US3264131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for fusion coating and materials used therein
Assignee: Polymer Corp
•
Filing: 1964-05-11
•
Granted: 1966-08-02
•
Expires: 1984-05-11
Abstract
No abstract record available.
Inventors
- 👤 Fritz J Nagel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:56
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/50; B05D7/52; B05D7/54; B05D7/546; B05D1/00; B05D1/18; B05D1/22; B05D1/24; B05D2451/00; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
IN A METHOD FOR APPLYING STRONGLY ADHERENT COATING LAYER OF PULVERULENT VINYL COATING COMPOSITION TO A SUBSTRATE IN HEAT FUSION COATING PROCESSES CONDUCTED AT TEMPERATURES GENERALLY IN EXCESS OF ABOUT 450*F. COMPRISING THE STEPS OF APPLYING TO THE SUBSTRATE A PRIMER FOR VINYLS COMPRISED OF HEAT REACTIVE SYNTHETIC RESINS CONTAINED IN A VOLATILE LIQUID CARRIER, WHICH PRIMER IS EFFECTIVE TO BOND SAID VINYL COATING COMPOSITION TO SAID SUBSTRATE; HEATING SAID SUBSTRATE TO ABOVE THE FUSION TEMPRATURE OF SAID VINYL COATING COMPOSITION; AND CONTACTING SAID HEATED AND PRIMED SUBSTRATE WITH SAID VINYL COATING COMPOSITION AND FUSING SAID COATING COMPOSITION INTO A CONTINUOUS LAYER OVER SAID SUBSTRATE; THE IMPROVEMENT COMPRISING USING AS THE PRIMER ONE THAT HAS A SOLIDS CONCENTRATION OF LESS THAN 12.5% BY WEIGHT AND FORMING A PRIMER LAYER THEREFROM OVER SAID SUBSTRATE THAT HAS A DRY FILM THICKNESS OF LESS THAN ABOUT 0.2 MIL.
Claim 2
Dependent Claim
145 words
IN A METHOD FOR APPLYING STRONGLY ADHERENT COATING LAYER OF PULVERULENT VINYL COATING COMPOSITION TO A SUBSTRATE IN HEAT FUSION COATING PROCESSES CONDUCTED AT TEMPERATURES GENERALLY IN EXCESS OF ABOUT 450*F. COMPRISING THE STEPS OF APPLYING TO THE SUBSTRATE A PRIMER FOR VINYLS COMPRISED OF HEAT REACTIVE SYNTHETIC RESINS CONTAINED IN A VOLATILE LIQUID CARRIER, WHICH PRIMER IS EFFECTIVE TO BOND SAID VINYL COATING COMPOSITION TO SAID SUBSTRATE; HEATING SAID SUBSTRATE TO ABOVE THE FUSION TEMPRATURE OF SAID VINYL COATING COMPOSITION; AND CONTACTING SAID HEATED AND PRIMED SUBSTRATE WITH SAID VINYL COATING COMPOSITION AND FUSING SAID COATING COMPOSITION INTO A CONTINUOUS LAYER OVER SAID SUBSTRATE; THE IMPROVEMENT COMPRISING USING AS THE PRIMER ONE THAT HAS A SOLIDS CONCENTRATION OF LESS THAN 12.5% BY WEIGHT AND FORMING A PRIMER LAYER THEREFROM OVER SAID SUBSTRATE THAT HAS A DRY FILM THICKNESS OF LESS THAN ABOUT 0.2 MIL.
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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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |