US2809122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual purpose tinting base
Assignee: Sherwin Williams Co
•
Filing: 1954-06-24
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Granted: 1957-10-08
•
Expires: 1974-06-24
Abstract
No abstract record available.
Inventors
- 👤 Victor M Willis
- 👤 Harvey T Gehring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:08
CPC Classifications
C; C09; C09D; C09D17/00; C09D17/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A TINTING BASE FOR USE IN DECORATIVE COATING WHICH COMPRISES IN COMBINATION FROM 35% TO 60% BY WEIGHT OF A WATER INSOLUBLE PIGMENT, FROM 5 TO 30% BY WEIGHT OF A NONIONIC SURFACE ACTIVE AGENT SELECTED FROM THE CLASS CONSISTING OF ALKYL POLYOXYALKYLENE ETHANOLS AND ALKYL PHENOXY POLYOXYALKYLENE ETHANOLS WHEREIN THE ALKYL GROUP IS A C4 TO C10 HYDROCARBON, THE POLYOXYALKYLENE GROUPS NUMBER FROM 8 TO 50 AND ARE IN TURN SELECTED FROM THE GROUP CONSISTING OF ETHYLENE AND PROPYLENE OXIDE ADDUCTS, AND FROM 15 TO 50% BY WEIGHT OF DIACETONE ALCOHOL.
Claim 2
Dependent Claim
92 words
A TINTING BASE FOR USE IN DECORATIVE COATING WHICH COMPRISES IN COMBINATION FROM 35% TO 60% BY WEIGHT OF A WATER INSOLUBLE PIGMENT, FROM 5 TO 30% BY WEIGHT OF A NONIONIC SURFACE ACTIVE AGENT SELECTED FROM THE CLASS CONSISTING OF ALKYL POLYOXYALKYLENE ETHANOLS AND ALKYL PHENOXY POLYOXYALKYLENE ETHANOLS WHEREIN THE ALKYL GROUP IS A C4 TO C10 HYDROCARBON, THE POLYOXYALKYLENE GROUPS NUMBER FROM 8 TO 50 AND ARE IN TURN SELECTED FROM THE GROUP CONSISTING OF ETHYLENE AND PROPYLENE OXIDE ADDUCTS, AND FROM 15 TO 50% BY WEIGHT OF DIACETONE ALCOHOL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |