Patent US3083187A successfully refreshed from Google Patents.
US3083187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent polyesters
Assignee: California Research LLC
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Filing: 1959-06-22
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Granted: 1963-03-26
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Expires: 1979-06-22
Abstract
No abstract record available.
Inventors
- 👤 Frank A Stuart
- 👤 William T Stewart
- 👤 Frank W Kavanagh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:31
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/66; C08G63/668; C08G63/672; C11; C11D; C11D1/00; C11D1/008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
193 words
A POLYETHYLENE GYLCOL SUBSTITUTED LINEAR POLESTER OF REACTANTS CONSISTING OF (A) A DIBASIC ACID SELECTED FROM THE GROUP CONSISTING OF OXALIC ACID, MALONIC ACID, GLUTARIC ACID, ADIPIC ACID, SEBACIC ACID, AZELAIC ACID, PHTHALIC ACID, ISOPHTHALIC ACID, TEREPHTHALIC ACID, SUCCINIC ACID, DILINOLEIC ACID, DIOLEIC ACID AND FULLY SATURATED HYDROGENATED DILIO.NOLEIC ACID, (B) A DIOL SELECTED FROM THE GROUP CONSISTING OF ETHYLENE GYLCOL, 1,3-PROPYLENE DIOL, OCTYLENE GLYCOL AND CYCLOHEXANE DIOL, AND (C) A POLYETHYLENE GLYCOL MONETHER SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE GLYCOL ETHERS OF TARTRONIC ACID, MALIC ACID, TARTARIC ACID, A,B,R,-TRIHYDROXY GLUTARIC ACID, MUCIC ACID, MESOXALIC ACID AND CITRAMALIC ACID, SAID POLYETHYLENE GLYCOL ETHER GROUPS HAVING AT LEAST 5 ETHYLENE OXIDE UNITS EACH AND A MOLECULAR WEIGHT BETWEEN ABOUT 220 AND 30,000 THE PROPORTIONS OF SAID REACTANTS PROVIDING FROM ABOUT 40 TO ABOUT 96% BY WEIGHT OF THE LINEAR POLYESTER AS OIL SOLUBILIZING ALIPHATIC HYDROCARBON GROUPS AND FROM ABOUT 4 TO 60% BY WEIGHT OF LINEAR POLYESTER AS POLYETHYLENE GLYCOL ETHER GROUPS, SAID POLYESTER HAVING A TOTAL MOLECULAR WEIGHT OF AT LEAST 5,000 BY MESURED BY THE LIGHT SCATTERING METHOD AND A SOLUBILITY IN PETROLEUM LUBRICATING OIL OF AT LEAST 0.5% BY WEIGHT.
Claim 2
Dependent Claim
193 words
A POLYETHYLENE GYLCOL SUBSTITUTED LINEAR POLESTER OF REACTANTS CONSISTING OF (A) A DIBASIC ACID SELECTED FROM THE GROUP CONSISTING OF OXALIC ACID, MALONIC ACID, GLUTARIC ACID, ADIPIC ACID, SEBACIC ACID, AZELAIC ACID, PHTHALIC ACID, ISOPHTHALIC ACID, TEREPHTHALIC ACID, SUCCINIC ACID, DILINOLEIC ACID, DIOLEIC ACID AND FULLY SATURATED HYDROGENATED DILIO.NOLEIC ACID, (B) A DIOL SELECTED FROM THE GROUP CONSISTING OF ETHYLENE GYLCOL, 1,3-PROPYLENE DIOL, OCTYLENE GLYCOL AND CYCLOHEXANE DIOL, AND (C) A POLYETHYLENE GLYCOL MONETHER SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE GLYCOL ETHERS OF TARTRONIC ACID, MALIC ACID, TARTARIC ACID, A,B,R,-TRIHYDROXY GLUTARIC ACID, MUCIC ACID, MESOXALIC ACID AND CITRAMALIC ACID, SAID POLYETHYLENE GLYCOL ETHER GROUPS HAVING AT LEAST 5 ETHYLENE OXIDE UNITS EACH AND A MOLECULAR WEIGHT BETWEEN ABOUT 220 AND 30,000 THE PROPORTIONS OF SAID REACTANTS PROVIDING FROM ABOUT 40 TO ABOUT 96% BY WEIGHT OF THE LINEAR POLYESTER AS OIL SOLUBILIZING ALIPHATIC HYDROCARBON GROUPS AND FROM ABOUT 4 TO 60% BY WEIGHT OF LINEAR POLYESTER AS POLYETHYLENE GLYCOL ETHER GROUPS, SAID POLYESTER HAVING A TOTAL MOLECULAR WEIGHT OF AT LEAST 5,000 BY MESURED BY THE LIGHT SCATTERING METHOD AND A SOLUBILITY IN PETROLEUM LUBRICATING OIL OF AT LEAST 0.5% BY WEIGHT.
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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |