US3640983A
Expired / Lapsed
US
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Method of making coupler-bonded-polymers and chromogen-bonded-polymers nd polymers made thereby
Assignee: Individual
•
Filing: 1966-11-09
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Granted: 1972-02-08
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Expires: 1986-11-09
Abstract
Abstract A METHOD OF MAKING A COUPLER-BONDED-POLYMER CAPABLE OF BEING COUPLED WITH A DIAZONIUM COMPOUND, WHICH COMPRISES THE STEPS OF DIAZOTIZING A COUPLER CONTAINING A PRIMARY AMINO RADICAL TO PRODUCE A DIAZOTIZED PRODUCT STABILIZING SUCH DIAZOTIZED PRODUCT WITH A STABILIZER TO PRODUCE A STABILIZED DIAZONIUM COMPOUND, MIXING THE STABILIZED DIAZONIUM COMPOUND WITH AN ETHYLENICALLY UNSATURATED POLYMERIZABLE MONOMER AND POLYMERIZING THE MONOMER BY UTILIZING THE STABILIZED DIAZONIUM COMPOUND AS A POLYMERIZATION INITIATOR TO PRODUCE A COUPLER-BONDEDPOLYMER. A METHOD OF COLORING ARTICLES WITH THE USE OF THE COUPLER-BONDED-POLYMER THUS PRODECED IS ALSO PROVIDED.
Inventors
- 👤 Shojiro Horiguchi
- 👤 Michiei Nakamura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:33
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/30; C08F4/00; C08F4/04; Y; Y10; Y10S; Y10S526/00; Y10S526/915
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) | 1975-02-07 | 1975-08-09 | 1976-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-07 | 1979-08-09 | 1980-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-07 | 1983-08-09 | 1984-02-08 | $7700.00 | Window Closed / Lapsed |