Patent US3274088A successfully refreshed from Google Patents.
US3274088A
Expired / Lapsed
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Surface treatment of polymeric shaped structures
Assignee: EIDP Inc
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Filing: 1961-07-27
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Granted: 1966-09-20
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Expires: 1981-07-27
Abstract
No abstract record available.
Inventors
- 👤 Leon E Wolinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:31
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/18; B; B29; B29C; B29C59/00; B29C59/10; B29C59/12; B29K; B29K2027/00; B29K2027/12; C08J2327/00; C08J2327/02; C08J2327/12; C08J2327/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A PROCESS FOR MODIFYING AND I,PROVING THE SURFACE CHARACTERISTICS OF SHAPED STRUCTURES OF FLUOROCARBON POLYMERS WHICH COMPRISES SUBJECTING THE SURFACE OF A SHAPED STRUCTURE OF A FLUOROCARBON POLYMER CONTAINING AT LEAST 5 MOLE PERCENT OF RECURRING STRUCTURAL UNITS HAVING THE FORMULA: -CH(-X2)-C(-F)(-X1)WHEREIN -X1 IS A MONOVALENT RADICAL SELECTED FROM THE GROUP CONSISTTING OF -H, -F, -CL AND -CF3; AND -X2 IS A MONOVLANET RADICAL SELECTED FROM THE GROUP CONSISTING OF -H, -F, -R1 AND R2, WHEREIN -R1 IS A RADICAL SELECTED FROM THE GROUP CONSISTING OF ARYL AND ALKYL RADICALS HAVING 1 TO 8 CARBON ATOMS AND -R2 IS A RADICAL SELECTED FROM THE GROUP CONSISTING OF RADICALS OF THE FORMULAE:
Claim 2
Dependent Claim
111 words
A PROCESS FOR MODIFYING AND I,PROVING THE SURFACE CHARACTERISTICS OF SHAPED STRUCTURES OF FLUOROCARBON POLYMERS WHICH COMPRISES SUBJECTING THE SURFACE OF A SHAPED STRUCTURE OF A FLUOROCARBON POLYMER CONTAINING AT LEAST 5 MOLE PERCENT OF RECURRING STRUCTURAL UNITS HAVING THE FORMULA: -CH(-X2)-C(-F)(-X1)WHEREIN -X1 IS A MONOVALENT RADICAL SELECTED FROM THE GROUP CONSISTTING OF -H, -F, -CL AND -CF3; AND -X2 IS A MONOVLANET RADICAL SELECTED FROM THE GROUP CONSISTING OF -H, -F, -R1 AND R2, WHEREIN -R1 IS A RADICAL SELECTED FROM THE GROUP CONSISTING OF ARYL AND ALKYL RADICALS HAVING 1 TO 8 CARBON ATOMS AND -R2 IS A RADICAL SELECTED FROM THE GROUP CONSISTING OF RADICALS OF THE FORMULAE:
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |