Patent US3634273A successfully refreshed from Google Patents.
US3634273A
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Thickened chlorinated solvent compositions and method
Assignee: Armour Industrial Chemical Co
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Filing: 1968-01-10
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Granted: 1972-01-11
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Expires: 1988-01-10
Abstract
Abstract THICKENED SOLVENT COMPOSITIONS COMPRISING A CHLORINATED SOLVENT AND UREA PRODUCED BY THE IN SITU REACTION OF AN ALIPHATIC AMINE AND AN ISOCYANATE, AND METHOD OF VENTION PROVIDE THIXOTROPIC STRIPPING AND CLEANING COMPOSITIONS FOR USES SUCH AS DEGREASING NAD PAINT REMOVING. THICKENED FIRE EXTINGUISHER FLUIDS MAY BE FORMED ACCORDING TO THIS INVENTION. CHLORINATED SOLVENTS MAY BE THICKENED TO FORM SOLID COMPOSITIONS USEFUL AS CLEANING STICKS.
Inventors
- 👤 Byron E Marsh
- 👤 Layton E Kinney
- 👤 Roy J Betty Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:11
CPC Classifications
C; C23; C23G; C23G5/00; C23G5/02; C23G5/028; C23G5/02806; C09; C09D; C09D9/00; C09D9/005; C11; C11D; C11D7/00; C11D7/22; C11D7/32; C11D7/3272; C11D7/50; C11D7/5004; C11D7/5018
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-10 | 1975-07-12 | 1976-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-10 | 1979-07-12 | 1980-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-10 | 1983-07-12 | 1984-01-11 | $7700.00 | Window Closed / Lapsed |