Patent US3207652A successfully refreshed from Google Patents.
US3207652A
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Phenolic compositions
Assignee: Owens Corning
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Filing: 1960-12-29
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Granted: 1965-09-21
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Expires: 1980-12-29
Abstract
No abstract record available.
Inventors
- 👤 Richard F Shannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:07
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0085; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C03C25/32; C03C25/34; D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/587; D04H1/64; C08J2361/00; C08J2361/04; C08J2361/06; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
MINERAL FIBERS BONDED TOGETHER BY PHENOLIC RESIN COMPOSITION COMPRISING FROM 97-3% BY WEIGHT OF A RESOLE RESIN, FROM 3-97% BY WEIGHT OF A NOVOLAC RESIN AND FROM 8-16% BY WEIGHT BY HEXAMETHYLENE TETRAMINE BASED UPON THE WEIGHT OF THE NOVOLAC RESIN, SAID RESINOUS COMPOSITION COMPRISING FROM 0.25-50% OF THE TOTAL WEIGHT OF MINERAL FIBER AND PHENOLIC RESIN COMPOSITION.
Claim 2
Dependent Claim
58 words
MINERAL FIBERS BONDED TOGETHER BY PHENOLIC RESIN COMPOSITION COMPRISING FROM 97-3% BY WEIGHT OF A RESOLE RESIN, FROM 3-97% BY WEIGHT OF A NOVOLAC RESIN AND FROM 8-16% BY WEIGHT BY HEXAMETHYLENE TETRAMINE BASED UPON THE WEIGHT OF THE NOVOLAC RESIN, SAID RESINOUS COMPOSITION COMPRISING FROM 0.25-50% OF THE TOTAL WEIGHT OF MINERAL FIBER AND PHENOLIC RESIN COMPOSITION.
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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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |