US2513121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating compositions and method of making the same
Assignee: Peter Cooper Corp
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Filing: 1946-09-25
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Granted: 1950-06-27
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Expires: 1966-09-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard Tutt
- 👤 John R Hubbard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:17
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
THE PROCESS OF MAKING AN ALKALINE TYPE, STABLE, AQUEOUS COATING COMPOSITION OF AT LEAST 30% DRY SOLIDS CONTAINING ANIMAL GLUE AS THE ADHESIVE BONDING AGENT, AND IN WHICH THE ANIMAL GLUE IS PROTECTED AGAINST ALKALINE HYDROLYSIS AND BACTERIAL BREAK-DOWN, COMPRISING THE STEPS OF MAKING A DEFLOCCULATED DISPERSION OF CLAY IN WATER WITH THE AID OF A DEFLOCCULATING AGENT, ADDING AN ALKALINE MATERIAL TO SAID WATER DISPERSION, INTIMATELY MIXING SAID ALKALINE MATERIAL WITH SAID MIXTURE AND THEN ADDING TO SAID MIXTURE A NORMAL ANIMAL GLUE SOLUTION, THE QUANTITY OF ALKALI ADDED BEING SUFFICIENT TO PROVIDE A FINAL COMPOSITION HAVING A PH RANGING FROM 8.5 TO 11.5.
Claim 2
Dependent Claim
105 words
THE PROCESS OF MAKING AN ALKALINE TYPE, STABLE, AQUEOUS COATING COMPOSITION OF AT LEAST 30% DRY SOLIDS CONTAINING ANIMAL GLUE AS THE ADHESIVE BONDING AGENT, AND IN WHICH THE ANIMAL GLUE IS PROTECTED AGAINST ALKALINE HYDROLYSIS AND BACTERIAL BREAK-DOWN, COMPRISING THE STEPS OF MAKING A DEFLOCCULATED DISPERSION OF CLAY IN WATER WITH THE AID OF A DEFLOCCULATING AGENT, ADDING AN ALKALINE MATERIAL TO SAID WATER DISPERSION, INTIMATELY MIXING SAID ALKALINE MATERIAL WITH SAID MIXTURE AND THEN ADDING TO SAID MIXTURE A NORMAL ANIMAL GLUE SOLUTION, THE QUANTITY OF ALKALI ADDED BEING SUFFICIENT TO PROVIDE A FINAL COMPOSITION HAVING A PH RANGING FROM 8.5 TO 11.5.
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) | 1953-06-26 | 1953-12-26 | 1954-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-26 | 1957-12-26 | 1958-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-26 | 1961-12-26 | 1962-06-27 | $7700.00 | Window Closed / Lapsed |