US2840603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinylphenyl aliphatic aminocarboxylic acids
Assignee: Dow Chemical Co
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Filing: 1956-10-12
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Granted: 1958-06-24
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Expires: 1976-10-12
Abstract
No abstract record available.
Inventors
- 👤 Richard A Mock
- 👤 Leo R Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:56
CPC Classifications
C; C02; C02F; C02F5/00; C02F5/08; C02F5/10; C02F5/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
A POLYMERIZABLE VINYLPHENYL ALIPHATIC AMINOCARBOXYLIC COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
9 words
A POLYMERIZABLE VINYLPHENYL ALIPHATIC AMINOCARBOXYLIC COMPOUND HAVING THE FORMULA
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) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |