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US3061598A
Expired / Lapsed
US
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Method of polymerizing methacrylate ester monomer in the presence of a polymer and a cyclohexly amine
Assignee: Sartomer Resins Inc
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Filing: 1959-03-02
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Granted: 1962-10-30
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Expires: 1979-03-02
Abstract
No abstract record available.
Inventors
- 👤 John A Cornell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:43
CPC Classifications
C; C08; C08F; C08F291/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
IN A METHOD OF POLYMERZING A COMPOSITION COMPRISING A LIQUID POLYMERIZABLE METHACRYLATE ESTER MONOMER HAVING A BOILING POINT OF AT LEAST ABOUT 100*C. AT TEMPERATURES OF ABOVE ABOUT 100*C. IN THE PRESENCE OF A POLYMER SELECTED FROM THE GROUP CONSISTING OF METHYL METHACRYLATE POLYMER, VINYL CHLORIDE POLYMER, CELLULOSE NITRATE AND GLYCERYL PHTHALATE RESIN, THE STEP OF ADDING TO SAID MONOMER AS THE SOLE ACCELERATOR FOR POLYMERIZATION FROM ABOUT 200 TO ABOUT 2000 PARTS BY WEIGHT PER MILLION PARTS OF SAID MONOMER OF A HEAT SENSITIVE INHIBITOR COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
90 words
IN A METHOD OF POLYMERZING A COMPOSITION COMPRISING A LIQUID POLYMERIZABLE METHACRYLATE ESTER MONOMER HAVING A BOILING POINT OF AT LEAST ABOUT 100*C. AT TEMPERATURES OF ABOVE ABOUT 100*C. IN THE PRESENCE OF A POLYMER SELECTED FROM THE GROUP CONSISTING OF METHYL METHACRYLATE POLYMER, VINYL CHLORIDE POLYMER, CELLULOSE NITRATE AND GLYCERYL PHTHALATE RESIN, THE STEP OF ADDING TO SAID MONOMER AS THE SOLE ACCELERATOR FOR POLYMERIZATION FROM ABOUT 200 TO ABOUT 2000 PARTS BY WEIGHT PER MILLION PARTS OF SAID MONOMER OF A HEAT SENSITIVE INHIBITOR COMPOUND OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |