Patent US4577200A successfully refreshed from Google Patents.
Patent US2849333A successfully refreshed from Google Patents.
US2849333A
Expired / Lapsed
US
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Method of dyeing tightly wound glass fibers sized with a water swellable material
Assignee: Owens Corning
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Filing: 1954-01-08
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Granted: 1958-08-26
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Expires: 1974-01-08
Abstract
No abstract record available.
Inventors
- 👤 Ralph N Kingsbury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:06
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/465; C03C25/475
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
THE METHOD FOR COLORING GLASS FIBERS SIZED WITH A COMPOSITION COMTAINING A WATER SWELLABLE ADHESIVE AND IN WHICH THE SIZED GLASS FIBERS ARE TIGHTLY WOUND INTO A PACKAGE, COMPRISING IMPREGNATING THE PACKAGE OF GLASS FIBERS WITH A DYE COMPOSITION FORMED OF A DILUENT AND A DYESTUFF IN WHICH THE DYESTUFF CONSTITUES A WTER SOLUBLE DYESTUFF SELECTED FROM THE GROUP CONSISTING OF DIRECT AND ACID DYESTUFFS IN AMOUNTS SUFFICIENT TO IMPART THE DESIRED INTENSITY OF COLOR TO THE GLASS FIBERS AND IN WHICH THE DILUENTS CONSIST ESSENTIALLY OF 5-50 PERCENT BY WEIGHT OF A COUPLER SELECTED FROM THE GROUP CONSISTING OF POLYHYDRIC ALCOHOLS OF LOW CARBON LENGTH, WITH THE REMAINDER ALCOHOL ESTERS OF LOW CARBON LENGTH, WITH THE REMAINDER BEING FORMED OF AN ALCOHOL HAVING A SHORT CARBON CHAIN WHICH FUNCTION AS A NON-SOLVENT DILUENT FOR THE WATER SOLUBLE DYESTUFF BUT WHICH FORMS A STABLE COMPOSITION IN THE PRESENCE OF THE COUPLER.
Claim 2
Independent Claim
151 words
THE METHOD FOR COLORING GLASS FIBERS SIZED WITH A COMPOSITION COMTAINING A WATER SWELLABLE ADHESIVE AND IN WHICH THE SIZED GLASS FIBERS ARE TIGHTLY WOUND INTO A PACKAGE, COMPRISING IMPREGNATING THE PACKAGE OF GLASS FIBERS WITH A DYE COMPOSITION FORMED OF A DILUENT AND A DYESTUFF IN WHICH THE DYESTUFF CONSTITUES A WTER SOLUBLE DYESTUFF SELECTED FROM THE GROUP CONSISTING OF DIRECT AND ACID DYESTUFFS IN AMOUNTS SUFFICIENT TO IMPART THE DESIRED INTENSITY OF COLOR TO THE GLASS FIBERS AND IN WHICH THE DILUENTS CONSIST ESSENTIALLY OF 5-50 PERCENT BY WEIGHT OF A COUPLER SELECTED FROM THE GROUP CONSISTING OF POLYHYDRIC ALCOHOLS OF LOW CARBON LENGTH, WITH THE REMAINDER ALCOHOL ESTERS OF LOW CARBON LENGTH, WITH THE REMAINDER BEING FORMED OF AN ALCOHOL HAVING A SHORT CARBON CHAIN WHICH FUNCTION AS A NON-SOLVENT DILUENT FOR THE WATER SOLUBLE DYESTUFF BUT WHICH FORMS A STABLE COMPOSITION IN THE PRESENCE OF THE COUPLER.
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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) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |