US4120882A
Expired / Lapsed
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Metal complexes
Assignee: Studiengesellschaft Kohle gGmbH
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Filing: 1977-05-18
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Granted: 1978-10-17
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Expires: 1997-05-18
Abstract
Abstract Complexes of nickel or cobalt with phosphine, phosphite, stilbene or arsine ligands, especially nickel-phosphine complexes, useful as catalysts.
Inventors
- 👤 Gunther Wilke
- 👤 Ernst Willi Muller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:18
CPC Classifications
C; C07; C07F; C07F15/00; C07F15/06; B; B01; B01J; B01J31/00; B01J31/02; B01J31/12; B01J31/122; B01J31/14; B01J31/143; B01J31/16; B01J31/18; B01J31/1845; B01J31/185; B01J31/1855; B01J31/1895; B01J31/22; B01J31/2204; B01J31/2208; B01J31/2226; B01J31/223; B01J31/2234; B01J31/2282; B01J31/2295; B01J31/24; B01J31/2404; C07C; C07C2/00; C07C2/02; C07C2/42; C07C2/44; C07C2/46; C07C2/465; C07C2/50; C07C2/52; C07F15/04; C07F9/00; C07F9/02; B01J2231/00; B01J2231/30; B01J2231/32; B01J2231/324; B01J2531/00; B01J2531/80; B01J2531/84; B01J2531/842; B01J2531/845; B01J2531/847; C07C2531/00; C07C2531/02; C07C2531/12; C07C2531/16; C07C2531/22; C07C2531/24; C07C2601/00; C07C2601/12; C07C2601/16; C07C2601/18; C07C2601/20
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
21 words
As a novel complex compound, Ni(P(C 6 H 5 ) 3 ) 4 comprising tetrakis(triphenylphosphine)nickel in the form of red-brown crystals.
Claim 2
Dependent Claim
21 words
As a novel complex compound, Ni(P(C 6 H 5 ) 3 ) 4 comprising tetrakis(triphenylphosphine)nickel in the form of red-brown crystals.
Claim 3
Dependent Claim
27 words
As a novel complex compound, C 8 H 12 Ni(P(C 6 H 5 ) 3 ) 2 in the form of red-brown crystals, predominantly comprising cyclooctadiene-nickel bis(triphenylphosphine).
Claim 4
Dependent Claim
27 words
As a novel complex compound, C 8 H 12 Ni(P(C 6 H 5 ) 3 ) 2 in the form of red-brown crystals, predominantly comprising cyclooctadiene-nickel bis(triphenylphosphine).
Claim 5
Dependent Claim
27 words
As a novel complex compound, C 14 H 12 Ni(P(C 6 H 5 ) 3 ) 2 comprising stilbene nickel bis(triphenylphosphine) in the form of dark-red crystals.
Claim 6
Dependent Claim
27 words
As a novel complex compound, C 14 H 12 Ni(P(C 6 H 5 ) 3 ) 2 comprising stilbene nickel bis(triphenylphosphine) in the form of dark-red crystals.
Claim 7
Dependent Claim
22 words
As a novel complex compound, Ni(P(NC 5 H 10 ) 3 ) 2 comprising nickel bis(tripiperidinephosphine) in the form of yellow crystals.
Claim 8
Dependent Claim
22 words
As a novel complex compound, Ni(P(NC 5 H 10 ) 3 ) 2 comprising nickel bis(tripiperidinephosphine) in the form of yellow crystals.
Claim 9
Dependent Claim
23 words
As a novel complex compound, Co(P(C 6 H 5 ) 3 ) 4 comprising tetrakis(triphenylphosphine) cobalt in the form of dark green crystals.
Claim 10
Dependent Claim
23 words
As a novel complex compound, Co(P(C 6 H 5 ) 3 ) 4 comprising tetrakis(triphenylphosphine) cobalt in the form of dark green crystals.
Claim 11
Dependent Claim
23 words
As a novel complex compound, Ni(Sb(C 6 H 5 ) 3 ) 4 comprising tetrakis stilbene nickel in the form of yellow-green crystals.
Claim 12
Dependent Claim
23 words
As a novel complex compound, Ni(Sb(C 6 H 5 ) 3 ) 4 comprising tetrakis stilbene nickel in the form of yellow-green crystals.
Claim 13
Dependent Claim
23 words
As a novel complex compound, Ni(As(C 6 H 5 ) 3 ) 4 comprising tetrakis arsine nickel in the form of yellow-brown crystals.
Claim 14
Dependent Claim
23 words
As a novel complex compound, Ni(As(C 6 H 5 ) 3 ) 4 comprising tetrakis arsine nickel in the form of yellow-brown crystals.
Claim 15
Dependent Claim
28 words
As a novel complex compound, Co(C 5 H 7 O 2 )(P(C 6 H 5 ) 3 ) 2 comprising cobalt(acetylacetonate)bis(triphenylphosphine) in the form of a turquoise-colored powder.
Claim 16
Dependent Claim
28 words
As a novel complex compound, Co(C 5 H 7 O 2 )(P(C 6 H 5 ) 3 ) 2 comprising cobalt(acetylacetonate)bis(triphenylphosphine) in the form of a turquoise-colored powder.
Claim 17
Dependent Claim
17 words
As a novel complex compound (CoD)Ni[P(OC 6 H 5 ) 3 ] 2 comprising cyclooctadiene nickel bis(triphenylphosphite).
Claim 18
Dependent Claim
17 words
As a novel complex compound (CoD)Ni[P(OC 6 H 5 ) 3 ] 2 comprising cyclooctadiene nickel bis(triphenylphosphite).
Claim 19
Dependent Claim
23 words
As a novel complex compound [(C 6 H 5 -o-C 6 H 4 O) 3 P] 2 NiCoD comprising, cyclooctadiene nickel bis[tri(ortho oxydiphenyl)phosphite].
Claim 20
Dependent Claim
23 words
As a novel complex compound [(C 6 H 5 -o-C 6 H 4 O) 3 P] 2 NiCoD comprising, cyclooctadiene nickel bis[tri(ortho oxydiphenyl)phosphite].
Claim 21
Dependent Claim
19 words
As a novel complex compound, C 8 H 12 NiP(C 6 H 5 ) 3 comprising octadienediyl nickel (triphenylphosphine).
Claim 22
Dependent Claim
19 words
As a novel complex compound, C 8 H 12 NiP(C 6 H 5 ) 3 comprising octadienediyl nickel (triphenylphosphine).
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) | 1981-10-16 | 1982-04-17 | 1982-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-10-16 | 1986-04-17 | 1986-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-10-16 | 1990-04-17 | 1990-10-17 | $7700.00 | Window Closed / Lapsed |