US2628208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating compositions
Assignee: Individual
•
Filing: 1951-06-18
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Granted: 1953-02-10
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Expires: 1971-06-18
Abstract
No abstract record available.
Inventors
- 👤 Serge A Loukomsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:41
CPC Classifications
C; C09; C09D; C09D5/00; C09D11/00; C09D11/02; C09D157/00; C09D7/00; C09D7/20; Y; Y10; Y10S; Y10S260/00; Y10S260/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
224 words
A COATING COMPOSITION FOR A NORMALLY SOLID HYDROCARBON POLYMER SURFACE CONSISTING ESSENTIALLY OF A MIXED SOLVENT MEDIUM HAVING A HIGHER BOILING FRACTION AND A LOWER BOILING FRACTION, A FIRST RESIN DISPERSED IN PARTICULATE FORM IN SAID MEDIUM, AND A SECOND RESIN IN SOLUTION IN SAID MEDIUM, SAID FIRST RESIN BEING COMPATIBLE WITH THE NORMALLY SOLID HYDROCARBON POLYMER SURFACE TO BE COATED, AND SOLUBLE IN THE HIGHER BOILING FRACTION OF SAID MEDIUM AT AN ELEVATED TEMPERATURE, SAID SECOND RESIN BEING INCOMPATIBLE WITH THE NORMALLY SOLID HYDROCARBON POLYMER SURFACE TO BE COATED, INSOLUBLE IN THE HIGHER BOILING FRACTION OF SAID MEDIUM AT ANY TEMPERATURE, AND SOLUBLE IN SAID MEDIUM AND IN THE LOWER BOILING FRACTION THEREOF AT A TEMPERATURE SUBSTANTIALLY BELOW THAT REQUISITE TO SOLUTION OF SAID FIRST RESIN INTHE HIGHER BOILING FRACTION OF SAID MEDIUM, THE BOILING POINT DIFFERENTIAL BETWEEN SAID HIGHER BOILING FRACTION AND SAID LOWER BOILING FRACTION OF THE SOLVENT MEDIUM BEING AT LEAST ABOUT 10 CENTIGRADE DEGREES, SAID FIRST RESIN BEING POLYETHYLENE HAVING A MOLECULAR WEIGHT OF AT LEAST 10,000 AND A PARTICLE SIZE OF ABOUT 0.2 TO ABOUT 5.0 MICRONS; SAID SECOND RESIN BEING SELECTED FROM THE GROUP CONSISTING OF THE OIL, FAT AND HYDROCARBON INSOLUBLE VINYL RESINS AND CHLORINATED RUBBER; THE WEIGHT RATIO OF SAID SECOND RESIN TO SAID FIRST RESIN FALLING WITHIN THE RANGE OF ABOUT 1:1.2 TO 1:5.
Claim 2
Dependent Claim
224 words
A COATING COMPOSITION FOR A NORMALLY SOLID HYDROCARBON POLYMER SURFACE CONSISTING ESSENTIALLY OF A MIXED SOLVENT MEDIUM HAVING A HIGHER BOILING FRACTION AND A LOWER BOILING FRACTION, A FIRST RESIN DISPERSED IN PARTICULATE FORM IN SAID MEDIUM, AND A SECOND RESIN IN SOLUTION IN SAID MEDIUM, SAID FIRST RESIN BEING COMPATIBLE WITH THE NORMALLY SOLID HYDROCARBON POLYMER SURFACE TO BE COATED, AND SOLUBLE IN THE HIGHER BOILING FRACTION OF SAID MEDIUM AT AN ELEVATED TEMPERATURE, SAID SECOND RESIN BEING INCOMPATIBLE WITH THE NORMALLY SOLID HYDROCARBON POLYMER SURFACE TO BE COATED, INSOLUBLE IN THE HIGHER BOILING FRACTION OF SAID MEDIUM AT ANY TEMPERATURE, AND SOLUBLE IN SAID MEDIUM AND IN THE LOWER BOILING FRACTION THEREOF AT A TEMPERATURE SUBSTANTIALLY BELOW THAT REQUISITE TO SOLUTION OF SAID FIRST RESIN INTHE HIGHER BOILING FRACTION OF SAID MEDIUM, THE BOILING POINT DIFFERENTIAL BETWEEN SAID HIGHER BOILING FRACTION AND SAID LOWER BOILING FRACTION OF THE SOLVENT MEDIUM BEING AT LEAST ABOUT 10 CENTIGRADE DEGREES, SAID FIRST RESIN BEING POLYETHYLENE HAVING A MOLECULAR WEIGHT OF AT LEAST 10,000 AND A PARTICLE SIZE OF ABOUT 0.2 TO ABOUT 5.0 MICRONS; SAID SECOND RESIN BEING SELECTED FROM THE GROUP CONSISTING OF THE OIL, FAT AND HYDROCARBON INSOLUBLE VINYL RESINS AND CHLORINATED RUBBER; THE WEIGHT RATIO OF SAID SECOND RESIN TO SAID FIRST RESIN FALLING WITHIN THE RANGE OF ABOUT 1:1.2 TO 1:5.
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) | 1956-02-10 | 1956-08-11 | 1957-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-10 | 1960-08-11 | 1961-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-10 | 1964-08-11 | 1965-02-10 | $7700.00 | Window Closed / Lapsed |