Patent US3207717A successfully refreshed from Google Patents.
US3207717A
Expired / Lapsed
US
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Thermoset copolymers
Assignee: 3M Co
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Filing: 1959-12-21
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Granted: 1965-09-21
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Expires: 1979-12-21
Abstract
No abstract record available.
Inventors
- 👤 John E Maier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:04
CPC Classifications
C; C08; C08L; C08L63/00; C08G; C08G10/00; C08G10/02; C08G10/04; C08G14/00; C08G14/02; C08G14/04; C08G8/00; C08G8/28; C08L61/00; C08L95/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
COMPOSITION OF MATTER COMPRISING AT LEAST 5% BY WEIGHT OF A NORMALLY SOLID, THERMOSETTING, POLYNUCLEAR AROMATIC CONTAINING, HYDROCARBONACEOUS RESINOUS MATERIAL HAVING A SOFTENING POINT OF 140*C. TO 250*C. AND CONTAINING 25 TO 60 PERCENT BENZENE-SOLUBLE COMPONENTS AND A SECOND THERMOSETTING RESIN COMPATIBLE WITH SAID HYDROCARBONACEOUS RESINOUS MATERIAL AND SELECTED FROM THE GROUP CONSISTING OF PHENOL-ADELHYDE CONDENSATION PRODUCTS, UREA-ALDEHYDE CONDENSATION PRODUCTS, MELAMINEALDEHYDE CONDENSATION PRODUCTS AND EPOXY RESINS.
Claim 2
Dependent Claim
66 words
COMPOSITION OF MATTER COMPRISING AT LEAST 5% BY WEIGHT OF A NORMALLY SOLID, THERMOSETTING, POLYNUCLEAR AROMATIC CONTAINING, HYDROCARBONACEOUS RESINOUS MATERIAL HAVING A SOFTENING POINT OF 140*C. TO 250*C. AND CONTAINING 25 TO 60 PERCENT BENZENE-SOLUBLE COMPONENTS AND A SECOND THERMOSETTING RESIN COMPATIBLE WITH SAID HYDROCARBONACEOUS RESINOUS MATERIAL AND SELECTED FROM THE GROUP CONSISTING OF PHENOL-ADELHYDE CONDENSATION PRODUCTS, UREA-ALDEHYDE CONDENSATION PRODUCTS, MELAMINEALDEHYDE CONDENSATION PRODUCTS AND EPOXY RESINS.
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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 |