US2910445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interpolymers comprising vinylphenyl aliphatic aminocarboxylic acid compounds
Assignee: Dow Chemical Co
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Filing: 1956-10-12
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Granted: 1959-10-27
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Expires: 1976-10-12
Abstract
No abstract record available.
Inventors
- 👤 Richard A Mock
- 👤 Charles A Marshall
- 👤 Leo R Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:47
CPC Classifications
C; C08; C08F; C08F26/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A RESINOUS ADDITION INTERPOLYMER CONTAINING RECURRING UNITS IN APPRECIABLE AMOUNTS CORRESPONDING TO ATLEAST 0.5 PERCENT BY WEIGHT OF EACH OF TWO DIFFERENT POLYMERIZABLE ETHYLENICALLY UNSATURATED COMPOUNDS ONE OF WHICH IS A VINYLPHENYL ALIPHATIC AMINOCARBOXYLIC ACID COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
39 words
A RESINOUS ADDITION INTERPOLYMER CONTAINING RECURRING UNITS IN APPRECIABLE AMOUNTS CORRESPONDING TO ATLEAST 0.5 PERCENT BY WEIGHT OF EACH OF TWO DIFFERENT POLYMERIZABLE ETHYLENICALLY UNSATURATED COMPOUNDS ONE OF WHICH IS A VINYLPHENYL ALIPHATIC AMINOCARBOXYLIC ACID 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) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |