Patent US3347818A successfully refreshed from Google Patents.
US3347818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methyl methacrylate compositions containing halogen substituted acid alkyl esters of orthophosphoric acid
Assignee: EIDP Inc
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Filing: 1962-11-30
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Granted: 1967-10-17
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Expires: 1982-11-30
Abstract
No abstract record available.
Inventors
- 👤 Howe King Lau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:11
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/521; C08F; C08F265/00; C08F265/04; C08F265/06; C08K5/53; C08K5/5317; C08K5/5333
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A COMPOSITION COMPRISING A METHACRYLATE OF THE CLASS CONSISTING OF METHYL METHACRYLATE MONOMER, POLYMER-IN-MONOMER SOLUTION OF POLYMETHYL METHACRYLATE IN METHYL METHACRYLATE MONOMER, AND SOLID POLYMETHYL METHACRYLATES; AND AT LEAST ONE HALOGENATED PHOSPHORUS COMPOUND SELECTED FROM THE CLASS CONSISTING OF HALOGEN SUBSTITUTED ACID ALKYL ESTERS OF ORTHOPHOSPHORIC ACID FORMULA
Claim 2
Dependent Claim
48 words
A COMPOSITION COMPRISING A METHACRYLATE OF THE CLASS CONSISTING OF METHYL METHACRYLATE MONOMER, POLYMER-IN-MONOMER SOLUTION OF POLYMETHYL METHACRYLATE IN METHYL METHACRYLATE MONOMER, AND SOLID POLYMETHYL METHACRYLATES; AND AT LEAST ONE HALOGENATED PHOSPHORUS COMPOUND SELECTED FROM THE CLASS CONSISTING OF HALOGEN SUBSTITUTED ACID ALKYL ESTERS OF ORTHOPHOSPHORIC ACID 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) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |