US2641586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thixotropic compositions
Assignee: General Electric Co
•
Filing: 1949-12-31
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Granted: 1953-06-09
•
Expires: 1969-12-31
Abstract
No abstract record available.
Inventors
- 👤 Birger W Nordlander
- 👤 John A Loritsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:09
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/34; C08K3/346
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A THIOXOTROPIC COMPOSITION COMPRISING (1) POLYMERIZABLE SOLVENTLESS VARNISH COMPRISING A LIQUID UNSATURATED ALKYLD RESIN OBTAINED BY THE ESTERIFICATION OF A MIXTURE OF INGREDIENTS COMPRISING A POLYHYDRIC ALCOHOL AND AN ALPHA UNSATURATED ALPHA, BETA POLYCARBOXYLIC ACID AND (2) A FILLER EFFECTIVE TO MAINTAIN SAID COMPOSITION IN THE FLUID STATE UNDER MECHANICAL AGITATION AND IN THE GEL STATE IN THE ABSENCE OF SUCH AGITATION COMPRISING A MATERIAL SELECTED FROM THE CLASS CONSISTING OF GEORGIA KAOLIN, CATALPA CLAY, BUCCA CLAY, KENTUCKY BALL CLAY, BENTONITE CLAY CONTAINING MORE THAN 0.3 PERCENT BY WEIGHT THEREOF MOISTURE, AND BENTONITE CLAY TREATED TO BRING THE PH OF THE LATTER TO THE ACID SIDE, THE AFORESAID FILLERS, WITH THE EXCEPTION OF THE BENTONITE FILLER, COMPRISING FROM 40 TO 60 PERCENT, BY WEIGHT, OF THE TOTAL WEIGHT OF THE SOLVENTLESS VARNISH AND THE FILLER, THE BENTONITE FILLER COMPRISING FROM 30.3 TO 60 PERCENT, BY WEIGHT, OF THE TOTAL WEIGHT OF THE BENTONITE AND SOLVENTLESS VARNISH.
Claim 2
Dependent Claim
156 words
A THIOXOTROPIC COMPOSITION COMPRISING (1) POLYMERIZABLE SOLVENTLESS VARNISH COMPRISING A LIQUID UNSATURATED ALKYLD RESIN OBTAINED BY THE ESTERIFICATION OF A MIXTURE OF INGREDIENTS COMPRISING A POLYHYDRIC ALCOHOL AND AN ALPHA UNSATURATED ALPHA, BETA POLYCARBOXYLIC ACID AND (2) A FILLER EFFECTIVE TO MAINTAIN SAID COMPOSITION IN THE FLUID STATE UNDER MECHANICAL AGITATION AND IN THE GEL STATE IN THE ABSENCE OF SUCH AGITATION COMPRISING A MATERIAL SELECTED FROM THE CLASS CONSISTING OF GEORGIA KAOLIN, CATALPA CLAY, BUCCA CLAY, KENTUCKY BALL CLAY, BENTONITE CLAY CONTAINING MORE THAN 0.3 PERCENT BY WEIGHT THEREOF MOISTURE, AND BENTONITE CLAY TREATED TO BRING THE PH OF THE LATTER TO THE ACID SIDE, THE AFORESAID FILLERS, WITH THE EXCEPTION OF THE BENTONITE FILLER, COMPRISING FROM 40 TO 60 PERCENT, BY WEIGHT, OF THE TOTAL WEIGHT OF THE SOLVENTLESS VARNISH AND THE FILLER, THE BENTONITE FILLER COMPRISING FROM 30.3 TO 60 PERCENT, BY WEIGHT, OF THE TOTAL WEIGHT OF THE BENTONITE AND SOLVENTLESS VARNISH.
References Cited (Backward Citations)
US1942757A
Cited
US2216514A
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US2443736A
Cited
US2482086A
Cited
US2557047A
Cited
US2549732A
Cited
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 |