Patent US4464276A successfully refreshed from Google Patents.
US4464276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyoxyalkylene polyamine triazole complexes
Assignee: Texaco Inc
•
Filing: 1983-05-06
•
Granted: 1984-08-07
•
Expires: 2003-05-06
Abstract
Abstract Novel polyoxyalkylene polyamine triazole or benzotriazole complexes for diesel oils used in medium speed diesel engines.
Inventors
- 👤 Rodney L. Sung
- 👤 Benjamin H. Zoleski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:33
CPC Classifications
C; C07; C07D; C07D249/00; C07D249/16; C07D249/18; C10; C10M; C10M133/00; C10M133/02; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/22; C10M2215/221; C10M2215/223; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; C10N; C10N2040/00; C10N2040/25; C10N2040/252; C10N2040/253; F; F02; F02B; F02B3/00; F02B3/06
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
76 words
Polyoxyalkylene polyamine complexes of the formula: ##STR8## wherein A is 5-aminotriazole or benzotriazole; Y is hydrogen, or a lower alkyl group having 1 to 5 carbon atoms; Z is a hydrocarbon radical having 2-10 carbon atoms forming from 1 to 4 external ether linkages; n is 1 to 15 and r is 1 to 4; B is NH 2 or ureido except that when Z is ureidoalkyl and B is ureido, r can only be 1.
Claim 2
Dependent Claim
76 words
Polyoxyalkylene polyamine complexes of the formula: ##STR8## wherein A is 5-aminotriazole or benzotriazole; Y is hydrogen, or a lower alkyl group having 1 to 5 carbon atoms; Z is a hydrocarbon radical having 2-10 carbon atoms forming from 1 to 4 external ether linkages; n is 1 to 15 and r is 1 to 4; B is NH 2 or ureido except that when Z is ureidoalkyl and B is ureido, r can only be 1.
Claim 3
Dependent Claim
15 words
The complexes of claim 1 having the formula: ##STR9## wherein n is 2 to 3.
Claim 4
Dependent Claim
15 words
The complexes of claim 1, having the formula: ##STR10## wherein n is 2 to 3.
Claim 5
Dependent Claim
15 words
The complexes of claim 1 having the formula: ##STR11## wherein x is 2 or 3.
Claim 6
Dependent Claim
9 words
The complexes of claim 1 having the formula: ##STR12##
Claim 7
Dependent Claim
50 words
A fully formulated medium speed diesel lubricant having a TBN of at least 5 and containing from 0.5 to 3 weight percent of a complex of claim 1 and 2% to 10% of a 1/1 calcium carbonate overbased sulfurized calcium alkylphenolate or 2/1 overbased sulfurized calcium alkylphenolate containing calcium sulfonate.
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) | 1987-08-07 | 1988-02-06 | 1988-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-08-07 | 1992-02-06 | 1992-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-08-07 | 1996-02-06 | 1996-08-07 | $7700.00 | Window Closed / Lapsed |