US2590653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tall oil modified alkyd resins and process for preparing the same
Assignee: Wyeth Holdings LLC
•
Filing: 1949-04-16
•
Granted: 1952-03-25
•
Expires: 1969-04-16
Abstract
No abstract record available.
Inventors
- 👤 Alfred F Schmutzler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:03
CPC Classifications
C; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/14; C08; C08F; C08F220/00; C08F220/02; C08F220/42; C08F220/44; C08F242/00; C08F283/00; C08F283/01; C08F212/00; C08F212/02; C08F212/04; C08F212/06; C08F212/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A RESIN PREPARED BY HEAT REACTING 1%-25% BY WEIGHT OF MONOMERIC ACRYLONITRILE AND 2%34% BY WEIGHT OF MONOMERIC STYRENE WITH A TALLOIL MODIFIED ALKYD RESIN WHEREIN THE TOTAL AMOUNT OF SAID MONOMERS PRESENT VARIES BETWEEN 5%35% BY WEIGHT BASED ON THE TOTAL WEIGHT OF SAID RESIN.
Claim 2
Dependent Claim
46 words
A RESIN PREPARED BY HEAT REACTING 1%-25% BY WEIGHT OF MONOMERIC ACRYLONITRILE AND 2%34% BY WEIGHT OF MONOMERIC STYRENE WITH A TALLOIL MODIFIED ALKYD RESIN WHEREIN THE TOTAL AMOUNT OF SAID MONOMERS PRESENT VARIES BETWEEN 5%35% BY WEIGHT BASED ON THE TOTAL WEIGHT OF SAID RESIN.
References Cited (Backward Citations)
US2039243A
Cited
US2443735A
Cited
US2252399A
Cited
US2305224A
Cited
US2369689A
Cited
US2514389A
Cited
US2503772A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |