US3314892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of halohydrocarbons
Assignee: PPG Architectural Coatings Canada Inc
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Filing: 1961-09-18
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Granted: 1967-04-18
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Expires: 1981-09-18
Abstract
No abstract record available.
Inventors
- 👤 Graham George Whitlock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:09
CPC Classifications
C; C23; C23G; C23G5/00; C23G5/02; C23G5/028; C23G5/02854; C23G5/02883; C07; C07C; C07C17/00; C07C17/38; C07C17/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A DEGREASING SOLVENT SELECTED FROM THE GROUP CONSISTING OF TRICHLOROETHYLENE AND METHYL CHLOROFORM HAVING INCORPORATED THEREIN (1) BETWEEN 0.0005% AND 0.2% BY WEIGHT OF AT LEAST ONE AMINE SELECTED FROM THE GROUP CONSISTING OF TRIETHYLAMINE, DIMETYLANILINE AND DIISOPROPYLAMINE, (2) BETWEEN 0.01% AND 1.0% BY WEIGHT OF AT LEAST ONE VIC-EPOXY COMPOUND SELECTED FROM THE GROUP CONSISTING OF BUTYLENE OXIDE AND STYRENE OXIDE, AND (3) BETWEEN 0.0005% AND 0.2% BY WEIGHT OF AT LEAST ONE QUATERNARY AMMONIUM COMPOUND SELECTED FROM THE GROUP CONSISTING OF CETYL TRIMETYL-AMMONIUM BROMIDE, CETYL TRIMETHYL-AMMONIUM ACETATE AND COCO-TRIMETYLAMMONIUM HYDROXIDE.
Claim 2
Dependent Claim
92 words
A DEGREASING SOLVENT SELECTED FROM THE GROUP CONSISTING OF TRICHLOROETHYLENE AND METHYL CHLOROFORM HAVING INCORPORATED THEREIN (1) BETWEEN 0.0005% AND 0.2% BY WEIGHT OF AT LEAST ONE AMINE SELECTED FROM THE GROUP CONSISTING OF TRIETHYLAMINE, DIMETYLANILINE AND DIISOPROPYLAMINE, (2) BETWEEN 0.01% AND 1.0% BY WEIGHT OF AT LEAST ONE VIC-EPOXY COMPOUND SELECTED FROM THE GROUP CONSISTING OF BUTYLENE OXIDE AND STYRENE OXIDE, AND (3) BETWEEN 0.0005% AND 0.2% BY WEIGHT OF AT LEAST ONE QUATERNARY AMMONIUM COMPOUND SELECTED FROM THE GROUP CONSISTING OF CETYL TRIMETYL-AMMONIUM BROMIDE, CETYL TRIMETHYL-AMMONIUM ACETATE AND COCO-TRIMETYLAMMONIUM HYDROXIDE.
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) | 1970-04-17 | 1970-10-17 | 1971-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-17 | 1974-10-17 | 1975-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-17 | 1978-10-17 | 1979-04-18 | $7700.00 | Window Closed / Lapsed |