US2580488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective composition for metal surfaces
Assignee: SC Johnson and Son Inc
•
Filing: 1949-01-05
•
Granted: 1952-01-01
•
Expires: 1969-01-05
Abstract
No abstract record available.
Inventors
- 👤 Henry L Vogl
- 👤 Stieber Anna Mae
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:05
CPC Classifications
C; C09; C09D; C09D129/00; C09D129/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A LIQUID PROTECTIVE COATING SOLUTION FOR METALS COMPRISING FROM 12 TO 35% BY WEIGHT OF THE SOLUTION OF A POLYMER OF A VINYL ETHER HAVING FROM 14 TO 24 CARBON ATOMS AND A RESIN, HAVING A SOFTENING POINT OF AT LEAST 85* C., SELECTED FROM THE GROUP CONSISTING OF POLYHYDRIC ALCOHOL ROSIN ESTERS, TERPENE RESINS, ROSIN-MODIFIED MALEIC ALKYD RESIN AND MIXTURES THEREOF, SAID ETHER AND SAID RESIN BEING PRESENT IN A RATIO OF FROM 1:3 TO 3:1 SAID ETHER AND SAID RESIN BEING COMPLETELY SOLUBLE AT A TEMPERATURE OF 21* C. IN A SOLVENT SELECTED FROM THE GROUP CONSISTING OF LIQUID HYDROCARBONS, LIQUID ETHERS, LIQUID CHLORINATED HYDROCARBONS AND MIXTURES THEREOF, SAID SOLVENT CONSTITUTING THE MAJOR PORTION BY WEIGHT OF THE COMPOSITION.
Claim 2
Dependent Claim
121 words
A LIQUID PROTECTIVE COATING SOLUTION FOR METALS COMPRISING FROM 12 TO 35% BY WEIGHT OF THE SOLUTION OF A POLYMER OF A VINYL ETHER HAVING FROM 14 TO 24 CARBON ATOMS AND A RESIN, HAVING A SOFTENING POINT OF AT LEAST 85* C., SELECTED FROM THE GROUP CONSISTING OF POLYHYDRIC ALCOHOL ROSIN ESTERS, TERPENE RESINS, ROSIN-MODIFIED MALEIC ALKYD RESIN AND MIXTURES THEREOF, SAID ETHER AND SAID RESIN BEING PRESENT IN A RATIO OF FROM 1:3 TO 3:1 SAID ETHER AND SAID RESIN BEING COMPLETELY SOLUBLE AT A TEMPERATURE OF 21* C. IN A SOLVENT SELECTED FROM THE GROUP CONSISTING OF LIQUID HYDROCARBONS, LIQUID ETHERS, LIQUID CHLORINATED HYDROCARBONS AND MIXTURES THEREOF, SAID SOLVENT CONSTITUTING THE MAJOR PORTION BY WEIGHT OF THE COMPOSITION.
References Cited (Backward Citations)
US845954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |