US2882242A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New catalyst composition
Assignee: MW Kellogg Co
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Filing: 1953-10-30
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Granted: 1959-04-14
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Expires: 1973-10-30
Abstract
No abstract record available.
Inventors
- 👤 Charles W Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:01
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/42; B; B01; B01J; B01J21/00; B01J21/02; B01J27/00; B01J27/06; B01J27/24; B01J31/00; B01J31/02; B01J31/0231
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A CATALYST COMPOSITION CONSISTING ESSENTIALLY OF A MIXTURE OF (A) AND (B) WHEREIN (A) IS SELECTED FROM THE GROUP CONSISTING OF METAL IODIDES, PHOSPHORUS IODIDES, LOWER ALKYL IODINES AND FREE IODINE, AND WHEREIN (B) IS A METAL INORGANIC PHOSPHOROUS TRIHALO COMPLEX COMPONENT HAVING THE FORMULA M(PX3)N IN WHICH M IS A METAL SELECTED FROM THE GROUP CONSISTING OF GROUP VI AND GROUP VII METALS, X IS HALOGEN AND N IS A NUMBER EQUAL TO AT LEAST TWICE THE MINIMUM VALENCE OF M, IN A MOL RATIO OF SAID (A) TO (B) OF BETWEEN ABOUT 1:100 AND ABOUT 1:1.
Claim 2
Dependent Claim
98 words
A CATALYST COMPOSITION CONSISTING ESSENTIALLY OF A MIXTURE OF (A) AND (B) WHEREIN (A) IS SELECTED FROM THE GROUP CONSISTING OF METAL IODIDES, PHOSPHORUS IODIDES, LOWER ALKYL IODINES AND FREE IODINE, AND WHEREIN (B) IS A METAL INORGANIC PHOSPHOROUS TRIHALO COMPLEX COMPONENT HAVING THE FORMULA M(PX3)N IN WHICH M IS A METAL SELECTED FROM THE GROUP CONSISTING OF GROUP VI AND GROUP VII METALS, X IS HALOGEN AND N IS A NUMBER EQUAL TO AT LEAST TWICE THE MINIMUM VALENCE OF M, IN A MOL RATIO OF SAID (A) TO (B) OF BETWEEN ABOUT 1:100 AND ABOUT 1:1.
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) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |