US2828236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Application of perfluorochloroolefin polymer coatings to base materials
Assignee: 3M Co
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Filing: 1954-12-30
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Granted: 1958-03-25
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Expires: 1974-12-30
Abstract
No abstract record available.
Inventors
- 👤 Fred W West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:46
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/50; B05D7/52; B05D7/54; B05D5/00; B05D5/08; B05D5/083; B32; B32B; B32B15/00; B32B15/04; B32B15/08; B32B27/00; B05D2202/00; B05D7/14; B05D7/148; Y; Y10; Y10S; Y10S138/00; Y10S138/03; Y10T; Y10T428/00; Y10T428/24; Y10T428/24149
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A METHOD FOR APPLYING A COATING COMPRISING A PERFLUOROCHLOROOLEFIN POLYMER TO A BASE MATERIAL WHICH COMPRISES INTERPOSING BETWEEN SAID COATING AND SAID BASE MATERIAL A FLUID LAYER WHICH COMPRISES THE CONDENSATION PRODUCT OF EPICHLOROHYDRIN AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF POLYHYDRIC ALCOHOLS AND POLYHYDRIC PHENOLS, SAID CONDENSATION PRODUCT HAVING A MELTING POINT OF AT LEAST 0*C. AND AN EPOXY EQUIVALENT OF AT LEAST 150.
Claim 2
Independent Claim
67 words
A METHOD FOR APPLYING A COATING COMPRISING A PERFLUOROCHLOROOLEFIN POLYMER TO A BASE MATERIAL WHICH COMPRISES INTERPOSING BETWEEN SAID COATING AND SAID BASE MATERIAL A FLUID LAYER WHICH COMPRISES THE CONDENSATION PRODUCT OF EPICHLOROHYDRIN AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF POLYHYDRIC ALCOHOLS AND POLYHYDRIC PHENOLS, SAID CONDENSATION PRODUCT HAVING A MELTING POINT OF AT LEAST 0*C. AND AN EPOXY EQUIVALENT OF AT LEAST 150.
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) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |