US3634366A
Expired / Lapsed
US
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Polymerizing method
Assignee: Daicel Corp
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Filing: 1969-05-23
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Granted: 1972-01-11
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Expires: 1989-05-23
Abstract
Abstract A POLYMERIZING METHOD IN WHICH (1) A MONOMER COMPRISING A POLYMERIZABLE A,B-UNSATURATED ALIPHATIC MONOBASIC OR DIBASIC ACID AND (2) A MONOMER HAVING AN AMINE GRUOP WHICH CAN FORM A QUATERNARY AMMONIUM SALT, ARE CONTACTED AND MIXED WITH EACH OTHER UNDER POLYMERIZING CONDITIONS IN ORDER TO FORM A POLYMER WHICH IS USEFUL AS A FLOCCULATING AGENT, A SOIL CONDITIONER, A DISPERSING AGENT, AN ION EXCHANGE AGENT, A PAPER SIZING AGENT, A TEXTILE SIZING AGENT AND A BINDER OR ADHESIVE.
Inventors
- 👤 Kiyoshi Chujo
- 👤 Keiichi Ohata
- 👤 Kazunobu Tanaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:47
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/34; B; B01; B01J; B01J41/00; B01J41/08; B01J41/12; B01J41/14; C02; C02F; C02F1/00; C02F1/52; C02F1/54; C08F22/00; C08F220/04; C08F220/06; C08F26/00; C08F26/06
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-10 | 1975-07-12 | 1976-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-10 | 1979-07-12 | 1980-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-10 | 1983-07-12 | 1984-01-11 | $7700.00 | Window Closed / Lapsed |