US3342896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carboxy-containing copolymers stabilized by the esterification of the carboxyl groups with vinyl ethers or olefinic compounds
Assignee: Dow Chemical Co
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Filing: 1964-03-11
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Granted: 1967-09-19
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Expires: 1984-03-11
Abstract
No abstract record available.
Inventors
- 👤 Robert L Zimmerman
- 👤 Charles E Lyons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:59
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A STABILIZED COMPOSITION COMPRISING (A) A POLYMER CONTAINING 1-50 MOLE PERCENT OF A CARBOXYL CONTAINING VINYL MONOMER AND (B) A CURING AGENT SELECTED FROM THE GROUP CONSISTING OF A POLYEPOXIDE HAVING MORE THAN ONE 1,2-EPOXY GROUP PER MOLECULE, AN AMINE- ALDEHYDE RESIN AND A MIXTURE THEREOF, WHICH IS REACTIVE WITH THE CARBOXYL GROUPS OF THE POLYMER, WHEREIN THE POLYMER HAS BEEN HEATED IN THE PRESENCE OF A VINYLIDENE COMPOUND SELECTED FROM THE GROUP HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
77 words
A STABILIZED COMPOSITION COMPRISING (A) A POLYMER CONTAINING 1-50 MOLE PERCENT OF A CARBOXYL CONTAINING VINYL MONOMER AND (B) A CURING AGENT SELECTED FROM THE GROUP CONSISTING OF A POLYEPOXIDE HAVING MORE THAN ONE 1,2-EPOXY GROUP PER MOLECULE, AN AMINE- ALDEHYDE RESIN AND A MIXTURE THEREOF, WHICH IS REACTIVE WITH THE CARBOXYL GROUPS OF THE POLYMER, WHEREIN THE POLYMER HAS BEEN HEATED IN THE PRESENCE OF A VINYLIDENE COMPOUND SELECTED FROM THE GROUP HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
FR1313575A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |