US2699436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymers of dialkylamino aryl itaconamides
Assignee: Beazer East Inc
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Filing: 1951-08-31
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Granted: 1955-01-11
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Expires: 1971-08-31
Abstract
No abstract record available.
Inventors
- 👤 Alelio Gaetano F D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:39
CPC Classifications
C; C08; C08F; C08F22/00; C08F22/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
THE POLYMERIZATION PRODUCT HAVING REPEATING ACID REACTION GROUPS, OBTAINED BY POLYMERIZING A MASS COMPRISING AN N-(DIALKYLAMINO BENZENOID HYDROCARBON ARYL) ITACONIC ACID AMIDE IN WHICH THE ALKYL GROUPS CONTAIN NOT MORE THAN 3 CARBON ATOMS EACH AND ARYL GROUP CONTAINS NOT MORE THAN 14 CARBON ATOMS.
Claim 2
Dependent Claim
45 words
THE POLYMERIZATION PRODUCT HAVING REPEATING ACID REACTION GROUPS, OBTAINED BY POLYMERIZING A MASS COMPRISING AN N-(DIALKYLAMINO BENZENOID HYDROCARBON ARYL) ITACONIC ACID AMIDE IN WHICH THE ALKYL GROUPS CONTAIN NOT MORE THAN 3 CARBON ATOMS EACH AND ARYL GROUP CONTAINS NOT MORE THAN 14 CARBON ATOMS.
References Cited (Backward Citations)
US2371104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-10 | 1958-07-12 | 1959-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-10 | 1962-07-12 | 1963-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-10 | 1966-07-12 | 1967-01-11 | $7700.00 | Window Closed / Lapsed |