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Patent US3344098A successfully refreshed from Google Patents.
US3344098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a chromogen bonded polymer and products thereof
Assignee: Dainichiseika Color and Chemicals Mfg Co Ltd
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Filing: 1965-01-19
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Granted: 1967-09-26
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Expires: 1985-01-19
Abstract
No abstract record available.
Inventors
- 👤 Horiguchi Shojiro
- 👤 Nakamura Michiei
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:49
CPC Classifications
C; C08; C08F; C08F291/00; Y; Y10; Y10S; Y10S8/00; Y10S8/938
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
63 words
A METHOD OF MAKING A CHROMOGEN-BONDED POLYMER COMPRISING MIXING DIAZOTIZED TETRA-(4-AMINO) COPPER PHTHALOCYANINE GREEN WITH METHYLMETHACRYLATE, ETHYLACRYLATE AND GLYCIDAL METHACRYLATE, COPOLYMERIZING SAID METHYLMETHACRYLATE, ETHYLACRYLATE AND GLYCIDAL METHACRYLATE SAID DIAZOTIZED COPPER PHTHALOCYANINE GREEN BEING USED AS THE POLYMERIZATION INITIATOR TO FORM SAID CHROMOGEN-BONDED-POLYMER AND REACTING SAID POLYMER WITH GLYCERINE, LINSEED OIL AND PHTHALIC ACID TO PRODUCE AN ALKYD RESINS TYPE SOLUTION OF SAID POLYMER.
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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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |