Patent US2993920A successfully refreshed from Google Patents.
US2993920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resins and method of making the same
Assignee: Archer Daniels Midland Co
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Filing: 1958-09-23
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Granted: 1961-07-25
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Expires: 1978-09-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter M Budde
- 👤 Gale W Matson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:35
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A RESINOUS MATERIAL COMPRISING ESSENTIALLY THE REACTION PRODUCT OF SUBSTANTIALLY 100 PARTS OF EPOXIDIZED LIQUID ALIPHATIC HIGHER FATTY ACID ESTER MATERIAL AS THE MAJOR EXPOXY CONSTITUENT CONTAINING 12-26 CARBON ATOMS IN THE FATTY RADICAL HAVING AN IODINE VALUE HIGHER THAN 140 BEFORE EXPOXIDATION AND AFTER EPOXIDATION HAVING A PLURALITY OF INTERNAL OXIRANE GROUPS, EQUIVALENT TO AT LEAST ABOUT 8% INTERNAL OXIRANE VALUE, SAID EPOXIDIZED ESTER BEING NEUTGRALIZED AND CONTAINING ABOUT 10 PARTS TO 2000 PARTS PER MILLIONOF MONO-VALENT ALKALI METAL ION, AND THE ANHYDRIDE OF A POLYCARBOXYLIC ACID IN THE MOLAR RATIO OF ABOUT .5 TO ABOUT 1.2 MOLE ANHYDRIDE PER MOLE INTERNAL OXIRANE IN SAID FATTY ESTER.
Claim 2
Dependent Claim
108 words
A RESINOUS MATERIAL COMPRISING ESSENTIALLY THE REACTION PRODUCT OF SUBSTANTIALLY 100 PARTS OF EPOXIDIZED LIQUID ALIPHATIC HIGHER FATTY ACID ESTER MATERIAL AS THE MAJOR EXPOXY CONSTITUENT CONTAINING 12-26 CARBON ATOMS IN THE FATTY RADICAL HAVING AN IODINE VALUE HIGHER THAN 140 BEFORE EXPOXIDATION AND AFTER EPOXIDATION HAVING A PLURALITY OF INTERNAL OXIRANE GROUPS, EQUIVALENT TO AT LEAST ABOUT 8% INTERNAL OXIRANE VALUE, SAID EPOXIDIZED ESTER BEING NEUTGRALIZED AND CONTAINING ABOUT 10 PARTS TO 2000 PARTS PER MILLIONOF MONO-VALENT ALKALI METAL ION, AND THE ANHYDRIDE OF A POLYCARBOXYLIC ACID IN THE MOLAR RATIO OF ABOUT .5 TO ABOUT 1.2 MOLE ANHYDRIDE PER MOLE INTERNAL OXIRANE IN SAID FATTY ESTER.
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) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |