Patent US4608185A successfully refreshed from Google Patents.
US4608185A
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Modified succinimides (VI)
Assignee: Chevron USA Inc
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Filing: 1985-12-31
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Granted: 1986-08-26
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Expires: 2005-12-31
Abstract
Abstract Disclosed herein are additives which are useful as dispersants and detergents in lubricating oils and fuels. In particular, this invention is directed toward polyamino alkenyl or alkyl succinimides wherein one or more of the amino nitrogens of the succinimide is converted to ##STR1##
Inventors
- 👤 Thomas F. Buckley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:38
CPC Classifications
C; C10; C10M; C10M133/00; C10M133/52; C10M133/56; C08; C08F; C08F8/00; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/234; C10L1/238; C10L1/2383; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
159 words
A polyamino alkenyl or alkyl succinimide wherein one or more of the nitrogens of the polyamino moiety is substituted with ##STR30## wherein R 4 is selected from the group consisting of hydrocarbyl of from 1 to 30 carbon atoms, --R 5 (OH) t wherein R 5 is hydrocarbyl of from 2 to 20 carbon atoms and t is an integer from 1 to 6 with the proviso that there is no hydroxy substitution on the hydrocarbyl carbon atom attaching the --R 5 (OH) t group to the oxy atom of the ##STR31## moiety and with the further proviso than when t is greater than one, the hydroxy groups are not attached to the same carbon atom and the number of carbon atoms in the R 5 group is minimally equal to t+1, and --(R 7 O) s H wherein R 7 is alkylene of from 2 to 5 carbon atoms and s is an integer from 2 to 100.
Claim 2
Dependent Claim
159 words
A polyamino alkenyl or alkyl succinimide wherein one or more of the nitrogens of the polyamino moiety is substituted with ##STR30## wherein R 4 is selected from the group consisting of hydrocarbyl of from 1 to 30 carbon atoms, --R 5 (OH) t wherein R 5 is hydrocarbyl of from 2 to 20 carbon atoms and t is an integer from 1 to 6 with the proviso that there is no hydroxy substitution on the hydrocarbyl carbon atom attaching the --R 5 (OH) t group to the oxy atom of the ##STR31## moiety and with the further proviso than when t is greater than one, the hydroxy groups are not attached to the same carbon atom and the number of carbon atoms in the R 5 group is minimally equal to t+1, and --(R 7 O) s H wherein R 7 is alkylene of from 2 to 5 carbon atoms and s is an integer from 2 to 100.
Claim 3
Dependent Claim
21 words
A polyamino alkenyl or alkyl succinimide of claim 1 wherein R 4 is hydrocarbyl of from 1 to 30 carbon atoms.
Claim 4
Dependent Claim
21 words
A polyamino alkenyl or alkyl succinimide of claim 2 wherein R 4 is hydrocarbyl of from 2 to 10 carbon atoms.
Claim 5
Dependent Claim
21 words
A polyamino alkenyl or alkyl succinimide of claim 3 wherein R 4 is hydrocarbyl of from 2 to 7 carbon atoms.
Claim 6
Dependent Claim
106 words
A polyamino alkenyl or alkyl succinimide of claim 1 wherein R 4 is --R 5 (OH) t wherein R 5 is hydrocarbyl of from 2 to 20 carbon atoms and t is an integer from 1 to 6 with the proviso that there is no hydroxy substitution on the hydrocarbyl carbon atoms attaching the --R 5 (OH) t group to the oxy atom of the ##STR32## moiety and with the further proviso that when t is greater than one, the hydroxy groups are not attached to the same carbon atom and the number of carbon atoms in the R 5 group is minimally equal to t+1.
Claim 7
Dependent Claim
21 words
A polyamino alkenyl or alkyl succinimide of claim 5 wherein R 5 is hydrocarbyl of from 2 to 10 carbon atoms.
Claim 8
Dependent Claim
13 words
A polyamino alkenyl or alkyl succinimide of claim 6 wherein t is 1.
Claim 9
Dependent Claim
21 words
A polyamino alkenyl or alkyl succinimide of claim 5 where --R 5 (OH) t is hydroxyethylene (--CH 2 CH 2 OH).
Claim 10
Dependent Claim
40 words
A polyamino alkenyl or alkyl succinimide of claim 1 wherein R 4 is --(R 7 O) s H wherein R 7 is alkylene of from 2 to 5 carbon atoms and s is an integer of from 2 to 100.
Claim 11
Dependent Claim
18 words
A polyamino alkenyl or alkyl succinimide of claim 9 wherein s is an integer from 2 to 30.
Claim 12
Dependent Claim
18 words
A polyamino alkenyl or alkyl succinimide of claim 10 wherein s is an integer from 2 to 20.
Claim 13
Dependent Claim
226 words
A compound of the formula ##STR33## wherein R is alkenyl or alkyl of from 10 to 300 carbon atoms; R 2 is alkylene of from 2 to 10 carbon atoms; a is an integer from 1 to 6; R 10 is hydrogen, lower alkyl of from 1 to 6 carbon atoms, lower hydroxy alkyl of 1 to 6 carbon atoms, and ##STR34## wherein R 4 is selected from the group consisting of hydrocarbyl of from 1 to 30 carbon atoms, --R 5 (OH) t wherein R 5 is hydrocarbyl of from 2 to 20 carbon atoms and t is an integer from 1 to 6 with the proviso that there is no hydroxy substitution on the hydrocarbyl carbon atom attaching the --R 5 (OH) t group to the oxy atom of the ##STR35## and with the further proviso that when t is greater than one, the hydroxy groups are not attached to the same carbon atom and the number of carbon atoms in the R 5 group is minimally equal to t+1, and --(R 7 O) s H wherein R 7 is alkylene of 2 to 5 carbon atoms and s is an integer from 2 to 100; and T is ##STR36## or --NHR 10 wherein R and R 10 are as defined above with the proviso that at least one of R 10 is ##STR37##
Claim 14
Dependent Claim
226 words
A compound of the formula ##STR33## wherein R is alkenyl or alkyl of from 10 to 300 carbon atoms; R 2 is alkylene of from 2 to 10 carbon atoms; a is an integer from 1 to 6; R 10 is hydrogen, lower alkyl of from 1 to 6 carbon atoms, lower hydroxy alkyl of 1 to 6 carbon atoms, and ##STR34## wherein R 4 is selected from the group consisting of hydrocarbyl of from 1 to 30 carbon atoms, --R 5 (OH) t wherein R 5 is hydrocarbyl of from 2 to 20 carbon atoms and t is an integer from 1 to 6 with the proviso that there is no hydroxy substitution on the hydrocarbyl carbon atom attaching the --R 5 (OH) t group to the oxy atom of the ##STR35## and with the further proviso that when t is greater than one, the hydroxy groups are not attached to the same carbon atom and the number of carbon atoms in the R 5 group is minimally equal to t+1, and --(R 7 O) s H wherein R 7 is alkylene of 2 to 5 carbon atoms and s is an integer from 2 to 100; and T is ##STR36## or --NHR 10 wherein R and R 10 are as defined above with the proviso that at least one of R 10 is ##STR37##
Claim 15
Dependent Claim
22 words
A compound of the formula defined in claim 5 wherein R is alkenyl or alkyl of from 20 to 300 carbon atoms.
Claim 16
Dependent Claim
22 words
A compound of the formula defined in claim 13 wherein R is alkenyl or alkyl of from 20 to 100 carbon atoms.
Claim 17
Dependent Claim
21 words
A compound of the formula defined in claim 14 wherein R 4 is hydrocarbyl of from 1 to 30 carbon atoms.
Claim 18
Dependent Claim
21 words
A compound of the formula defined in claim 15 wherein R 4 is hydrocarbyl of from 2 to 10 carbon atoms.
Claim 19
Dependent Claim
21 words
A compound of the formula defined in claim 16 wherein R 4 is hydrocarbyl of from 2 to 7 carbon atoms.
Claim 20
Dependent Claim
106 words
A compound of the formula defined in claim 14 wherein R 4 is --R 5 (OH) t wherein R 5 is hydrocarbyl of from 2 to 20 carbon atoms and t is an integer from 1 to 6 with the proviso that there is no hydroxy substitution on the hydrocarbyl carbon atom attaching the --R 5 (OH) t group to the oxy atom of the ##STR38## moiety and with the further proviso that when t is greater than one, the hydroxy groups are not attached to the same carbon atom and the number of carbon atoms in the R 5 group is minimally equal to t+1.
Claim 21
Dependent Claim
21 words
A compound of the formula defined in claim 18 wherein R 5 is hydrocarbyl of from 2 to 10 carbon atoms.
Claim 22
Dependent Claim
13 words
A compound of the formula defined in claim 19 wherein t is 1.
Claim 23
Dependent Claim
22 words
A compound of the formula defined in claim 18 wherein --R 5 (OH) t is hydroxyethylene (e.g., --CH 2 CH 2 OH).
Claim 24
Dependent Claim
40 words
A compound of the formula defined in claim 14 wherein R 4 is (R 7 O) s H wherein R 7 is alkylene of from 2 to 5 carbon atoms and s is an integer of from 2 to 100.
Claim 25
Dependent Claim
19 words
A compound of the formula defined in claim 22 wherein s is an integer of from 2 to 30.
Claim 26
Dependent Claim
19 words
A compound of the formula defined in claim 23 wherein s is an integer of from 2 to 20.
Claim 27
Dependent Claim
23 words
A lubricating oil composition comprising an oil of lubricating viscosity and a dispersant effective amount of a compound as defined in claim 1.
Claim 28
Dependent Claim
25 words
A lubricating oil composition comprising an oil of lubricating viscosity and a dispersant effective amount of a compound of the formula defined in claim 14.
Claim 29
Dependent Claim
30 words
A lubricating oil concentrate comprising 90 to 10 weight percent of an oil of lubricating viscosity and 10 to 90 weight percent of a compound as defined in claim 1.
Claim 30
Dependent Claim
32 words
A lubricating oil concentrate comprising 90 to 10 weight percent of an oil of lubricating viscosity and 10 to 90 weight percent of a compound of the formula defined in claim 14.
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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) | 1989-08-25 | 1990-02-24 | 1990-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-08-25 | 1994-02-24 | 1994-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-08-25 | 1998-02-24 | 1998-08-26 | $7700.00 | Window Closed / Lapsed |