Patent US3284329A successfully refreshed from Google Patents.
US3284329A
Expired / Lapsed
US
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Novel process for the production of catalyst components
Assignee: Cabot Corp
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Filing: 1963-01-21
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Granted: 1966-11-08
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Expires: 1983-01-21
Abstract
No abstract record available.
Inventors
- 👤 Victor D Aftandilian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:57
CPC Classifications
B; B01; B01J; B01J37/00; B01J37/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A NOVEL PROCESS FOR PRODUCING A POLYMERIZATION CATALYST COMPONENT COMPRISING A FINELY-DIVIDED INORGANIC SOLID CARRYING IN CHEMICAL COMBINATION SURFACE STRUCTURES CHOSEN FROM THE GROUP CONSISTING OF: T(-X)4, T(-X)3, T(-X)2, T-X WHERE T IS A METAL CHOSEN FROM THE GROUP CONSISTING OF THE MEALS OF GROUPS IVA, VA AND VIA; EACH X IS ANY HALOGEN; AND WHERE SAID STRUCTURES ARE CHEMICALLY LINKED DIRECTLY FROM T TO AT LEAST ONE OXYGEN ATOM ON THE SURFACE OF SAID SOLID, AND WHERE T IS IN A LOWER VALENCY STATE, WHICH PROCESS COMPRISES EXPOSING TO ULTRAVIOLET LIGHT A FINELY-DIVIDED INORGANIC SOLID CARRYING IN CHEMICAL COMBINATION SURFACE STRUCTURS CHOSEN FROM THE GROUP CONSISTING OF T(-X)5, T(-X)4, T(-X)3, T(-X)2 WHERE T IS A METAL CHOSEN FROM THE GROUP CONSISTING THE METALS OF GROUP IVA, VA AND VIA; EACH X IS AN HALOGEN; AND WHERE SAID STRUCTURES ARE CHEMICALLY LINKED DIRECTLY FROM T TO AT LEAST ONE OXYGEN ATOM ON THE SURFACE OF SAID SOLID.
Claim 2
Dependent Claim
157 words
A NOVEL PROCESS FOR PRODUCING A POLYMERIZATION CATALYST COMPONENT COMPRISING A FINELY-DIVIDED INORGANIC SOLID CARRYING IN CHEMICAL COMBINATION SURFACE STRUCTURES CHOSEN FROM THE GROUP CONSISTING OF: T(-X)4, T(-X)3, T(-X)2, T-X WHERE T IS A METAL CHOSEN FROM THE GROUP CONSISTING OF THE MEALS OF GROUPS IVA, VA AND VIA; EACH X IS ANY HALOGEN; AND WHERE SAID STRUCTURES ARE CHEMICALLY LINKED DIRECTLY FROM T TO AT LEAST ONE OXYGEN ATOM ON THE SURFACE OF SAID SOLID, AND WHERE T IS IN A LOWER VALENCY STATE, WHICH PROCESS COMPRISES EXPOSING TO ULTRAVIOLET LIGHT A FINELY-DIVIDED INORGANIC SOLID CARRYING IN CHEMICAL COMBINATION SURFACE STRUCTURS CHOSEN FROM THE GROUP CONSISTING OF T(-X)5, T(-X)4, T(-X)3, T(-X)2 WHERE T IS A METAL CHOSEN FROM THE GROUP CONSISTING THE METALS OF GROUP IVA, VA AND VIA; EACH X IS AN HALOGEN; AND WHERE SAID STRUCTURES ARE CHEMICALLY LINKED DIRECTLY FROM T TO AT LEAST ONE OXYGEN ATOM ON THE SURFACE OF SAID SOLID.
References Cited (Backward Citations)
US3127334A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |