15*C. and an open cup flash point of at least 330*C.
Claim 8
Dependent Claim
15 words
A lubricating oil composition according to claim 1 in which said vegetable oil is olein.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-12-29 | 1979-06-30 | 1979-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-29 | 1983-06-30 | 1983-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-29 | 1987-06-30 | 1987-12-30 | $7700.00 | Window Closed / Lapsed |