Patent US3849459A successfully refreshed from Google Patents.
US3849459A
Expired / Lapsed
US
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Catalytic compounds and processes for their preparation
Assignee: McMaster University
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Filing: 1972-05-04
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Granted: 1974-11-19
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Expires: 1992-05-04
Abstract
Abstract 1. HYDRIDED COMPOUNDS OF RHODIUM OR IRIDIUM OR A MIXTURE OF RHODIUM AND IRIDUM HAVING THE GENERAL FORMULA (C5R5M)2HXL4-X.YHL WHERE C5 IS THE CYCLOPENTADIENYL RING, R5 ARE THE METHYL GROUP SUBSTITUENTS ATTACHED TO THE RING, M IS RHODIUM OR IRIDIUM OR A MIXTURE OF RHODIUM AND IRIDIUM, H IS HYDROGEN, L IS ANY ONE OF HALIDE, TRIFLUOROACETATE OR HEXAFLUOROPHOSPHATE, X IS ANY NUMBER FROM 1 TO 3, AND Y IS 0 TO 1.
Inventors
- 👤 J Kang
- 👤 D Gill
- 👤 P Maitlis
- 👤 C White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:22
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/02; B01J31/0234; B01J31/0235; B01J31/0237; B01J31/16; B01J31/22; B01J31/2282; B01J31/2295; C; C07; C07F; C07F15/00; C07F15/0006; C07F15/0033; C07F15/0073; B01J2231/00; B01J2231/60; B01J2231/64; B01J2231/641; B01J2231/645; B01J2531/00; B01J2531/02; B01J2531/0202; B01J2531/0205; B01J2531/80; B01J2531/82; B01J2531/822; B01J2531/827; B01J2540/00; B01J2540/20; B01J2540/22; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
HYDRIDED COMPOUNDS OF RHODIUM OR IRIDIUM OR A MIXTURE OF RHODIUM AND IRIDUM HAVING THE GENERAL FORMULA (C5R5M)2HXL4-X.YHL WHERE C5 IS THE CYCLOPENTADIENYL RING, R5 ARE THE METHYL GROUP SUBSTITUENTS ATTACHED TO THE RING, M IS RHODIUM OR IRIDIUM OR A MIXTURE OF RHODIUM AND IRIDIUM, H IS HYDROGEN, L IS ANY ONE OF HALIDE, TRIFLUOROACETATE OR HEXAFLUOROPHOSPHATE, X IS ANY NUMBER FROM 1 TO 3, AND Y IS 0 TO 1.
Claim 2
Dependent Claim
72 words
HYDRIDED COMPOUNDS OF RHODIUM OR IRIDIUM OR A MIXTURE OF RHODIUM AND IRIDUM HAVING THE GENERAL FORMULA (C5R5M)2HXL4-X.YHL WHERE C5 IS THE CYCLOPENTADIENYL RING, R5 ARE THE METHYL GROUP SUBSTITUENTS ATTACHED TO THE RING, M IS RHODIUM OR IRIDIUM OR A MIXTURE OF RHODIUM AND IRIDIUM, H IS HYDROGEN, L IS ANY ONE OF HALIDE, TRIFLUOROACETATE OR HEXAFLUOROPHOSPHATE, X IS ANY NUMBER FROM 1 TO 3, AND Y IS 0 TO 1.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-18 | 1978-05-20 | 1978-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-18 | 1982-05-20 | 1982-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-18 | 1986-05-20 | 1986-11-19 | $7700.00 | Window Closed / Lapsed |