US2732382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
-chjoh
Assignee: —
•
Filing: —
•
Granted: 1956-01-24
•
Expires: 1973-01-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:30
CPC Classifications
C; C09; C09B; C09B62/00; C09B69/00; C09B69/10; C09B69/101
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A RESIN-DYE OF THE ANTHRAQUINONE DYE SERIES CONTAINING A HYDROXYALKYL GROUP SELECTED FROM THE GROUP CONSISTING OF C-HYDROXYALKYL AND N-HYDROXYALKYL GROUPS, THE HYDROXYL GROUP OF SAID HYDROXYALKYL GROUP HAVING BEEN ESTERIFIED BY A SYNTHETIC POLYMER CONTAINING A GROUP SELECTED FROM THE GROUP CONSISTING OF CARBOXYLIC HALIDE AND CARBOXYLIC ANHYDRIDE GROUPS,SAID SYNTHETIC POLYMER BEING A POLYMER OF A POLYMERIZABLE, UNSATURATED COMPOUND CONTAINING A CH2=C< GROUP.
Claim 2
Dependent Claim
64 words
A RESIN-DYE OF THE ANTHRAQUINONE DYE SERIES CONTAINING A HYDROXYALKYL GROUP SELECTED FROM THE GROUP CONSISTING OF C-HYDROXYALKYL AND N-HYDROXYALKYL GROUPS, THE HYDROXYL GROUP OF SAID HYDROXYALKYL GROUP HAVING BEEN ESTERIFIED BY A SYNTHETIC POLYMER CONTAINING A GROUP SELECTED FROM THE GROUP CONSISTING OF CARBOXYLIC HALIDE AND CARBOXYLIC ANHYDRIDE GROUPS,SAID SYNTHETIC POLYMER BEING A POLYMER OF A POLYMERIZABLE, UNSATURATED COMPOUND CONTAINING A CH2=C< GROUP.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-23 | 1959-07-25 | 1960-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-23 | 1963-07-25 | 1964-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-23 | 1967-07-25 | 1968-01-24 | $7700.00 | Window Closed / Lapsed |