Patent US2793200A successfully refreshed from Google Patents.
US2793200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cross-linking of polymers of fluoroolefins with amines
Assignee: MW Kellogg Co
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Filing: 1953-08-03
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Granted: 1957-05-21
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Expires: 1973-08-03
Abstract
No abstract record available.
Inventors
- 👤 West Fred William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:19
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08F; C08F8/00; C08F8/30; C08F8/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A CROSS-LINKED HALOGENATED POLYMER OF PERFLUOROCHLOROETHYLENE SELECTED FROM THE GROUP CONSISTING OF THE HOMOPOLYMERS OF PERFLUOROCHLOROETHYLENES WITH FLUOROETHYLENES, MERS OF PERFLUOROCHLOROETHYLENES WITH FLUOROETHYLENES, SAID POLYMER CONTAINING SATURATED HALOGENATED CARBON CHAINS CROSS-LINKED BY AN AMINE COMPOUND OF THE GROUP CONSISTING OF POLYALKTLENE POLYAMINES HAVING AT LEAST TWO PRIMARY AMINO GROUPS AND HAVING UP TO EIGHT CARBON ATOMS, PIPERAZINE, 1,5-NAPTHALENE DIAMINE, DIAMINOANISOLE, DIAMINOBENZOIC ACID, DIAMINO STILBENE, DIAMINOTRIPHENYLAMETHANE, TRIAMINOTRIPHENYLMETHANE, DIAMINOPHENOL, TETRANMINO-3,3-DIMETHYL-DIPHENYL-METHANE,DIAMINOBENZENE, TRIAMINOBENZENE, TRIAMINOBENZOIC ACID, TRIAMINOPHENOL, 1,2 - PROPYLENEDIAMINE, 1,2,3 - TRIAMINOPROPANE.
Claim 2
Dependent Claim
78 words
A CROSS-LINKED HALOGENATED POLYMER OF PERFLUOROCHLOROETHYLENE SELECTED FROM THE GROUP CONSISTING OF THE HOMOPOLYMERS OF PERFLUOROCHLOROETHYLENES WITH FLUOROETHYLENES, MERS OF PERFLUOROCHLOROETHYLENES WITH FLUOROETHYLENES, SAID POLYMER CONTAINING SATURATED HALOGENATED CARBON CHAINS CROSS-LINKED BY AN AMINE COMPOUND OF THE GROUP CONSISTING OF POLYALKTLENE POLYAMINES HAVING AT LEAST TWO PRIMARY AMINO GROUPS AND HAVING UP TO EIGHT CARBON ATOMS, PIPERAZINE, 1,5-NAPTHALENE DIAMINE, DIAMINOANISOLE, DIAMINOBENZOIC ACID, DIAMINO STILBENE, DIAMINOTRIPHENYLAMETHANE, TRIAMINOTRIPHENYLMETHANE, DIAMINOPHENOL, TETRANMINO-3,3-DIMETHYL-DIPHENYL-METHANE,DIAMINOBENZENE, TRIAMINOBENZENE, TRIAMINOBENZOIC ACID, TRIAMINOPHENOL, 1,2 - PROPYLENEDIAMINE, 1,2,3 - TRIAMINOPROPANE.
References Cited (Backward Citations)
US2451174A
Cited
US2514185A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-20 | 1960-11-19 | 1961-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-20 | 1964-11-19 | 1965-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-20 | 1968-11-19 | 1969-05-21 | $7700.00 | Window Closed / Lapsed |