US2537949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modified alkyd resins and coating compositions containing the same in admixture withreadily copolymerizable vinyl monomers
Assignee: Armstrong World Industries Inc
•
Filing: 1946-06-06
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Granted: 1951-01-16
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Expires: 1966-06-06
Abstract
No abstract record available.
Inventors
- 👤 Harold E Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:54
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/46; C08G63/48; C08G63/52; C08G63/66; C08G63/668; C08G63/676
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
THE PROCESS OF FORMING A COATING COMPOSITION WHICH COMPRISES, CONDENSING APPROXIMATELY 4.0 MOLES OF ROSIN WITH APPROXIMATELY 6.0 MOLES OF MALEIC ANHYDRIDE TO FORM A TRIBASIC ACID, ADDING APPROXIMATELY 2.0 MOLES OF LINSEED OIL FATTY ACIDS, APPROXIMATELY 6.4 MOLES OF DIETHYLENE GLYCCL AND APPROXIMATELY 2.0 MOLES OF GLYCERINE THERETO AND CAUSING A REACTION TO OCCUR, AND STOPPING THE REACTION BEFORE THE FORMATION OF A GEL.
Claim 2
Dependent Claim
65 words
THE PROCESS OF FORMING A COATING COMPOSITION WHICH COMPRISES, CONDENSING APPROXIMATELY 4.0 MOLES OF ROSIN WITH APPROXIMATELY 6.0 MOLES OF MALEIC ANHYDRIDE TO FORM A TRIBASIC ACID, ADDING APPROXIMATELY 2.0 MOLES OF LINSEED OIL FATTY ACIDS, APPROXIMATELY 6.4 MOLES OF DIETHYLENE GLYCCL AND APPROXIMATELY 2.0 MOLES OF GLYCERINE THERETO AND CAUSING A REACTION TO OCCUR, AND STOPPING THE REACTION BEFORE THE FORMATION OF A GEL.
References Cited (Backward Citations)
US1975959A
Cited
US2063542A
Cited
FR770203A
Cited
US2033133A
Cited
US2407479A
Cited
US2381486A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-15 | 1954-07-17 | 1955-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-15 | 1958-07-17 | 1959-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-15 | 1962-07-17 | 1963-01-16 | $7700.00 | Window Closed / Lapsed |