US2543487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for treating mineral wool
Assignee: SC Johnson and Son Inc
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Filing: 1948-06-09
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Granted: 1951-02-27
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Expires: 1968-06-09
Abstract
No abstract record available.
Inventors
- 👤 Anton E Budner
- 👤 Margaret M Rendall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:12
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C03C25/28; C03C25/30; C03C25/255
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
AN AQUEOUS EMULSION CONCENTRATE SUITABLE FOR RENDERING MINERAL WOOL CAPABLE OF FLOATING ON BOILING WATER FOR A PERIOD OF AT LEAST 31/2 HOURS, CONSISTING ESSENTIALLY OF MINERAL OIL HAVING A SAYBOLT VISCOSITY AT 100* F., OF FROM 60 TO 1500 SECONDS, EMULSIFYING AGENT, WATER AND POLYBUTENE, SAID WATER BEING PRESENT IN A QUANTITY OF APPROXIMATELY 50% BY WEIGHT OF SAID EMULSION CONCENTRATE, SAID POLYBUTENE HAVING A MOLECULAR WEIGHT OF FROM ABOUT 500 TO 15,000 AND CONSTITUTING FROM 10 TO 35% BY WEIGHT OF THE MINERAL OIL PRESENT IN THE EMULSION CONCENTRATE, SAID EMULSION CONCENTRATE BEING CAPABLE OF REMAINING STABLE UPON DILUTION WITH WATER UP TO 15 PARTS OF WATER PER PART OF EMULSION CONCENTRATE.
Claim 2
Dependent Claim
114 words
AN AQUEOUS EMULSION CONCENTRATE SUITABLE FOR RENDERING MINERAL WOOL CAPABLE OF FLOATING ON BOILING WATER FOR A PERIOD OF AT LEAST 31/2 HOURS, CONSISTING ESSENTIALLY OF MINERAL OIL HAVING A SAYBOLT VISCOSITY AT 100* F., OF FROM 60 TO 1500 SECONDS, EMULSIFYING AGENT, WATER AND POLYBUTENE, SAID WATER BEING PRESENT IN A QUANTITY OF APPROXIMATELY 50% BY WEIGHT OF SAID EMULSION CONCENTRATE, SAID POLYBUTENE HAVING A MOLECULAR WEIGHT OF FROM ABOUT 500 TO 15,000 AND CONSTITUTING FROM 10 TO 35% BY WEIGHT OF THE MINERAL OIL PRESENT IN THE EMULSION CONCENTRATE, SAID EMULSION CONCENTRATE BEING CAPABLE OF REMAINING STABLE UPON DILUTION WITH WATER UP TO 15 PARTS OF WATER PER PART OF EMULSION CONCENTRATE.
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) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |