US3125544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chjcho
Assignee: —
•
Filing: —
•
Granted: 1964-03-17
•
Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:03
CPC Classifications
C; C08; C08L; C08L71/00; C08L71/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
AN ASSOCIATION PRODUCT COMPRISING BETWEEN ABOUT 90 AND 5 PARTS BY WEIGHT OF A POLYMERIC ETHER COMPOUND HAVING AN AVERAGE MOLECULAR WEIGHT BETWEEN ABOUT 18,000 AND 10,000,000 AND CONTAINING FROM ABOUT 0.5 TO 3.33 NON-CYCLIC ALIPHATIC OXYGEN ETHER GROUPS PER 100 MOLECULAR WEIGHT, AND BETWEEN ABOUT 10 PARTS AND 95 PARTS BY WEIGHT OF A COMPOUND WHICH CONTAINS AT LEAST ONE PHENOLIC GROUP AND SAID PHENOLIC GROUPS CONSTITUTE NOT LESS THAN 0.5 MOLE, ON THE AVERAGE, PER 100 MOLECULAR WEIGHT.
Claim 2
Dependent Claim
23 words
THE ASSOCIATION PRODUCT OF CLAIM 5 WHEREIN SAID POLYMERIC ETHER COMPOUND COMPRISES POLY(ALKYLENE OXIDE) RESIN AND SAID PHENOLIC COMPOUND COMPRISES NOVOLAK PHENOLIC RESIN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-17 | 1967-09-16 | 1968-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-17 | 1971-09-16 | 1972-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-17 | 1975-09-16 | 1976-03-17 | $7700.00 | Window Closed / Lapsed |