US2631137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thixotropic compositions
Assignee: General Electric Co
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Filing: 1949-12-31
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Granted: 1953-03-10
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Expires: 1969-12-31
Abstract
No abstract record available.
Inventors
- 👤 John A Loritsch
- 👤 Berdick Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:58
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/01; C08K3/013
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A THIXOTROPIC COMPOSITION COMPRISING (1) A POLYMERIZABLE FLUID COMPRISING A A LIQUID UNSATURATED ALKYD RESIN OBTAINED BY THE REACTION BETWEEN A POLYHYDRIC ALCOLHOL AND AN ALPHA UNSATURATED ALPHA, BETA POLYCARBOXYLIC ACID, (2) A FILLER SELECTED FROM THE CLASS CONSISTING OF CATALPO CLAY, DIATOMACEOUS EARTH, FLINT, SILICA, TALC, CHINA CLAY, TITANIUM DIOXIDE, BARYTES AND TRIPOLI, AND (3) FROM 0.49 TO 6 PERCENT, BY WEIGHT, BASED ON THE WEIGHT OF THE POLYMERIZABLE FLUID, OF A NONIONIC SURFACE ACTIVE AGENT CAPABLE OF WETTING BOTH THE RESINOUS AND FILLER COMPONENTS AND BEING SELECTED FROM THE CLASS CONSISTING OF (A) POLYMERIC ETHERS AND (B) POLYHYDRIC ALCOHOLS WITH SMALL AMOUNTS OF WATER, THE SAID FILLER COMPRISING, BY WEIGHT, FROM 10 TO 80 PERCENT OF THE TOTAL WEIGHT OF THE THIXOTROPIC COMPOSITION.
Claim 2
Dependent Claim
125 words
A THIXOTROPIC COMPOSITION COMPRISING (1) A POLYMERIZABLE FLUID COMPRISING A A LIQUID UNSATURATED ALKYD RESIN OBTAINED BY THE REACTION BETWEEN A POLYHYDRIC ALCOLHOL AND AN ALPHA UNSATURATED ALPHA, BETA POLYCARBOXYLIC ACID, (2) A FILLER SELECTED FROM THE CLASS CONSISTING OF CATALPO CLAY, DIATOMACEOUS EARTH, FLINT, SILICA, TALC, CHINA CLAY, TITANIUM DIOXIDE, BARYTES AND TRIPOLI, AND (3) FROM 0.49 TO 6 PERCENT, BY WEIGHT, BASED ON THE WEIGHT OF THE POLYMERIZABLE FLUID, OF A NONIONIC SURFACE ACTIVE AGENT CAPABLE OF WETTING BOTH THE RESINOUS AND FILLER COMPONENTS AND BEING SELECTED FROM THE CLASS CONSISTING OF (A) POLYMERIC ETHERS AND (B) POLYHYDRIC ALCOHOLS WITH SMALL AMOUNTS OF WATER, THE SAID FILLER COMPRISING, BY WEIGHT, FROM 10 TO 80 PERCENT OF THE TOTAL WEIGHT OF THE THIXOTROPIC COMPOSITION.
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) | 1956-03-09 | 1956-09-08 | 1957-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-09 | 1960-09-08 | 1961-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-09 | 1964-09-08 | 1965-03-10 | $7700.00 | Window Closed / Lapsed |