Patent US2984583A successfully refreshed from Google Patents.
US2984583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the coating of surfaces and objects
Assignee: Evonik Operations GmbH
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Filing: 1957-10-07
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Granted: 1961-05-16
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Expires: 1977-10-07
Abstract
No abstract record available.
Inventors
- 👤 Nagelschmidt Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:40
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/24; B05D7/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A PROCESS FOR COATING SURFACES WITH A COATING COMPRISING POLYCHLOROBUTADINE AND POLYVINYL CHLORIDE WHICH COMPRISES MASTICATING A MIXTURE OF UNVULCANIZED POLYCHLOROBUTADIENE AND POLYVINYL CHLORIDE AT APPROXIMATELY ROOM TEMPERATURE UNTIL A HOMOGENEOUS MIXTURE IS OBTAINED, DISSOLVING SUCH MASTICATED MIXTURE IN A VOLATILE SOLVENT, APPLYING A COATING OF SUCH SOLUTION TO THE SURFACE TO BE COATED AND PERMITTING THE SOLVENT TO EVAPORATE.
Claim 2
Dependent Claim
60 words
A PROCESS FOR COATING SURFACES WITH A COATING COMPRISING POLYCHLOROBUTADINE AND POLYVINYL CHLORIDE WHICH COMPRISES MASTICATING A MIXTURE OF UNVULCANIZED POLYCHLOROBUTADIENE AND POLYVINYL CHLORIDE AT APPROXIMATELY ROOM TEMPERATURE UNTIL A HOMOGENEOUS MIXTURE IS OBTAINED, DISSOLVING SUCH MASTICATED MIXTURE IN A VOLATILE SOLVENT, APPLYING A COATING OF SUCH SOLUTION TO THE SURFACE TO BE COATED AND PERMITTING THE SOLVENT TO EVAPORATE.
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) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |