US2965596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyethylene coating for glassware and glass coated therewith
Assignee: Armstrong World Industries Inc
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Filing: 1958-05-20
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Granted: 1960-12-20
•
Expires: 1978-05-20
Abstract
No abstract record available.
Inventors
- 👤 John M Sharf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:39
CPC Classifications
C; C09; C09D; C09D123/00; C09D123/02; C09D123/04; C09D123/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A NONSEIZING CAOTING FOR GLASSWARE COMPRISING AN AQUEOUS DISPERSION OF POLYETHYLENE HAVING A MOLECULAR WEIGHT RANGING BETWEEN 1500 AND 10,000, AN AMMONIACAL EMULSIFYING AGENT FOR THE POLYETHYLENE SELECTED FROM THE GROUP CONSISTING OF TRIETHANOLAMINE, AMMONIA WATER, DIETHANOLAMINE AND MONOETHANOLAMINE, AN ALKALI SOAP HAVING EXCESS ALKALINITY FORMED FROM OLEIC ACID AND AN ALKALI SELECTED FROM THE GROUP CONSISTING OF SODICUM HYDROXIDE AND POTASSIUM HYDROXIDE, AND AN ALKALINE PHOSPHATE BUFFERING AGENT SELECTED FROM THE GROUP CONSISTING OF TERRASODIUM PYROPHOSPHATE, MIXTURES OF DIHYDROGEN AND MONOHYDROGEN POTASSIUM PHOSPHATE, AND MIXTURES OF DIHYDROGEN AND MONOHYDROGEN SODIUM PHOSPHATE.
Claim 2
Dependent Claim
92 words
A NONSEIZING CAOTING FOR GLASSWARE COMPRISING AN AQUEOUS DISPERSION OF POLYETHYLENE HAVING A MOLECULAR WEIGHT RANGING BETWEEN 1500 AND 10,000, AN AMMONIACAL EMULSIFYING AGENT FOR THE POLYETHYLENE SELECTED FROM THE GROUP CONSISTING OF TRIETHANOLAMINE, AMMONIA WATER, DIETHANOLAMINE AND MONOETHANOLAMINE, AN ALKALI SOAP HAVING EXCESS ALKALINITY FORMED FROM OLEIC ACID AND AN ALKALI SELECTED FROM THE GROUP CONSISTING OF SODICUM HYDROXIDE AND POTASSIUM HYDROXIDE, AND AN ALKALINE PHOSPHATE BUFFERING AGENT SELECTED FROM THE GROUP CONSISTING OF TERRASODIUM PYROPHOSPHATE, MIXTURES OF DIHYDROGEN AND MONOHYDROGEN POTASSIUM PHOSPHATE, AND MIXTURES OF DIHYDROGEN AND MONOHYDROGEN SODIUM PHOSPHATE.
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) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |