Patent US3070549A successfully refreshed from Google Patents.
US3070549A
Expired / Lapsed
US
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Polymerization catalysts
Assignee: ZIEGLER AG
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Filing: 1958-07-01
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Granted: 1962-12-25
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Expires: 1978-07-01
Abstract
No abstract record available.
Inventors
- 👤 Ziegler Karl
- 👤 Breil Heinz
- 👤 Holzkamp Erhard
- 👤 Martin Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:26
CPC Classifications
H; H01; H01J; H01J13/00; H01J13/02; H01J13/04; H01J13/06; H01J13/10; C; C08; C08F; C08F10/00; C08F110/00; C08F110/02; C08F36/00; C08F36/02; C08F6/00; C08F6/02; C10; C10M; C10M159/00; C10M159/12; C10M159/20; C10M159/22; D; D01; D01D; D01D1/00; D01D1/06; D01F; D01F6/00; D01F6/02; D01F6/04; H01B; H01B11/00; H01B11/18; H01B11/1834; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/441; H01B7/00; H01B7/14; H01B7/17; H01B7/28; F; F02; F02B; F02B3/00; F02B3/06; H01J2893/00; H01J2893/0072; H01J2893/0073; H01J2893/0074; H01J2893/0075; H01J2893/0078; Y; Y10; Y10S; Y10S526/00; Y10S526/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A POLYMERIZATION CATALYST COMPOSED OF A MIXTURE OF A FIRST AND SECOND COMPONENT, SAID FIRST COMPONENT BEING SUBSTANTIALLY COMPOSED OF A MEMBER OF THE GROUP CONSISTING OF THE ORGANO METAL ALKYL-, ARYL-, ARALKYL-, ALKYL ARYL-AND MIXED ALKYL AND ARYL COMPOUNDS OF MAGNESIUM AND ZINC AND THEIR MONOHALOGENO DERIVATIVES, AND SAID SECOND COMPONENT BEING A HEAVY METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE NON-IONIZED SALTS AND THE FRESHLY PRECIPITATED OXIDES AND HYDROXIDES OF METALS OF GROUPS IV-B, V-B AND VI-B OF THE PERIODIC SYSTEM INCLUDING THORIUM AND URANIUM.
Claim 2
Dependent Claim
89 words
A POLYMERIZATION CATALYST COMPOSED OF A MIXTURE OF A FIRST AND SECOND COMPONENT, SAID FIRST COMPONENT BEING SUBSTANTIALLY COMPOSED OF A MEMBER OF THE GROUP CONSISTING OF THE ORGANO METAL ALKYL-, ARYL-, ARALKYL-, ALKYL ARYL-AND MIXED ALKYL AND ARYL COMPOUNDS OF MAGNESIUM AND ZINC AND THEIR MONOHALOGENO DERIVATIVES, AND SAID SECOND COMPONENT BEING A HEAVY METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE NON-IONIZED SALTS AND THE FRESHLY PRECIPITATED OXIDES AND HYDROXIDES OF METALS OF GROUPS IV-B, V-B AND VI-B OF THE PERIODIC SYSTEM INCLUDING THORIUM AND URANIUM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |