US2584082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making rigid foam composition
Assignee: Foster D Snell Inc
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Filing: 1948-04-26
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Granted: 1952-01-29
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Expires: 1968-04-26
Abstract
No abstract record available.
Inventors
- 👤 Macaluso Pat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:32
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/30; C08L; C08L89/00; C08L89/04; C08L89/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
THE PROCESS OF PRODUCING A SUBSTANTIALLY RIGID, LIGHTWEIGHT THERMAL INSULATING PRODUCT WHICH COMPRISES FORMING AN AQUEOUS SOLUTION CONTAINING 100 PARTS BY WEIGHT OF WATER, 4 TO 15 PARTS OF ANIMAL PROTEIN GLUE, 0.2 TO 2.25 PARTS OF AN ANION-ACTIVE SURFACE ACTIVE AGENT, A WATER SOLUBLE ANIMAL PROTEIN GLUE TANNING SALT SELECTED FROM THE GROUP CONSISTING OF A WATER SOLUBLE ANIMAL PROTEIN GLUE TANNING SALT OF A METAL SELECTED FROM THE GROUP CONSISTING OF CHROMIUM, ALUMINUM AND FERRIC IRON; AND AND INCORPORATING AIR THROUGH SAID AQUEOUS SOLUTION TO FORM A TOUGH, STABLE GLUE FOAM; AND THEN MIXING SHORT LENGTH, NON-COMMINUTED FIBERS WITH SAID GLUE FOAM IN PROPORTION OF ABOUT 30 TO 100 PARTS OF GLUE TO 100 PARTS OF FIBERS; SHAPING THE RESULTING MIXTURE TO THE FORM DESIRED AND DRYING THE SHAPED PRODUCT.
Claim 2
Dependent Claim
132 words
THE PROCESS OF PRODUCING A SUBSTANTIALLY RIGID, LIGHTWEIGHT THERMAL INSULATING PRODUCT WHICH COMPRISES FORMING AN AQUEOUS SOLUTION CONTAINING 100 PARTS BY WEIGHT OF WATER, 4 TO 15 PARTS OF ANIMAL PROTEIN GLUE, 0.2 TO 2.25 PARTS OF AN ANION-ACTIVE SURFACE ACTIVE AGENT, A WATER SOLUBLE ANIMAL PROTEIN GLUE TANNING SALT SELECTED FROM THE GROUP CONSISTING OF A WATER SOLUBLE ANIMAL PROTEIN GLUE TANNING SALT OF A METAL SELECTED FROM THE GROUP CONSISTING OF CHROMIUM, ALUMINUM AND FERRIC IRON; AND AND INCORPORATING AIR THROUGH SAID AQUEOUS SOLUTION TO FORM A TOUGH, STABLE GLUE FOAM; AND THEN MIXING SHORT LENGTH, NON-COMMINUTED FIBERS WITH SAID GLUE FOAM IN PROPORTION OF ABOUT 30 TO 100 PARTS OF GLUE TO 100 PARTS OF FIBERS; SHAPING THE RESULTING MIXTURE TO THE FORM DESIRED AND DRYING THE SHAPED PRODUCT.
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) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |