Patent US3179530A successfully refreshed from Google Patents.
US3179530A
Expired / Lapsed
US
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Catalyst systems for alkyd resins
Assignee: PPG Industries Inc
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Filing: 1961-04-26
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Granted: 1965-04-20
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Expires: 1981-04-26
Abstract
No abstract record available.
Inventors
- 👤 Erikson J Alden
- 👤 Bruce N Mcbane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:33
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08G; C08G63/00; C08G63/91; C08G63/914; C09; C09D; C09D167/00; C09D167/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
114 words
A METHOD OF PRODUCING AN AIR DRYING COATING MATERIAL WHICH COMPRISES ADMIXING WITH A COATING COMPOSITION IN WHICH THE VEHICLE IS AN ALKYD RESIN CONTAINING FROM ABOUT 30 PERCENT TO ABOUT 65 PERCENT BY WEIGHT BASED UPON THE RESIN OF COMBINED DRYING OIL ACIDS, SAID COATING COMPOSITION CONTAINING FROM ABOUT 0.1 PERCENT TO ABOUT 4 PERCENT BY WEIGHT BASED UPON THE RESIN OF A DRIER METAL IN THE FORM OF A SOAP OF A HIGHER CARBOXYLIC ACID: (A) FROM ABOUT 0.1 PERCENT TO ABOUT 8 PERCENT BY WEIGHT BASED UPON THE RESIN OF CUMENE HYDROPEROXIDE, AND (B) FROM ABOUT 0.005 PERCENT TO ABOUT 1 PERCENT BY WEIGHT BASED UPON THE RESIN OF 2,6-DITERTIARY-BUTYL4-METHYL PHENOL.
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) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |