US2536018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating compositions
Assignee: Individual
•
Filing: 1948-06-16
•
Granted: 1951-01-02
•
Expires: 1968-06-16
Abstract
No abstract record available.
Inventors
- 👤 Schoenholz Daniel
- 👤 Terry Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:45
CPC Classifications
B; B41; B41M; B41M7/00; B41M7/0027; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24851; Y10T428/24868; Y10T428/24876
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
223 words
A COATING COMPOSITION SUITABLE FOR FINISHING PAPER MADE BY ADMIXING AN AQUEOUS DISPERSION OF POLYVINYL ACETATE RESIN HAVING A VISCOSITY WITHIN THE RANGE FROM ABOUT 21 TO ABOUT 100 CENTIPOISES IN WHICH THE RESIN HAS AN AVERAGE PARTICLE SIZE NOT GREATER THAN ABOUT 6 MICRON, SAID DISPERSION CONTAINING ORGANIC HYDROPHILIC COLLOID IN AMOUNTS FROM ABOUT .5 TO ABOUT 3 PARTS TO 100 PARTS OF THE RESIN, SURFACE ACTIVE AGENT SELECTED FROM THE GROUP CONSISTING OF ANIONIC, NON-IONIC, MIXTURES OF NON-IONIC AND CATIONIC AND MIXTURES OF NON-IONIC, ANIONIC AND CATIONIC IN WHICH THE ANIONIC OR CATIONIC AGENT IS PRESENT IN DEFINITE EXCESS OF ITS STOICHIOMETRIC COMBINING WEIGHT, THE SURFACE ACTIVE AGENT BEING PRESENT IN AMOUNT FROM ABOUT .1 TO ABOUT .5 PART OF THE DISPERSION, AND AN AQUEOUS DISPERSION OF WAX HAVING A PARTICLE SIZE NOT GREATER THAN ABOUT .6 MICRON, THE CONCENTRATION OF THE CONSTITUENTS BEING SUCH THAT IN THE FINAL DISPERSION THE WAX DISPERSION SOLIDS RANGE FROM ABOUT 4 TO ABOUT 20 PARTS OF WHICH ABOUT 80 TO ABOUT 90% IS WAX, SURFACE ACTIVE AGENT RANGES FROM ABOUT 0.8 TO ABOUT 8 PARTS, AND THE POLYVINYL ACETATE RESIN MAKES UP THE TOTAL OF 100 PARTS, THE PARTS BEING EXPRESSED IN PARTS OF NONVOLATILE SOLIDS PER 100 PARTS OF TOTAL NON-VOLATILE SOLIDS IN THE FINAL COMPOSITION RUNNING FROM ABOUT 12% TO ABOUT 90%.
Claim 2
Dependent Claim
223 words
A COATING COMPOSITION SUITABLE FOR FINISHING PAPER MADE BY ADMIXING AN AQUEOUS DISPERSION OF POLYVINYL ACETATE RESIN HAVING A VISCOSITY WITHIN THE RANGE FROM ABOUT 21 TO ABOUT 100 CENTIPOISES IN WHICH THE RESIN HAS AN AVERAGE PARTICLE SIZE NOT GREATER THAN ABOUT 6 MICRON, SAID DISPERSION CONTAINING ORGANIC HYDROPHILIC COLLOID IN AMOUNTS FROM ABOUT .5 TO ABOUT 3 PARTS TO 100 PARTS OF THE RESIN, SURFACE ACTIVE AGENT SELECTED FROM THE GROUP CONSISTING OF ANIONIC, NON-IONIC, MIXTURES OF NON-IONIC AND CATIONIC AND MIXTURES OF NON-IONIC, ANIONIC AND CATIONIC IN WHICH THE ANIONIC OR CATIONIC AGENT IS PRESENT IN DEFINITE EXCESS OF ITS STOICHIOMETRIC COMBINING WEIGHT, THE SURFACE ACTIVE AGENT BEING PRESENT IN AMOUNT FROM ABOUT .1 TO ABOUT .5 PART OF THE DISPERSION, AND AN AQUEOUS DISPERSION OF WAX HAVING A PARTICLE SIZE NOT GREATER THAN ABOUT .6 MICRON, THE CONCENTRATION OF THE CONSTITUENTS BEING SUCH THAT IN THE FINAL DISPERSION THE WAX DISPERSION SOLIDS RANGE FROM ABOUT 4 TO ABOUT 20 PARTS OF WHICH ABOUT 80 TO ABOUT 90% IS WAX, SURFACE ACTIVE AGENT RANGES FROM ABOUT 0.8 TO ABOUT 8 PARTS, AND THE POLYVINYL ACETATE RESIN MAKES UP THE TOTAL OF 100 PARTS, THE PARTS BEING EXPRESSED IN PARTS OF NONVOLATILE SOLIDS PER 100 PARTS OF TOTAL NON-VOLATILE SOLIDS IN THE FINAL COMPOSITION RUNNING FROM ABOUT 12% TO ABOUT 90%.
References Cited (Backward Citations)
US2413197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |