US2641587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thixotropic compositions
Assignee: General Electric Co
•
Filing: 1949-12-31
•
Granted: 1953-06-09
•
Expires: 1969-12-31
Abstract
No abstract record available.
Inventors
- 👤 Birger W Nordlander
- 👤 Robert E Burnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:38
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/34; C08K3/346
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A THIOXTROPIC COMPOSITION COMPRISING A POLYMERIZABLE LIQUID COMPRISING A LIQUID UNSATURATED ALKYD RESIN OBTAINED BY THE ESTERIFICATION OF A MIXTURE OF INGREDIENTS COMPRISING A POLYHYDRIC ALCOHOL AND AN ALPHA UNSATURATED ALPHA, BETA POLYCARBOXYLIC ACID AND A POLYMERIZABLE GLYCOL ESTER OF METHACRYLIC ACID AND A FILLER SELECTED FROM THE CLASS CONSISTING OF CATALPO CLAY, BUCCA CLAY, KENTUCKY BALL CLAY, GEORGIA KAOLIN AND BENTONITE, THE SAID FILLER COMPRISING, THE WEIGHT, FROM 35 TO 53 PERCENT OF THE TOTAL WEIGHT OF THE FILLER AND THE POLYMERIZABLE LIQUID, AND THE UNSATURATED ALKYL RESIN BEING PRESENT, BY WEIGHT, IN AN AMOUNT UP TO AT MOST ONE PART OF THE LATTER PER PART OF THE AFORESAID POLYMERIZABLE GLYCOL ESTER.
Claim 2
Dependent Claim
113 words
A THIOXTROPIC COMPOSITION COMPRISING A POLYMERIZABLE LIQUID COMPRISING A LIQUID UNSATURATED ALKYD RESIN OBTAINED BY THE ESTERIFICATION OF A MIXTURE OF INGREDIENTS COMPRISING A POLYHYDRIC ALCOHOL AND AN ALPHA UNSATURATED ALPHA, BETA POLYCARBOXYLIC ACID AND A POLYMERIZABLE GLYCOL ESTER OF METHACRYLIC ACID AND A FILLER SELECTED FROM THE CLASS CONSISTING OF CATALPO CLAY, BUCCA CLAY, KENTUCKY BALL CLAY, GEORGIA KAOLIN AND BENTONITE, THE SAID FILLER COMPRISING, THE WEIGHT, FROM 35 TO 53 PERCENT OF THE TOTAL WEIGHT OF THE FILLER AND THE POLYMERIZABLE LIQUID, AND THE UNSATURATED ALKYL RESIN BEING PRESENT, BY WEIGHT, IN AN AMOUNT UP TO AT MOST ONE PART OF THE LATTER PER PART OF THE AFORESAID POLYMERIZABLE GLYCOL ESTER.
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) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |