US3326716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass fiber binder
Assignee: Johns Manville Corp
•
Filing: 1963-08-30
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Granted: 1967-06-20
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Expires: 1983-08-30
Abstract
No abstract record available.
Inventors
- 👤 Elmer B Hurley
- 👤 Ellsworth L Smith
- 👤 Kitaj Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:50
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/184; D06M13/1845; C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C08; C08K; C08K9/00; C08K9/04; D06M15/00; D06M15/19; D06M15/21; D06M15/227; D06M15/233; B; B66; B66F; B66F2700/00; B66F2700/12; B66F2700/123; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2958
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A METHOD OF IMPROVING THE RECEPTIVITY OF GLASS FIBERS FOR RESINOUS MATERIALS WHICH COMPRISES CONTACTING THE GLASS FIBERS WITH A COUPLING AGENT IN ACIDIC AQUEOUS MEDIUM, THE COUPLING AGENT CONSISTING ESSENTIALLY OF, PER 100 PARTS BY WEIGHT OF WATER, (1) APPROXIMATELY 0.1 TO 30 PARTS BY WEIGHT OF A WATER-SOLUBLE CARBOXYL SUBSTITUTED PHENOL AND (2) APPROXIMATELY 0.1 TO 30 PARTS BY WEIGHT OF A WATER-SOLUBLE SALT OF A POLYVALENT METAL AND A STRONG ACID, SAID METAL BEING ONE WHICH FORMS A WEAK BASE.
Claim 2
Independent Claim
83 words
A METHOD OF IMPROVING THE RECEPTIVITY OF GLASS FIBERS FOR RESINOUS MATERIALS WHICH COMPRISES CONTACTING THE GLASS FIBERS WITH A COUPLING AGENT IN ACIDIC AQUEOUS MEDIUM, THE COUPLING AGENT CONSISTING ESSENTIALLY OF, PER 100 PARTS BY WEIGHT OF WATER, (1) APPROXIMATELY 0.1 TO 30 PARTS BY WEIGHT OF A WATER-SOLUBLE CARBOXYL SUBSTITUTED PHENOL AND (2) APPROXIMATELY 0.1 TO 30 PARTS BY WEIGHT OF A WATER-SOLUBLE SALT OF A POLYVALENT METAL AND A STRONG ACID, SAID METAL BEING ONE WHICH FORMS A WEAK BASE.
References Cited (Backward Citations)
US2932598A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |