US3232876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boron-containing copolymers and lubricating oils containing them
Assignee: Gulf Research and Development Co
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Filing: 1961-07-21
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Granted: 1966-02-01
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Expires: 1981-07-21
Abstract
No abstract record available.
Inventors
- 👤 Phillip G Abend
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:59
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C08; C08F; C08F30/00; C08F30/04; C08F30/06; C08L; C08L43/00; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2227/00; C10M2227/06; C10M2227/061; C10N; C10N2010/00; C10N2010/04; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
132 words
A LUBRICANT COMPOSITION COMPRISING A MAJOY AMOUNT OF A HYDEOCARBON LUBRICATING OIL AND A SMALL AMOUNT, SUFFICIENT TO IMPROVE THE DETERGENT CHARACTERISTICS OF SAID OIL, OF AN OIL-SOLUBLE BORON-CONTAINING COPOLYMER HAVING AN AVERAGE MOLECLAR WEIGHT GREATER THAN ABOUT 2,000 CONSISTING OF MONOMERIC COMPONENTS EACH CONTAINING A COPOLYMERIZABLE ETHYLENIC LINKAGE AND AT LEAST ONE OF WHICH MONOMERIC COMPONENTS IS A BORONFREE MONOMER HAVING THE FORMULA R3COOR4 WHEREIN R3 IS AN ALIPHATIC HYDROCARBON RADICAL CONTAINING 2 TO 17 CARBON ATOMS AND R4 IS AN ALIPHATIC HYDROCARBON RADICAL CONTAINING 2 TO 18 CARBON ATOMS, AT LEAST ONE OF SAID ALIPHATIC HYDROCARBON RADICALS IDENTIFIED AS R3 AND R4 CONTAINING AN ETHYLENIC LINKAGE THAT IS COPOLYMERIZABLE WITH THE CORRESPONDING LINKAGE OF THE BORON-CONTAINING MONOMER; WHERE ANOTHER OF SAID MONOMERIC COMPONENTS IS A BORON-CONTAINING MONOMER HAVING THE FORMULA
Claim 2
Dependent Claim
132 words
A LUBRICANT COMPOSITION COMPRISING A MAJOY AMOUNT OF A HYDEOCARBON LUBRICATING OIL AND A SMALL AMOUNT, SUFFICIENT TO IMPROVE THE DETERGENT CHARACTERISTICS OF SAID OIL, OF AN OIL-SOLUBLE BORON-CONTAINING COPOLYMER HAVING AN AVERAGE MOLECLAR WEIGHT GREATER THAN ABOUT 2,000 CONSISTING OF MONOMERIC COMPONENTS EACH CONTAINING A COPOLYMERIZABLE ETHYLENIC LINKAGE AND AT LEAST ONE OF WHICH MONOMERIC COMPONENTS IS A BORONFREE MONOMER HAVING THE FORMULA R3COOR4 WHEREIN R3 IS AN ALIPHATIC HYDROCARBON RADICAL CONTAINING 2 TO 17 CARBON ATOMS AND R4 IS AN ALIPHATIC HYDROCARBON RADICAL CONTAINING 2 TO 18 CARBON ATOMS, AT LEAST ONE OF SAID ALIPHATIC HYDROCARBON RADICALS IDENTIFIED AS R3 AND R4 CONTAINING AN ETHYLENIC LINKAGE THAT IS COPOLYMERIZABLE WITH THE CORRESPONDING LINKAGE OF THE BORON-CONTAINING MONOMER; WHERE ANOTHER OF SAID MONOMERIC COMPONENTS IS A BORON-CONTAINING MONOMER HAVING THE FORMULA
Claim 3
Dependent Claim
132 words
A LUBRICANT COMPOSITION COMPRISING A MAJOR AMOUNT OF A HYDROCARBON LUBRICATING OIL AND A SMALL AMOUNT, SUFFICIENT TO IMPROVE THE DETERGENT CHARACTERISTICS OF SAID OIL, OF AN OIL-SOLUBLE BORON-CONTAINING COPOLYMER HAVING AN AVERAGE MOLECULAR WEIGHT GREATER THAN ABOUT 2,000 CONSISTING OF MONOMERIC COMPONENTS EACH CONTAINING A COPOLYMERIZABLE ETHYLENIC LINKAGE AND AT LEAST ONE OF WHICH MONOMERIC COMPONENTS A BORON-FREE MONOMER HAVING THE FORMULA R3COOR4 WHEREIN R3 IS AN ALIPHATIC HYDROCARBON RADICAL CONTAINING 2 TO 17 CARBON ATOMS AND R4 IS AN ALIPHATIC HYDROCARBON RADICAL CONTAINING 2 TO 18 CARBON ATOMS, AT LEAST ONE OF SAID ALIPHATIC HYDROCARBON RADICALS IDENTIFIED AS R3 AND R4 CONTAINING AN ETHYLENIC LINKAGE THAT IS COPOLYMERIZABLE WITH THE CORRESPONDING LINKAGE OF THE BORON-CONTAING MONOMER; AND WHERE ANOTHER OF SAID MONOMERIC COMPONENTS IS A BORON-CONTAINING MONOMER HAVING THE FORMULA
Claim 4
Dependent Claim
132 words
A LUBRICANT COMPOSITION COMPRISING A MAJOR AMOUNT OF A HYDROCARBON LUBRICATING OIL AND A SMALL AMOUNT, SUFFICIENT TO IMPROVE THE DETERGENT CHARACTERISTICS OF SAID OIL, OF AN OIL-SOLUBLE BORON-CONTAINING COPOLYMER HAVING AN AVERAGE MOLECULAR WEIGHT GREATER THAN ABOUT 2,000 CONSISTING OF MONOMERIC COMPONENTS EACH CONTAINING A COPOLYMERIZABLE ETHYLENIC LINKAGE AND AT LEAST ONE OF WHICH MONOMERIC COMPONENTS A BORON-FREE MONOMER HAVING THE FORMULA R3COOR4 WHEREIN R3 IS AN ALIPHATIC HYDROCARBON RADICAL CONTAINING 2 TO 17 CARBON ATOMS AND R4 IS AN ALIPHATIC HYDROCARBON RADICAL CONTAINING 2 TO 18 CARBON ATOMS, AT LEAST ONE OF SAID ALIPHATIC HYDROCARBON RADICALS IDENTIFIED AS R3 AND R4 CONTAINING AN ETHYLENIC LINKAGE THAT IS COPOLYMERIZABLE WITH THE CORRESPONDING LINKAGE OF THE BORON-CONTAING MONOMER; AND WHERE ANOTHER OF SAID MONOMERIC COMPONENTS IS A BORON-CONTAINING MONOMER HAVING THE FORMULA
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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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |