Patent US2985624A successfully refreshed from Google Patents.
US2985624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of zinc polyesters
Assignee: Anaconda Wire and Cable Co
•
Filing: 1956-10-09
•
Granted: 1961-05-23
•
Expires: 1976-10-09
Abstract
No abstract record available.
Inventors
- 👤 Arndt Rudolph Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:19
CPC Classifications
C; C08; C08G; C08G79/00; C08G63/00; C08G63/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A POLYMERIC ZINC POLYESTER OF AN AROMATIC DICARBOXYLIC ACID AND AN ALIPHATIC POLYHYDROXY ALCOHOL CONTAINING NOT MORE THAN ABOUT TEN CARBON ATOMS, SAID POLY ESTER CONTAINING AT LEAST ONE DIVALENT DICARBOXYZINC LINKAGE ATTACHED TO A BENZENOID CARBON ATOM THROUGH EACH OF THE CARBOXY CARBON ATOMS OF SAID DIVALENT DICARBOXYZINC LINKAGE.
Claim 2
Dependent Claim
50 words
A POLYMERIC ZINC POLYESTER OF AN AROMATIC DICARBOXYLIC ACID AND AN ALIPHATIC POLYHYDROXY ALCOHOL CONTAINING NOT MORE THAN ABOUT TEN CARBON ATOMS, SAID POLY ESTER CONTAINING AT LEAST ONE DIVALENT DICARBOXYZINC LINKAGE ATTACHED TO A BENZENOID CARBON ATOM THROUGH EACH OF THE CARBOXY CARBON ATOMS OF SAID DIVALENT DICARBOXYZINC LINKAGE.
References Cited (Backward Citations)
US2465319A
Cited
US2665263A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |