US2555489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resinous aryl silicate-aldehyde reaction product and method of making same
Assignee: Diamond Shamrock Corp
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Filing: 1947-12-02
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Granted: 1951-06-05
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Expires: 1967-12-02
Abstract
No abstract record available.
Inventors
- 👤 Hirsch Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:17
CPC Classifications
C; C08; C08G; C08G16/00; C08G16/02; C08G16/0287
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
THE METHOD OF FORMING A RESINOUS MATERIAL WHICH COMPRISES OF THE STEPS OF CONTACTING A TETRAHYDROCARBON SILICATE WHERE THREE TO FOUR HYDROCARBON RADICALS ARE SELECTED FROM THE GROUP CONSISTING OF PHENYL AND ALKYLATED PHENYL AND ANY REMAINING OF SUCH HYDROCARBON RADICALS IS METHYL, WITH AN ALDEHYDE CHOSEN FROM THE GROUP CONSISTING OF FORMALDEHYDE, METALDEHYDE, AND PARALDEHYDE IN THE PRESENCE OF A CATALYST AND HEATING THE SAME TO INITATE A REACTION BETWEEN SAID TETRAHYDROCARBON SILICATE AND SAID ALDEHYDE.
Claim 2
Independent Claim
77 words
THE METHOD OF FORMING A RESINOUS MATERIAL WHICH COMPRISES OF THE STEPS OF CONTACTING A TETRAHYDROCARBON SILICATE WHERE THREE TO FOUR HYDROCARBON RADICALS ARE SELECTED FROM THE GROUP CONSISTING OF PHENYL AND ALKYLATED PHENYL AND ANY REMAINING OF SUCH HYDROCARBON RADICALS IS METHYL, WITH AN ALDEHYDE CHOSEN FROM THE GROUP CONSISTING OF FORMALDEHYDE, METALDEHYDE, AND PARALDEHYDE IN THE PRESENCE OF A CATALYST AND HEATING THE SAME TO INITATE A REACTION BETWEEN SAID TETRAHYDROCARBON SILICATE AND SAID ALDEHYDE.
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) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |