US2844557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyhalocarbon coating composition
Assignee: Individual
•
Filing: 1956-10-22
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Granted: 1958-07-22
•
Expires: 1976-10-22
Abstract
No abstract record available.
Inventors
- 👤 Pierre R Welch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:59
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/24; B05D7/26; C; C09; C09D; C09D127/00; C09D127/02; C09D127/12; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49705; Y10T428/00; Y10T428/31504; Y10T428/3154; Y10T428/31544
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
222 words
A COATING COMPOSITION COMPRISING A UNIFORM NONAQUEOUS-LIQUID DISPERSION OF PARTICLES OF A NORMALLY SOLID FUSIBLE POLYHALOCARBON RESIN OF ABOUT 0.1 TO ABOUT THREE MICRON SIZE, THE HALOCARBON MONOMER FROM WHICH SAID RESIN IS FORMED BEING A HALOGEN SUBSTITUTED LOW MOLECULAR WEIGHT HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF UNSATURATED ALIPHATIC AND UNSATURATED ALICYCLIC HYDROCARBONS IN WHICH THE HYDROGEN ATOMS ARE ENTIRELY SUBSTITUTED BY HALOGEN ATOMS, AT LEAST ONE OF WHICH IS FLUORINE AND AT LEAST ONE OF WHICH IS A HALOGEN OTHER THAN FLUORINE, SAID MONOMER HAVING AN ETHYLENIC BOND IN THE MOLECULE, AND A FILM FORMING SYNTHETIC EXTENDER RESIN OTHER THAN A POLYHALOCARBON RESIN, SAID EXTENDER RESIN WHEN APPLIED TO A SUBSTRATE AND UPON BEING HEATED TO THE TEMPERATURE AND FOR THE TIME NECESSARY TO FUSE THE POLYHALOCARBON RESIN, HAVING GOOD SPREADING AND FLOWOUT CHARACTERISTICS, FORMS A UNIFORM COHERENT FILM TENACEOUSLY ADHERING TO THE SUBSTRATE WITHOUT DECOMPOSING OR VOLATILIZING, THE DISPERSED POLYHALOCARBON RESIN PARTICLES BEING HOMOGENEOUSLY DISTRIBUTED THROUGHOUT SAID FILM, THE DISPERSING MEDIUM BEING A VOLATILE ORGANIC LIQUID SOLVENT FOR THE EXTENDER RESIN AND BEING PRESENT IN AN AMOUNT TO FORM A COMPATIBLE LIQUID DISPERSION OF SAID RESINS, THE POLYHALOCARBON RESIN COMPRISING ABOUT 5% TO ABOUT 70% BY WEIGHT AND THE EXTENDER RESIN COMPRISING ABOUT 95% TO ABOUT 30% BY WEIGHT OF THE TOTAL OF SAID RESIN COMPONENTS IN SAID COMPOSITION.
Claim 2
Dependent Claim
222 words
A COATING COMPOSITION COMPRISING A UNIFORM NONAQUEOUS-LIQUID DISPERSION OF PARTICLES OF A NORMALLY SOLID FUSIBLE POLYHALOCARBON RESIN OF ABOUT 0.1 TO ABOUT THREE MICRON SIZE, THE HALOCARBON MONOMER FROM WHICH SAID RESIN IS FORMED BEING A HALOGEN SUBSTITUTED LOW MOLECULAR WEIGHT HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF UNSATURATED ALIPHATIC AND UNSATURATED ALICYCLIC HYDROCARBONS IN WHICH THE HYDROGEN ATOMS ARE ENTIRELY SUBSTITUTED BY HALOGEN ATOMS, AT LEAST ONE OF WHICH IS FLUORINE AND AT LEAST ONE OF WHICH IS A HALOGEN OTHER THAN FLUORINE, SAID MONOMER HAVING AN ETHYLENIC BOND IN THE MOLECULE, AND A FILM FORMING SYNTHETIC EXTENDER RESIN OTHER THAN A POLYHALOCARBON RESIN, SAID EXTENDER RESIN WHEN APPLIED TO A SUBSTRATE AND UPON BEING HEATED TO THE TEMPERATURE AND FOR THE TIME NECESSARY TO FUSE THE POLYHALOCARBON RESIN, HAVING GOOD SPREADING AND FLOWOUT CHARACTERISTICS, FORMS A UNIFORM COHERENT FILM TENACEOUSLY ADHERING TO THE SUBSTRATE WITHOUT DECOMPOSING OR VOLATILIZING, THE DISPERSED POLYHALOCARBON RESIN PARTICLES BEING HOMOGENEOUSLY DISTRIBUTED THROUGHOUT SAID FILM, THE DISPERSING MEDIUM BEING A VOLATILE ORGANIC LIQUID SOLVENT FOR THE EXTENDER RESIN AND BEING PRESENT IN AN AMOUNT TO FORM A COMPATIBLE LIQUID DISPERSION OF SAID RESINS, THE POLYHALOCARBON RESIN COMPRISING ABOUT 5% TO ABOUT 70% BY WEIGHT AND THE EXTENDER RESIN COMPRISING ABOUT 95% TO ABOUT 30% BY WEIGHT OF THE TOTAL OF SAID RESIN COMPONENTS IN SAID COMPOSITION.
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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) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |