Patent US3128258A successfully refreshed from Google Patents.
US3128258A
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US
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Foamable composition comprising a halomethylated diaromatic ether, an organic solvent, and a finely divided solid salt of carbonic acid; process of foaming same; and foamed product
Assignee: Dow Chemical Co
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Filing: 1961-03-29
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Granted: 1964-04-07
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Expires: 1981-03-29
Abstract
No abstract record available.
Inventors
- 👤 James D Doedens
- 👤 Earl H Rosenbrock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:38
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; C08J9/12; C08J9/14; C08J9/141; C08J9/06; C08J9/08; C08J2365/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A THERMALLY, FOAMABLE COMPOSITION OF MATTER COMPRISING A HALOMETHYLATED DIAROMATIC ETHER OF THE BENZENE SERIES HAVING AN AVERAGE HALOMETHYL FUNCTIONALITY OF AT LEAST ABOUT 1 AND UP TO ABOUT 4 PER MOLECULE, WHEREIN THE HALOGENS ARE SELECTED FROM THE GROUIP CONSISTING OF CHLORINE AND BROMINE, AND FROM ABOUT 0.1 TO ABOUT 4 PERCENT OF WEIGHT, BASED ON THE WEIGHT OF THE HALOMETHYLATED DIAROMATIC ETHER, OF EACH OF (1) AN ORGANIC SOLVENT COMPOSED ESSENTIALLY OF PARAFFINS HAVING FROM 7 TO 50 CARBON ATOMS AND A BOILING POINT ABOVE AND AMELTING POINT BELOW A TEMPERATURE SUFFICIENT TO CAUSE THE HALOMETHYLATED DIAROMATIC ETHER COMPOSITION TO FOAM AND (2) A FINELY DIVIDED SOLID SALT OF CARBONIC ACID SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL AND AMMONIUM CARBONATES AND BICARBONATES AND ALKALINE EARTH METAL CARBONATES.
Claim 2
Dependent Claim
131 words
A THERMALLY, FOAMABLE COMPOSITION OF MATTER COMPRISING A HALOMETHYLATED DIAROMATIC ETHER OF THE BENZENE SERIES HAVING AN AVERAGE HALOMETHYL FUNCTIONALITY OF AT LEAST ABOUT 1 AND UP TO ABOUT 4 PER MOLECULE, WHEREIN THE HALOGENS ARE SELECTED FROM THE GROUIP CONSISTING OF CHLORINE AND BROMINE, AND FROM ABOUT 0.1 TO ABOUT 4 PERCENT OF WEIGHT, BASED ON THE WEIGHT OF THE HALOMETHYLATED DIAROMATIC ETHER, OF EACH OF (1) AN ORGANIC SOLVENT COMPOSED ESSENTIALLY OF PARAFFINS HAVING FROM 7 TO 50 CARBON ATOMS AND A BOILING POINT ABOVE AND AMELTING POINT BELOW A TEMPERATURE SUFFICIENT TO CAUSE THE HALOMETHYLATED DIAROMATIC ETHER COMPOSITION TO FOAM AND (2) A FINELY DIVIDED SOLID SALT OF CARBONIC ACID SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL AND AMMONIUM CARBONATES AND BICARBONATES AND ALKALINE EARTH METAL CARBONATES.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |