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US4374742A
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Novel lubricant additives
Assignee: Novartis Corp
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Filing: 1981-05-29
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Granted: 1983-02-22
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Expires: 2001-05-29
Abstract
Abstract Novel organic phenol-containing silicon compounds of the formula <IMAGE> are disclosed. These compounds are suitable for use as lubricant additives.
Inventors
- 👤 Samuel Evans
- 👤 Michael Rasberger
- 👤 Eberhard Gegner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:04
CPC Classifications
C; C10; C10M; C10M139/00; C10M139/04; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804; C10M2203/00; C10M2203/10; C10M2205/00; C10M2205/02; C10M2205/026; C10M2205/22; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10M2207/025; C10M2207/026; C10M2207/028; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/129; C10M2207/16; C10M2207/22; C10M2207/28; C10M2207/287; C10M2207/289; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2211/00; C10M2211/08; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/06; C10M2215/062; C10M2215/064; C10M2215/065; C10M2215/066; C10M2215/08; C10M2215/082; C10M2215/086; C10M2215/14; C10M2215/20; C10M2215/202; C10M2215/22; C10M2215/221; C10M2215/223; C10M2215/224; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/28; C10M2215/30; C10M2217/00; C10M2217/02; C10M2217/028; C10M2217/06; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/046; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10M2219/08; C10M2219/082; C10M2219/085; C10M2219/086; C10M2219/09; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2219/108; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/043; C10M2223/045; C10M2223/06; C10M2223/065; C10M2227/00; C10M2227/04; C10N; C10N2010/00; C10N2010/04; C10N2010/10; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
307 words
A compound of the formula I ##STR30## wherein one of R 1 and R 3 is hydrogen and the other is OH, each of R 2 , R 4 and R 5 independently is C 1 -C 12 alkyl, C 5 -C 7 cycloalkyl, C 6 -C 10 aryl or C 7 -C 9 aralkyl, and R 4 and R 5 are also hydrogen, R 6 is C 1 -C 18 alkyl, each of m and n independently is an integer from 0 to 6, X is the direct bond, --O--, --S--, --N(R 7 )--, --Q--R 8 -- or ##STR31## wherein R 7 represents hydrogen, C 1 -C 12 alkyl, phenyl or a group of the formula II ##STR32## wherein R 1 , R 2 , R 3 , R 4 , R 5 and m are as defined above, Q is --O-- or --NH--, R 8 represents a group of the formula III --CH.sub.2 --CH(OR.sub.10)--CH.sub.2 --O-- (III) wherein R 10 is hydrogen, C 1 -C 12 alkyl or a group of the formula IV ##STR33## wherein r is an integer from 0 to 6, R 11 is hydrogen, C 1 -C 12 alkyl, C 5 -C 7 cycloalkyl, C 6 -C 10 aryl or C 7 -C 9 aralkyl, and R 9 is --O--, --NH--, --CH.H 2 N--, --O--CH 2 CH 2 --S--, ##STR34## --O--R 8 --, or a group of the formula V ##STR35## wherein R 8 , R 11 and r are as defined above, and R 12 is C 1 -C 18 alkyl, C 5 -C 7 cycloalkyl, C 6 -C 10 aryl, C 7 -C 9 aralkyl or a group of the formulae VI or VII --(C.sub.u H.sub.2u)--COOR.sub.10 (VI) or ##STR36## wherein u is an integer from 1 to 6 and R 10 , R 11 and r are as defined above.
Claim 2
Dependent Claim
307 words
A compound of the formula I ##STR30## wherein one of R 1 and R 3 is hydrogen and the other is OH, each of R 2 , R 4 and R 5 independently is C 1 -C 12 alkyl, C 5 -C 7 cycloalkyl, C 6 -C 10 aryl or C 7 -C 9 aralkyl, and R 4 and R 5 are also hydrogen, R 6 is C 1 -C 18 alkyl, each of m and n independently is an integer from 0 to 6, X is the direct bond, --O--, --S--, --N(R 7 )--, --Q--R 8 -- or ##STR31## wherein R 7 represents hydrogen, C 1 -C 12 alkyl, phenyl or a group of the formula II ##STR32## wherein R 1 , R 2 , R 3 , R 4 , R 5 and m are as defined above, Q is --O-- or --NH--, R 8 represents a group of the formula III --CH.sub.2 --CH(OR.sub.10)--CH.sub.2 --O-- (III) wherein R 10 is hydrogen, C 1 -C 12 alkyl or a group of the formula IV ##STR33## wherein r is an integer from 0 to 6, R 11 is hydrogen, C 1 -C 12 alkyl, C 5 -C 7 cycloalkyl, C 6 -C 10 aryl or C 7 -C 9 aralkyl, and R 9 is --O--, --NH--, --CH.H 2 N--, --O--CH 2 CH 2 --S--, ##STR34## --O--R 8 --, or a group of the formula V ##STR35## wherein R 8 , R 11 and r are as defined above, and R 12 is C 1 -C 18 alkyl, C 5 -C 7 cycloalkyl, C 6 -C 10 aryl, C 7 -C 9 aralkyl or a group of the formulae VI or VII --(C.sub.u H.sub.2u)--COOR.sub.10 (VI) or ##STR36## wherein u is an integer from 1 to 6 and R 10 , R 11 and r are as defined above.
Claim 3
Dependent Claim
22 words
A compound according to claim 1 of formula I, wherein R 1 and R 5 are hydrogen and R 3 is OH.
Claim 4
Dependent Claim
15 words
A compound according to claim 1 of formula I, wherein X is --N(R 7 )--.
Claim 5
Dependent Claim
19 words
A compound according to claim 1 of formula I, wherein m is 0 to 4 and n is 3.
Claim 6
Dependent Claim
198 words
A compound according to claim 1 of formula I, wherein R 1 is hydrogen, R 3 is OH and each of R 2 , R 4 and R 6 independently is C 1 -C 12 alkyl and R 4 is also hydrogen, R 5 is hydrogen or C 1 -C 6 alkyl, m is an integer from 0 to 4 and n is 3, X is the direct bond, --O--, --S--, --N(R 7 )--, --O--R 8 -- or ##STR37## wherein R 7 is hydrogen or a group group of the formula II, in which R 1 , R 2 , R 3 , R 4 , R 5 and m are as defined above, Q is --O-- or --NH--, R 8 is a group of the formula III, wherein R 10 is hydrogen, C 1 -C 12 alkyl or a group of the formula VI, wherein r is an integer from 0 to 4, R 11 is C 1 -C 12 alkyl, and R 9 is --O--, --NH--, --OH.H 2 N--, --O--CH 2 --CH 2 --S--, --OR 8 -- or a group of the formula V, wherein R 8 , r and R 11 have the above meanings.
Claim 7
Dependent Claim
148 words
A compound according to claim 1 of formula I, wherein R 1 and R 5 are hydrogen, R 3 is OH, R 2 is C 1 -C 8 alkyl, R 4 is C 1 -C 4 alkyl, R 6 is methyl or ethyl, m is an integer from 0 to 4 and n is 3, X is the direct bond, --O--, --S--, --N(R 7 )-- or ##STR38## wherein R 7 is a group of the formula II, in which R 1 , R 2 , R 3 , R 4 , R 5 and m are as defined above, R 9 is --NH--, --O--CH 2 --CH 2 --S-- or --OR 8 --, wherein R 8 is a group of the formula III, in which R 10 is hydrogen or a group of the formula IV, wherein R is 2 and R 11 is C 1 -C 4 alkyl.
Claim 8
Dependent Claim
117 words
A compound according to claim 1 of formula I, wherein R 1 and R 5 are hydrogen, R 3 is OH, R 2 is methyl or tert-butyl, R 4 is tert-butyl, R 6 is methyl or ethyl, m is an integer from 1 to 3 and n is 3, X is the direct bond, --O--, --S--, --N(R 7 )-- or ##STR39## wherein R 7 is a group of the formula II, in which R 1 , R 2 , R 3 , R 4 , R 5 and m have the above meanings, R 9 is --NH-- or --OR 8 , wherein R 8 is a group of the formula III, in which R 10 is hydrogen.
Claim 9
Dependent Claim
34 words
A compound according to claim 1 of formula I, wherein X is --NH--R 8 -- or ##STR40## in which R 8 is as defined in claim 8 and R 9 is --OH.H 2 N--.
Claim 10
Dependent Claim
10 words
A compound according to claim 1 of the formula ##STR41##
Claim 11
Dependent Claim
14 words
A lubricant additive containing a compound of the formula I according to claim 1.
Claim 12
Dependent Claim
17 words
The use of a compound of the formula I according to claim 1 as a lubricant additive.
References Cited (Backward Citations)
GB2030581A
Cited
US4282366A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-02-21 | 1986-08-23 | 1987-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-02-21 | 1990-08-23 | 1991-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-02-21 | 1994-08-23 | 1995-02-22 | $7700.00 | Window Closed / Lapsed |