US2776897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and composition for making ceramic articles
Assignee: McGraw Electric Co
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Filing: 1953-05-06
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Granted: 1957-01-08
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Expires: 1973-05-06
Abstract
No abstract record available.
Inventors
- 👤 Hazelwood Robert Nichols
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:17
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/02; C04B33/13; C04B33/1315
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
THE METHOD OF FORMING A SHAPED CERAMIC ARTICLE COMPRISING MIXING POWDERED CERAMIC MATERIAL WITH A SUFFICIENT AMOUNT OF BINDER MATERIAL TO FORM A PLASTIC MASS, SAID BINDER MATERIAL CONSISTING ESSENTIALLY OF A PLASTICIZER CONSISTING OF A WATER-SOLUBLE CONDENSATION PRODUCT OF ETHYLENE OXIDE AND AN AROMATIC SULFONAMIDE; A WATER-DISPERSIBLE ADHESIVE SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE GLYCOLS, POLYVINYL ALCOHOLS, POLYVINYL ACETATES, GUM ARABIC, AND MIXTURES THEREOF; AND A WATER-SOLUBLE MATERIAL SELECTED FROM THE GROUP CONSISTING OF 2,2,6,6-TETRAMETHYLOL CYCLOHEXANOL AND THE PENTA STEARATE ESTER OF 2,2,6,6-TETRAMETHYLOL CYCLOHEXANOL AS A LUBRICANT; PASSING AND MIXTURE INTO A SHAPED BODY AND FIRING SAID BODY TO FORM SAID SHAPED CERAMIC ARTICLE.
Claim 2
Independent Claim
106 words
THE METHOD OF FORMING A SHAPED CERAMIC ARTICLE COMPRISING MIXING POWDERED CERAMIC MATERIAL WITH A SUFFICIENT AMOUNT OF BINDER MATERIAL TO FORM A PLASTIC MASS, SAID BINDER MATERIAL CONSISTING ESSENTIALLY OF A PLASTICIZER CONSISTING OF A WATER-SOLUBLE CONDENSATION PRODUCT OF ETHYLENE OXIDE AND AN AROMATIC SULFONAMIDE; A WATER-DISPERSIBLE ADHESIVE SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE GLYCOLS, POLYVINYL ALCOHOLS, POLYVINYL ACETATES, GUM ARABIC, AND MIXTURES THEREOF; AND A WATER-SOLUBLE MATERIAL SELECTED FROM THE GROUP CONSISTING OF 2,2,6,6-TETRAMETHYLOL CYCLOHEXANOL AND THE PENTA STEARATE ESTER OF 2,2,6,6-TETRAMETHYLOL CYCLOHEXANOL AS A LUBRICANT; PASSING AND MIXTURE INTO A SHAPED BODY AND FIRING SAID BODY TO FORM SAID SHAPED CERAMIC ARTICLE.
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) | 1960-01-08 | 1960-07-09 | 1961-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-08 | 1964-07-09 | 1965-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-08 | 1968-07-09 | 1969-01-08 | $7700.00 | Window Closed / Lapsed |