Patent US3484671A successfully refreshed from Google Patents.
Patent US3988249A successfully refreshed from Google Patents.
US3988249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extreme pressure additive for lubricants
Assignee: Uniroyal Chemical Co Inc
•
Filing: 1974-02-11
•
Granted: 1976-10-26
•
Expires: 1994-02-11
Abstract
Abstract Antimony N-(2-octyl)-N-ethyldithiocarbamate confers extreme pressure properties on lubricants.
Inventors
- 👤 Richard A. Gencarelli
- 👤 Keith A. Hughes
- 👤 John F. Sierakowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:10
CPC Classifications
C; C10; C10M; C10M3/00; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2219/00; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10N; C10N2010/00; C10N2010/10
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
3 words
Antimony tris [N-(2-octyl)-N-ethyldithiocarbamate].
Claim 2
Dependent Claim
3 words
Antimony tris [N-(2-octyl)-N-ethyldithiocarbamate].
Claim 3
Dependent Claim
22 words
A composition comprising a synthetic lubricant in admixture with antimony N-(2-octyl)-N-ethyldithiocarbamate in amount sufficient to confer extreme pressure properties on the lubricant.
Claim 4
Dependent Claim
22 words
A composition comprising a synthetic lubricant in admixture with antimony N-(2-octyl)-N-ethyldithiocarbamate in amount sufficient to confer extreme pressure properties on the lubricant.
Claim 5
Dependent Claim
35 words
A synthetic lubricant composition suitable for extreme pressure service comprising a dicarboxylic acid ester base lubricant in admixture with from 1 to 10% by weight of antimony N-(2-octyl-N-ethyldithiocarbamate as a stabilizer for the said lubricant.
Claim 6
Dependent Claim
35 words
A synthetic lubricant composition suitable for extreme pressure service comprising a dicarboxylic acid ester base lubricant in admixture with from 1 to 10% by weight of antimony N-(2-octyl-N-ethyldithiocarbamate as a stabilizer for the said lubricant.
Claim 7
Dependent Claim
15 words
A synthetic lubricant as in claim 3 in which the said ester is di-2-ethylhexyl sebacate.
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) | 1979-10-26 | 1980-04-26 | 1980-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-10-26 | 1984-04-26 | 1984-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-10-26 | 1988-04-26 | 1988-10-26 | $7700.00 | Window Closed / Lapsed |