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US2562020A
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Process for preparing metallic resinates
Assignee: Sun Chemical Corp
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Filing: 1948-02-21
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Granted: 1951-07-24
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Expires: 1968-02-21
Abstract
No abstract record available.
Inventors
- 👤 Harry D Darlington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:41
CPC Classifications
C; C11; C11D; C11D15/00; C09; C09F; C09F1/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
93 words
IN THE PROCESS OF PREPARING A METALLIC RESINATE BY REACTING A ROSIN-CONTAINING POLYMER WITH A METALLIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE OXIDE AND HYDROXIDE UNDER MOLTEN CONDITIONS AND IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF ACETIC ACID, ACETIC ANHYDRIDE AND METAL SALTS OF ACETIC ACID, THE IMPROVEMENT WHICH CONSISTS IN ADDING THE CATALYST TO THE REACTION MIXTURE ONLY AFTER APPROXIMATELY 80-95% OF THE METALLIC COMPOUND HAS REACTED WITH THE ROSIN-CONTAINING POLYMER AND IN ADDING THE SAID CATALYST AT THE BOTTOM OF THE SAID REACTION MIXTURE.
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) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |