US2849418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermosetting epoxide polymer mixtures, method of making same and coatings containing same
Assignee: EIDP Inc
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Filing: 1953-11-10
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Granted: 1958-08-26
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Expires: 1973-11-10
Abstract
No abstract record available.
Inventors
- 👤 James C Fang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:59
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/32; C08G59/3209; C08G59/14; C08G59/1405; C08G59/1422; C08L; C08L63/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
AS A NEW COMPOSITION OF MATTER, A THERMO-SETTING MIXTURE COMPRISING A PHOSPHATED EPOXIDE POLYMER AND AN EPOXIDE-CONTAINING COMPOUND FREE OF PHOSPHATE GROUPS IN SUCH PROPORTIONS THAT THERE ARE PRESENT 0.10-1.5 MOLS OF EPOXIDE OXYGEN IN THE EPOXIDE-CONTAINING COMPOUND FOR EACH MOL OF PHOSPHATE ESTER, CALCULATED AS H2PO4, IN THE PHOSPHATED EPOXIDE POLYMER, SAID PHOSPHATED EPOXIDE POLYMER BEING A PHOSPHATE ESTER REACTION PRODUCT OF A PEFORMED EPOXIDE-CONTAINING ADDITION-TYPE POLYMER PREPARED BY POLYMERIZATION AT LEAST ONE POLYMERIZABLE ETHYLEMICALLY UNSATURATED MONOMER.
Claim 2
Dependent Claim
78 words
AS A NEW COMPOSITION OF MATTER, A THERMO-SETTING MIXTURE COMPRISING A PHOSPHATED EPOXIDE POLYMER AND AN EPOXIDE-CONTAINING COMPOUND FREE OF PHOSPHATE GROUPS IN SUCH PROPORTIONS THAT THERE ARE PRESENT 0.10-1.5 MOLS OF EPOXIDE OXYGEN IN THE EPOXIDE-CONTAINING COMPOUND FOR EACH MOL OF PHOSPHATE ESTER, CALCULATED AS H2PO4, IN THE PHOSPHATED EPOXIDE POLYMER, SAID PHOSPHATED EPOXIDE POLYMER BEING A PHOSPHATE ESTER REACTION PRODUCT OF A PEFORMED EPOXIDE-CONTAINING ADDITION-TYPE POLYMER PREPARED BY POLYMERIZATION AT LEAST ONE POLYMERIZABLE ETHYLEMICALLY UNSATURATED MONOMER.
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) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |