US2600802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasticization of perhalocarbon polymers
Assignee: MW Kellogg Co
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Filing: 1949-03-25
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Granted: 1952-06-17
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Expires: 1969-03-25
Abstract
No abstract record available.
Inventors
- 👤 Herbert J Passino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:02
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/12; C08L2205/00; C08L2205/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
77 words
A PROCESS FOR PLASTICIZING A NORMALLY SOLID PERHALOCARBON POLYMER WHICH COMPRISES ADMIXING POLYTRIFLUOROCHLOROETHYLENE OF LOWER MOLECULAR WEIGHT THAN SAID MORMALLY SOLID HALOGENATED POLYMER TO BE PLASTICIZED AND A MATERIAL SELECTED FROM THE GROUP CONSISTING OF TRIFLUOROCHLOROETHYLENE AND TRIFLUOROCHLOROETHYLENE AND ANOTHER HALOGENATED OLEFIN AND POLYMERIZING THE AFORESAID MATERIAL IN THE PRESENCE OF SAID POLYTRIFLUOROCHLOROETHYLENE WHICH IS A LIQUID UNDER THE CONDITIONS OF POLYMERIZATION UNDER CONDITIONS SUCH THAT A SOLID POLYMER OF MODIFIED MECHANICAL AND PHYSICAL CHARACTERISTICS IS PRODUCED.
References Cited (Backward Citations)
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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) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |