US3030347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dialkylphosphonoalkyl acrylate and methacrylate copolymers
Assignee: Rohm and Haas Co
•
Filing: 1960-04-25
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Granted: 1962-04-17
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Expires: 1980-04-25
Abstract
No abstract record available.
Inventors
- 👤 Joseph L O'brien
- 👤 Constance A Lane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:14
CPC Classifications
C; C08; C08F; C08F230/00; C08F230/02; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4006; C08F30/00; C08F30/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
A COPOLYMER OF (1) A COMPOUND HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
10 words
A COPOLYMER OF (1) A COMPOUND HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US2934555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |