Patent US2499909A successfully refreshed from Google Patents.
US2598663A
Expired / Lapsed
US
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Copolymers of unsaturated alkyd resins and acrylamido compounds
Assignee: Wyeth Holdings LLC
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Filing: 1948-04-21
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Granted: 1952-06-03
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Expires: 1968-04-21
Abstract
No abstract record available.
Inventors
- 👤 Edward L Kropa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:21
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/52; C08F20/54; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31616; Y10T428/3162; Y10T442/00; Y10T442/30; Y10T442/3472; Y10T442/3528; Y10T442/3594
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
AS A NEW PRODUCT, A RESINOUS INTERPOLYMER OBTAINED BY POLYMERIZATION OF A PLURALITY OF COPOLYMERIZABLE MATERIALS COMPRISING A POLYMERIZABLE UNSATURATED ALKYD RESIN CONTAINING A PLURALITY OF POLYMERIZABLY REACTIVE ALPHA, BETAENAL GROUPS AND A COMPATIBLE MONOMERIC COPOLYMERIZABLE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE FOLLOWING GENERAL FORMULAE:
Claim 2
Dependent Claim
49 words
AS A NEW PRODUCT, A RESINOUS INTERPOLYMER OBTAINED BY POLYMERIZATION OF A PLURALITY OF COPOLYMERIZABLE MATERIALS COMPRISING A POLYMERIZABLE UNSATURATED ALKYD RESIN CONTAINING A PLURALITY OF POLYMERIZABLY REACTIVE ALPHA, BETAENAL GROUPS AND A COMPATIBLE MONOMERIC COPOLYMERIZABLE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE FOLLOWING GENERAL FORMULAE:
References Cited (Backward Citations)
GB467402A
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GB482897A
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US2407479A
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US2418633A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-03 | 1955-12-03 | 1956-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-03 | 1959-12-03 | 1960-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-03 | 1963-12-03 | 1964-06-03 | $7700.00 | Window Closed / Lapsed |