US3155533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating glass wool with polysiloxanes
Assignee: Pure Oil Co
•
Filing: 1959-09-10
•
Granted: 1964-11-03
•
Expires: 1979-09-10
Abstract
No abstract record available.
Inventors
- 👤 Schaschl Edward
- 👤 George G Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:07
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/40; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/17; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A PROCESS FOR PREPARING A TREATED GLASS WOOL OF ENHANCED STATIC-ELECTRICITY-GENERATING CHARACTERISTICS COMPRISING APPLYING A COATING OF METHYL SUBSTITUTED POLYSILOXANES HAVING ABOUT 10-1002 SILOXANE GROUPS/MOLE CULE ON SAID GLASS WOOL TO RENDER IT OIL-WETTABLE, CIRCULATING THROUGH SAID GLASS WOOL A FLUID COMPRISING LOWVISCOSITY LIQUID PARAFFINIC HYDROCARBON HAVING FROM FIVE TO TEN CARBON ATOMS PER MOLECULE AND 0.5% TO 2.0% BY WEIGHT OF WATER, UNTIL THE CAPACITY OF SAID GLASS WOOL TO GENERATE STATIC ELECTRICTY IS SUBSTANTIALLY REDUCED, AND THEREAFTER WASHING SAID GLASS WOOL WITH A SOLVENT MISCIBLE WITH BOTH OIL AND WATER.
Claim 2
Dependent Claim
92 words
A PROCESS FOR PREPARING A TREATED GLASS WOOL OF ENHANCED STATIC-ELECTRICITY-GENERATING CHARACTERISTICS COMPRISING APPLYING A COATING OF METHYL SUBSTITUTED POLYSILOXANES HAVING ABOUT 10-1002 SILOXANE GROUPS/MOLE CULE ON SAID GLASS WOOL TO RENDER IT OIL-WETTABLE, CIRCULATING THROUGH SAID GLASS WOOL A FLUID COMPRISING LOWVISCOSITY LIQUID PARAFFINIC HYDROCARBON HAVING FROM FIVE TO TEN CARBON ATOMS PER MOLECULE AND 0.5% TO 2.0% BY WEIGHT OF WATER, UNTIL THE CAPACITY OF SAID GLASS WOOL TO GENERATE STATIC ELECTRICTY IS SUBSTANTIALLY REDUCED, AND THEREAFTER WASHING SAID GLASS WOOL WITH A SOLVENT MISCIBLE WITH BOTH OIL AND WATER.
References Cited (Backward Citations)
US1922933A
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US2148064A
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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) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |