US2499983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyester lubricants
Assignee: Rohm and Haas Co
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Filing: 1948-12-16
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Granted: 1950-03-07
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Expires: 1968-12-16
Abstract
No abstract record available.
Inventors
- 👤 Ellington M Beavers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:10
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/16; C08G63/20; C10; C10M; C10M1/00; C10M1/08; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/282; C10M2207/30; C10M2207/302; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/102; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A BLAND, OILY PRODUCT WHICH IS A CONDENSATE OF (1) A SATURATED, ALIPHATIC, MONOCARBOXYLIC ACID OF SIX TO NINE CARBON ATOMS IN BRANCHEDCHAIN ARRANGEMENT, R''COOH, (2) AN ACYCLIC, SATURATED, NON-TERTIARY GLYCOL OF SEVEN TO TEN CARBON ATOMS IN BRANCHED-CHAIN ARRANGEMENT, HOR"OH, AND (3) AN ACYCLIC, SATURATED, ALIPHATIC, DICARBOXYLIC ACID OF SIX TO TEN CARBON ATOMS, HOOCRCOOH, THE MOLAR RATIO OF THE RESIDUE OF SAID DICARBOXYLIC ACID TO SAID MONOCARBOXYLIC ACID IN SAID CONDENSATE BEING FROM 0.25 TO 3.8:1 AND THE PROPORTION OF RESIDUE OF SAID GLYCOL BEING DEFINED BY THE RELATIONSHIP
Claim 2
Dependent Claim
91 words
A BLAND, OILY PRODUCT WHICH IS A CONDENSATE OF (1) A SATURATED, ALIPHATIC, MONOCARBOXYLIC ACID OF SIX TO NINE CARBON ATOMS IN BRANCHEDCHAIN ARRANGEMENT, R''COOH, (2) AN ACYCLIC, SATURATED, NON-TERTIARY GLYCOL OF SEVEN TO TEN CARBON ATOMS IN BRANCHED-CHAIN ARRANGEMENT, HOR"OH, AND (3) AN ACYCLIC, SATURATED, ALIPHATIC, DICARBOXYLIC ACID OF SIX TO TEN CARBON ATOMS, HOOCRCOOH, THE MOLAR RATIO OF THE RESIDUE OF SAID DICARBOXYLIC ACID TO SAID MONOCARBOXYLIC ACID IN SAID CONDENSATE BEING FROM 0.25 TO 3.8:1 AND THE PROPORTION OF RESIDUE OF SAID GLYCOL BEING DEFINED BY THE RELATIONSHIP
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-06 | 1953-09-05 | 1954-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-06 | 1957-09-05 | 1958-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-06 | 1961-09-05 | 1962-03-07 | $7700.00 | Window Closed / Lapsed |