US2618616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modified alkyd resins and composi
Assignee: —
•
Filing: —
•
Granted: 1952-11-18
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Expires: 1969-11-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:13
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/02; C08G12/26; C08G12/34; C08G63/00; C08G63/02; C08G63/12; C08G63/46
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
147 words
A RESINOUS REACTION PRODUCT OF A MIXTURE COMPRISING AN ACID COMPONENT OF THE GROUP CONSISTING OF POLYCARBOXYLIC ACIDS, POLYCARBOXYLIC ACID ANHYDRIDES, AND POLYCARBOXYLIC ACID HALIDES, AN ALCOHOL CONTAINING AT LEAST THREE ESTERIFIABLE HYDROXYL GROUPS, AND 25% TO 50% BY WEIGHT OF THE SAID ALKYD OF A MODIFYING AGENT CONSISTING OF AT LEAST ONE DRYING COMPONENT OF THE GROUP CONSISTING OF DRYING OILS, DRYING OIL FATTY ACIDS, MONOAND DIGLYCERIDES OF THE DRYING OIL FATTY ACIDS AND MONOHYDRIC ALCOHOL ESTERS OF THE DRYING OIL FATTY ACIDS, AND AT LEAST ONE AROMATIC MONCARBOXYLIC ACID WHEREIN ONE OF THE RING CARBON ATOMS IS JOINED TO A CARBOXYL GROUP AND A SINGLE OTHER RING CARBON ATOM IS JOINED TO A TERTIARY ALKYL RADICAL WHEREIN THE SAID TERTIARY ALKYL RADICALS CONTAIN FROM 4 TO 16 CARBON ATOMS, THE SAID AROMATIC ACID MAKING UP FROM 21% TO 38% BY WEIGHT OF THE MODIFYING AGENT.
References Cited (Backward Citations)
US2357526A
Cited
US2352810A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-18 | 1956-05-19 | 1956-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-18 | 1960-05-19 | 1960-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-18 | 1964-05-19 | 1964-11-18 | $7700.00 | Window Closed / Lapsed |