US3022194A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating compositions and method for applying same
Assignee: Union Carbide Corp
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Filing: 1960-03-07
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Granted: 1962-02-20
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Expires: 1980-03-07
Abstract
No abstract record available.
Inventors
- 👤 Walter K Vollmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:51
CPC Classifications
C; C09; C09D; C09D123/00; C09D123/02; C09D123/04; C09D123/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
144 words
THE METHOD OF COATING A METALLIC SURFACE WITH POLYETHYLENE WHICH INCLUDES THE STEPS OF APPLYING TO SAID METALLIC SURFACE AT A TEMPERATURE BETWEEN ABOUT 80* C. AND 150* C. A PRIMER COATING COMPOSITION CONSISTING ESSENTIALLY OF A NORMALLY SAID POLYETHYLENE DISSOLVED IN AN INERT ORGANIC SOLVENT THEREOF, AND A COPPER SOAP, SAID COPPER SOAP BEING A COPPER SALT OF A CARBOXYLIC ACID CONTAINING AT LEAST 8 CARBON ATOMS, AND SAID COPPER SOAP BEING PRESENT IN AN AMOUNT SUFFICIENT TO IMPART TO THE COMPOSITION FROM ABOUT 0.38 PERCENT TO ABOUT 0.152 PERCENT BY WEIGHT COPPER BASED ON THE WEIGHT OF THE POLYETHYLENE PRESENT, BAKING SAID COATING ON SAID SURFACE AT A TEMPERATURE BETWEEN ABOUT 200* C. AND 235* C. TO VOLTALILIZE THE SOLVENT AND OBTAIN GOOD ADHESION OF THE PRIMER COATING ON SAID SURFACE, AND THEREAFTER APPLYING A COATING OF POLYETHYLENE TO SAID PRIMER COATING.
References Cited (Backward Citations)
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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) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |