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US2874142A Expired / Lapsed US ⏱️ 0.0 years remaining

Polytrifluorochloroethylene and barium peroxide

Assignee: 3M Co
•
Filing: 1955-04-20
•
Granted: 1959-02-17
•
Expires: 1975-04-20
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Abstract

No abstract record available.

Inventors

  • 👤 William E Hanford

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 18:15
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 71 words
A NOVEL PLASTIC COMPOSITION CONSISTING OF AN ADMIXTURE OF A POLYMER OF TRIFLUOROCHLOROETHYLENE SELECTED FROM THE GROUP CONSISTING OF THE HOMOPOLYMER OF TRIFLUOROCHLOROETHYLENE AND COPOLYMERS OF TRIFLUOROCHLOROETHYLENE AND VINYLIDENE FLUORIDE WHICH CONTAIN NOT MORE THAN 5 MOL PERCENT OF VINYLIDENE FLUORIDE AND BETWEEN ABOUT 0.05 AND ABOUT 20 PARTS OF BARIUM PEROXIDE PER 100 PARTS OF SAID POLYMER, SAID POLYMER BEING INERT TO CHEMICAL CROSS-LINKING IN THE PRESENCE OF BARIUM PEROXIDE.
Claim 2
Dependent Claim 71 words
A NOVEL PLASTIC COMPOSITION CONSISTING OF AN ADMIXTURE OF A POLYMER OF TRIFLUOROCHLOROETHYLENE SELECTED FROM THE GROUP CONSISTING OF THE HOMOPOLYMER OF TRIFLUOROCHLOROETHYLENE AND COPOLYMERS OF TRIFLUOROCHLOROETHYLENE AND VINYLIDENE FLUORIDE WHICH CONTAIN NOT MORE THAN 5 MOL PERCENT OF VINYLIDENE FLUORIDE AND BETWEEN ABOUT 0.05 AND ABOUT 20 PARTS OF BARIUM PEROXIDE PER 100 PARTS OF SAID POLYMER, SAID POLYMER BEING INERT TO CHEMICAL CROSS-LINKING IN THE PRESENCE OF BARIUM PEROXIDE.

References Cited (Backward Citations)

US2077429A Cited
US2493390A Cited
US2507142A Cited
US2563772A Cited
US2600202A Cited
US2643988A Cited
US2789960A Cited
US2789959A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-02-16 1962-08-18 1963-02-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-02-16 1966-08-18 1967-02-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-02-16 1970-08-18 1971-02-17 $7700.00 Window Closed / Lapsed

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