US3928381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfurized and chlorinated alkylene polyamine reaction product lubricant additive and lubricating composition containing same
Assignee: Texaco Inc
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Filing: 1974-04-22
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Granted: 1975-12-23
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Expires: 1994-04-22
Abstract
Abstract Sulfurized and chlorinated alkylene-polyamine reaction product effective as an ashless lubricant additive and a mineral lubricating oil composition containing same.
Inventors
- 👤 William P Cullen
- 👤 Harry Chafetz
- 👤 Walter W Hellmuth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:04
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C08; C08F; C08F8/00; C08F8/18; C08F8/20; C08F8/22; C08F8/30; C08F8/32; C08F8/48; C10M2219/00; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2221/00; C10M2221/04
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
57 words
AN OIL-SOLUBLE ASHLESS SULFURIZED AND CHLORINATED ALKYLENE POLYAMINE REACTION PRODUCT PREPARED BY CHLORINATING A REACTION PRODUCT OF SULFUR AND A POLYOLEFIN CONTAINING A TRITHIONE USING AT LEAST A MOLE OF CHLORINE PER MOLE OF TRITHIONE AT A TEMPERATURE RANGING FROM ABOUT 20* TO 95*C. TO FORM A CHLORINATED INTERMEDIATE PRODUCT, SAID TRITHIONE BEING REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim
57 words
AN OIL-SOLUBLE ASHLESS SULFURIZED AND CHLORINATED ALKYLENE POLYAMINE REACTION PRODUCT PREPARED BY CHLORINATING A REACTION PRODUCT OF SULFUR AND A POLYOLEFIN CONTAINING A TRITHIONE USING AT LEAST A MOLE OF CHLORINE PER MOLE OF TRITHIONE AT A TEMPERATURE RANGING FROM ABOUT 20* TO 95*C. TO FORM A CHLORINATED INTERMEDIATE PRODUCT, SAID TRITHIONE BEING REPRESENTED BY THE FORMULA:
Claim 3
Dependent Claim
20 words
A reaction product according to claim 1 in which R is a radical derived from polyisobutylene and R'' is hydrogen.
Claim 4
Dependent Claim
20 words
A reaction product according to claim 1 in which R is a radical derived from polypropylene and R'' is hydrogen.
Claim 5
Dependent Claim
13 words
A reaction product according to claim 1 in which said polyamine is pentaethylenehexamine.
Claim 6
Dependent Claim
13 words
A reaction product according to claim 1 in which said polyamine is tetraethylenepentamine.
Claim 7
Dependent Claim
13 words
A reaction product according to claim 1 in which said polyamine is triethylenetetramine.
Claim 8
Dependent Claim
37 words
A reaction product according to claim 1 in which said chlorination is conducted at a temperature ranging from about 50* to 70*C and said reaction with said polyamine is conducted at a temperature from 150* to 225*C.
Claim 9
Dependent Claim
48 words
An oil-soluble ashless sulfurized and chlorinated alkylene polyamine reaction product prepared by chlorinating a trithione using at least a mole of chlorine per mole of trithione at a temperature ranging from about 20* to 95*C to form a chlorinated intermediate product, said trithione being represented by the formula:
Claim 10
Dependent Claim
48 words
An oil-soluble ashless sulfurized and chlorinated alkylene polyamine reaction product prepared by chlorinating a trithione using at least a mole of chlorine per mole of trithione at a temperature ranging from about 20* to 95*C to form a chlorinated intermediate product, said trithione being represented by the formula:
References Cited (Backward Citations)
US3459664A
Cited
US3843533A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-12-22 | 1979-06-23 | 1979-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-22 | 1983-06-23 | 1983-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-22 | 1987-06-23 | 1987-12-23 | $7700.00 | Window Closed / Lapsed |