Patent US3784529A successfully refreshed from Google Patents.
US3784529A
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Polymeric quaternary ammonium compounds and methods for making same
Assignee: OI Glass Inc
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Filing: 1969-05-26
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Granted: 1974-01-08
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Expires: 1989-05-26
Abstract
Abstract DISCLOSED ARE NEW POLYMERIC QUARTERNARY COMPOUNDS AND METHODS FOR MAKING THEM. THE QUARTERNIZED ATOMS ARE IN THE POLYMER CHAIN BACKBONE. ALSO DISCLOSED IN AN ELECTROLYTIC METHOD OF POLYMERIZATION OF UNSATURATED MONOMERS IN THE PRESENCE OF A POLYMERIC TERNARY OR A POLYMERIC QUARTERNARY AMMONIUM COMPOUND AS A CONDUCTING ELECTROLYTE.
Inventors
- 👤 J Bayer
- 👤 E Santiago
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:14
CPC Classifications
C; C08; C08F; C08F2/00; C08F2/58; C08F290/00; C08F290/08; C08F290/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-07 | 1977-07-09 | 1978-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-07 | 1981-07-09 | 1982-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-07 | 1985-07-09 | 1986-01-08 | $7700.00 | Window Closed / Lapsed |