US4675459A
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Traction drive fluid
Assignee: Eneos Corp
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Filing: 1986-07-01
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Granted: 1987-06-23
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Expires: 2006-07-01
Abstract
Abstract A traction drive fluid comprising as a base stock at least one hydrocarbon selected from the group consisting of compounds of the following general formulae (I) to (V) ##STR1## wherein R 1 , R 2 and R 3 , independently from each other, represent a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, and R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and R 10 , independently from each other, represent a hydrogen atom or a methyl group.
Inventors
- 👤 Hitoshi Yuasa
- 👤 Mitsuo Matsuno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:21
CPC Classifications
C; C10; C10M; C10M105/00; C10M105/02; C10M2201/00; C10M2201/085; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/026; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10N; C10N2040/00; C10N2040/04; C10N2040/042; C10N2040/044; C10N2040/046; C10N2040/08
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
91 words
A traction drive fluid comprising as a base stock as least one hydrocarbon selected from the group consisting of compounds of the following general formulae (I) to (V) ##STR18## wherein R 1 , R 2 and R 3 , independently from each other, represent a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, and R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and R 10 , independently from each other, represent a hydrogen atom or a methyl group.
Claim 2
Dependent Claim
91 words
A traction drive fluid comprising as a base stock as least one hydrocarbon selected from the group consisting of compounds of the following general formulae (I) to (V) ##STR18## wherein R 1 , R 2 and R 3 , independently from each other, represent a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, and R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and R 10 , independently from each other, represent a hydrogen atom or a methyl group.
Claim 3
Dependent Claim
28 words
The fluid of claim 1 which contains at least one compound selected from the group consisting of tricresyl phosphate, 2,6-di-t-butyl-p-cresol, poly(alkyl methacrylates), thiophosphoric acid salts and phosphoric diesters.
Claim 4
Dependent Claim
91 words
The fluid of claim 1 wherein the compounds of general formulae (I) to (V) are obtained by hydrogenating compounds of the following formulae (VII), (VIII), (IX), (XI) and (XII), respectively, ##STR19## wherein R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 are as defined in claim 1, and R 11 , R 12 and R 13 , indedpendently from each other, represent a hydrogen atom, or an alkyl, alkenyl group, or an alkylidene group having 1 to 3 carbon atoms.
Claim 5
Dependent Claim
30 words
The fluid of claim 3 wherein the hydrogenation is carried out at 20° to 225° C. under a hydrogen pressure of 1 to 200 kg/cm 2 optionally in a solvent.
Claim 6
Dependent Claim
49 words
The fluid of claim 3 wherein the compound of formula (VII) is obtained by the Diels-Alder reaction of a norbornene compound of the following formula (VI) ##STR20## wherein R 4 , R 11 , R 12 and R 13 are as defined in claim 3, with cyclopentadiene and/or methylcyclopentadiene.
Claim 7
Dependent Claim
95 words
The fluid of claim 3 wherein the compound of formula (VIII) is obtained by performing the Diels-Alder reaction of a norbornene compound of the following formula ##STR21## wherein R 4 , R 11 , R 12 and R 13 are as defined in claim 3, with cyclopentadiene and/or methylcyclopentadiene to form a compound of the following formula (VII) ##STR22## wherein R 4 , R 5 , R 11 , R 12 and R 13 are as defined in claim 3, and subjecting the resulting compound of formula (VII) to Diels-Alder reaction with cyclopentadiene and/or methylcyclopentadiene.
Claim 8
Dependent Claim
33 words
The fluid of claim 3 wherein compound of formula (IX) is obtained by the Diels-Alder reaction of the compound of formula (VII) with at least one compound selected from butadiene, isoprene and piperylene.
Claim 9
Dependent Claim
121 words
The fluid of claim 3 wherein the compound of formula (XI) is obtained by performing the Diels-Alder reaction of the compound of a norbornene compound of the following formula (VI) ##STR23## wherein R 4 , R 11 , R 12 and R 13 are as defined in claim 3, with at least one compound selected from the group consisting of butadiene, isoprene and piperylene to form a compound of the following formula (X) ##STR24## wherein R 4 , R 8 , R 11 , R 12 and R 13 are as defined in claim 3, and subjecting the resulting compound of formula (X) to Diels-Alder reaction with at least one compound selected from the group consisting of butadiene, isoprene and piperylene.
Claim 10
Dependent Claim
26 words
The fluid of claim 3 wherein the compound of formula (XII) is obtained by Diels-Alder reaction of the compound of formula (X) with cyclopentadiene and/or methylcyclopentadiene.
Claim 11
Dependent Claim
44 words
The fluid of claim 5, wherein the compound of formula (VI) is obtained by the Diels-Alder reaction of cyclopentadiene and/or methylcyclopentadiene with an unsaturated hydrocarbon of the formula ##STR25## wherein R 11 , R 12 and R 13 are as defined in claim 5.
Claim 12
Dependent Claim
44 words
The fluid of claim 6 wherein the compound of formula (VI) is obtained by the Diels-Alder reaction of cyclopentadiene and/or methylcyclopentadiene with an unsaturated hydrocarbon of the formula ##STR26## wherein R 11 , R 12 and R 13 are as defined in claim 6.
Claim 13
Dependent Claim
44 words
The fluid of claim 8, wherein the compound of formula (VI) is obtained by the Diels-Alder reaction of cyclopentadiene and/or methylcyclopentadiene with an unsaturated hydrocarbon of the formula ##STR27## wherein R 11 , R 12 and R 13 are as defined in claim 8.
Claim 14
Dependent Claim
100 words
The fluid of claim 9 wherein the compound of formula (X) is obtained by performing the Diels-Alder reaction of an unsaturated hydrocarbon of the following formula ##STR28## wherein R 11 , R 12 and R 13 are as defined in claim 9, with cyclopentadiene and/or methylcyclopentadiene to form a compound of the following formula (VI) ##STR29## wherein R 4 , R 11 , R 12 and R 13 are as defined in claim 9, and subjecting the resulting compound of formula (VI) to Diels-Alder reaction with at least one compound selected from the group consisting of butadiene, isoprene and piperylene.
References Cited (Backward Citations)
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-06-22 | 1990-12-22 | 1991-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-06-22 | 1994-12-22 | 1995-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-06-22 | 1998-12-22 | 1999-06-23 | $7700.00 | Window Closed / Lapsed |