US2610974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical manufacture
Assignee: Sinclair Refining Co
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Filing: 1950-04-20
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Granted: 1952-09-16
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Expires: 1970-04-20
Abstract
No abstract record available.
Inventors
- 👤 Nelson John Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:11
CPC Classifications
C; C07; C07C; C07C59/00; C07C59/40; C07C59/76; C08; C08L; C08L91/00; C08L91/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
AS A NEW COMPOSITION OF MATTER, A MIXTURE OF HIGH MOLECULAR WEIGHT WAX ACIDS PRODUCED BY SUBSTANTIALLY COMPLETE OXIDATION OF MICROCRYSTALLINE WAX CONTAINING 34 TO 55 CARBON ATOMS PER MOLECULE WHICH IS CHARACTERIZED BY EXTREME WATER INSOLUBILITY AND BY A SAPONIFICATION NUMBER LESS THAN ABOUT 200 AND WHICH PREDOMINATES IN MONOCARBOXYLIC ACIDS HAVING AN APPARENT CHAIN LENGTH EXCEEDING EIGHTEEN CARBON ATOMS PER MOLECULE.
Claim 2
Dependent Claim
63 words
AS A NEW COMPOSITION OF MATTER, A MIXTURE OF HIGH MOLECULAR WEIGHT WAX ACIDS PRODUCED BY SUBSTANTIALLY COMPLETE OXIDATION OF MICROCRYSTALLINE WAX CONTAINING 34 TO 55 CARBON ATOMS PER MOLECULE WHICH IS CHARACTERIZED BY EXTREME WATER INSOLUBILITY AND BY A SAPONIFICATION NUMBER LESS THAN ABOUT 200 AND WHICH PREDOMINATES IN MONOCARBOXYLIC ACIDS HAVING AN APPARENT CHAIN LENGTH EXCEEDING EIGHTEEN CARBON ATOMS PER MOLECULE.
References Cited (Backward Citations)
US2288769A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-16 | 1956-03-17 | 1956-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-16 | 1960-03-17 | 1960-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-16 | 1964-03-17 | 1964-09-16 | $7700.00 | Window Closed / Lapsed |