Patent US3687860A successfully refreshed from Google Patents.
US3687860A
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Polymerizable mixtures comprising a halogenated bivalent metal salt of an acrylate- or methacrylate-phthalate ester of an alkylene glycol
Assignee: Okura Industrial Co Ltd
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Filing: 1970-08-18
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Granted: 1972-08-29
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Expires: 1990-08-18
Abstract
Abstract WHEREIN R1 IS HYDROGEN OR METHYL, R2 IS AN ALKYLENE GROUP WHICH MAY OR MAY NOT BE HALOGENATED AND X IS HALOGEN, AND THEN MIXING SAID SALT WITH ANOTHER MONOMER CAPABLE OF COPOLYMERIZATION WITH IT. THE POLYMERIZABLE SUBSTANCE SO OBTAINED CAN BE USED IN PAINTS OR AS A MODLING MATERIAL OR ADHESIVE. BENZENE 1-(HOOC-),2,3,4,5-TETRA(X-),6-(CH2=C(-R1)-COO-R2-OOC-) A POLYMERIZABLE SUBSTANCE IS PREPARED BY FIRST MAKING A BIVALENT METAL SALT OF A COMPOUND HAVING THE STRUCTURAL FORMULA
Inventors
- 👤 Hideaki Matsuda
- 👤 Takanori Okamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:26
CPC Classifications
C; C07; C07F; C07F3/00; C07F3/003; C07F7/00; C07F7/003; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/26; C08F20/30; C09; C09J; C09J133/00; C09J133/04; C09J133/14
Claims Analysis
Total Claims: 0
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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) | 1975-08-29 | 1976-02-28 | 1976-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-29 | 1980-02-28 | 1980-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-29 | 1984-02-28 | 1984-08-29 | $7700.00 | Window Closed / Lapsed |