US2599339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions containing a major amount of a wax and a minor amount of a copolymer of ethylene-1,2-dicarboxylic acids and their derivatives
Assignee: Standard Oil Development Co
•
Filing: 1949-12-08
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Granted: 1952-06-03
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Expires: 1969-12-08
Abstract
No abstract record available.
Inventors
- 👤 Samuel B Lippincott
- 👤 David W Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:49
CPC Classifications
C; C08; C08L; C08L91/00; C08L91/06; C08L91/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF A PARAFFIN WAX AND A MINOR PROPORTION OF A COMPLETELY ESTERIFIED ALIPHATIC ESTER OF AN ALKENE-MALEIC ANHYDRIDE COPOLYMER WHEREIN THE ESTERIFICATION AGENT IS A MONOHYDRIC SATURATED ALCOHOL.
Claim 2
Dependent Claim
36 words
A COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF A PARAFFIN WAX AND A MINOR PROPORTION OF A COMPLETELY ESTERIFIED ALIPHATIC ESTER OF AN ALKENE-MALEIC ANHYDRIDE COPOLYMER WHEREIN THE ESTERIFICATION AGENT IS A MONOHYDRIC SATURATED ALCOHOL.
References Cited (Backward Citations)
US2055456A
Cited
US2454284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-03 | 1955-12-03 | 1956-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-03 | 1959-12-03 | 1960-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-03 | 1963-12-03 | 1964-06-03 | $7700.00 | Window Closed / Lapsed |