Patent US3742124A successfully refreshed from Google Patents.
Patent US2951783A successfully refreshed from Google Patents.
US2951783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymer of trifluorochloroethylene and preparation thereof
Assignee: 3M Co
•
Filing: 1956-10-25
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Granted: 1960-09-06
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Expires: 1976-10-25
Abstract
No abstract record available.
Inventors
- 👤 Billy F Landrum
- 👤 Jr Ralph L Herbst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:22
CPC Classifications
C; C08; C08F; C08F214/00; C08F214/18; C08F214/24; C08F214/245; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/3154; Y10T428/31544; Y10T442/00; Y10T442/20; Y10T442/2738
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A PROCESS FOR BONDING A HALOGENATED OLEFIN POLYMER SURFACE TO ANOTHER SURFACE THAT REMAINS SOLID AT 100*C. WHICH COMPRISES APPLYING TO AT LEAST ONE OF THE SURFACES A COATING COMPRISING A NORMALLY SOLID COPOLYMER OF TRIFLUOROCHLOROETHYLENE COMBINED WITH BETWEEN ABOUT 0.1 MOL PERCENT AND ABOUT 10 MOL PERCENT OF DIALLYL MALEATE, CONTACTING THE COATED SURFACE WITH THE SURFACE TO WHICH IT IS TO BE BONDED, MAINTAINING THE SURFACE IN CONTACT AT A TEMPERATURE OF AT LEAST 100*C. AND AT A PRESSURE OF AT LEAST 5 POUNDS PER SQUARE INCH.
Claim 2
Dependent Claim
89 words
A PROCESS FOR BONDING A HALOGENATED OLEFIN POLYMER SURFACE TO ANOTHER SURFACE THAT REMAINS SOLID AT 100*C. WHICH COMPRISES APPLYING TO AT LEAST ONE OF THE SURFACES A COATING COMPRISING A NORMALLY SOLID COPOLYMER OF TRIFLUOROCHLOROETHYLENE COMBINED WITH BETWEEN ABOUT 0.1 MOL PERCENT AND ABOUT 10 MOL PERCENT OF DIALLYL MALEATE, CONTACTING THE COATED SURFACE WITH THE SURFACE TO WHICH IT IS TO BE BONDED, MAINTAINING THE SURFACE IN CONTACT AT A TEMPERATURE OF AT LEAST 100*C. AND AT A PRESSURE OF AT LEAST 5 POUNDS PER SQUARE INCH.
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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) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |