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US4017526A Expired / Lapsed US ⏱️ 0.0 years remaining

Metal complexes

Assignee: Studiengesellschaft Kohle gGmbH
•
Filing: 1975-04-30
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Granted: 1977-04-12
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Expires: 1995-04-30
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Abstract

Abstract Carbonyl-free complexes of nickel or cobalt with an olefinic compound which are useful as catalysts.

Inventors

  • 👤 Gunther Wilke
  • 👤 Ernst Willi Muller

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 07:13
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/16; B01J31/22; B01J31/2204; B01J31/2208; B01J31/2226; B01J31/223; B01J31/2234; B01J31/2282; B01J31/2291; B01J31/2295; B01J31/24; B01J31/2404; C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/38; C07C2/40; C07C2/403; C07C2/406; C07C2/42; C07C2/44; C07C2/46; C07C2/465; C07C2/50; C07C2/52; C07F; C07F15/00; C07F15/02; C07F15/025; C07F15/04; C07F15/045; C07F15/06; C07F15/065; C07F17/00; C07F9/00; C07F9/005; C07F9/02; C07F9/28; C07F9/50; C07F9/5045; B01J2531/00; B01J2531/80; B01J2531/84; B01J2531/845; B01J2531/847; C07C2531/00; C07C2531/16; C07C2531/22; C07C2531/24; C07C2601/00; C07C2601/12; C07C2601/16; C07C2601/18

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 22 words
As a novel complex compound, dicyclooctadiene-nickel of the formula (C 8 H 12 ) 2 Ni in the form of yellow crystals.
Claim 2
Dependent Claim 22 words
As a novel complex compound, dicyclooctadiene-nickel of the formula (C 8 H 12 ) 2 Ni in the form of yellow crystals.
Claim 3
Dependent Claim 23 words
As a novel complex compound, cyclooctatetraene-nickel of the formula C 8 H 8 Ni in the form of black-colored needles having metallic lustre.
Claim 4
Dependent Claim 23 words
As a novel complex compound, cyclooctatetraene-nickel of the formula C 8 H 8 Ni in the form of black-colored needles having metallic lustre.
Claim 5
Dependent Claim 13 words
As a novel complex compound, all-trans-cycle-dodeca-(1,5,9)-triene-centro-nickel in the form of pure red crystals.
Claim 6
Dependent Claim 13 words
As a novel complex compound, all-trans-cycle-dodeca-(1,5,9)-triene-centro-nickel in the form of pure red crystals.
Claim 7
Dependent Claim 22 words
As a novel complex compound, cyclooctadiene-nickel-acetylacetone of the formula C 13 H 20 O 2 Ni in the form of orange-colored crystals.
Claim 8
Dependent Claim 22 words
As a novel complex compound, cyclooctadiene-nickel-acetylacetone of the formula C 13 H 20 O 2 Ni in the form of orange-colored crystals.
Claim 9
Dependent Claim 22 words
As a novel complex compound, tris(stilbene) nickel of the formula Ni(C 14 H 12 ) 3 in the form of brown crystals.
Claim 10
Dependent Claim 22 words
As a novel complex compound, tris(stilbene) nickel of the formula Ni(C 14 H 12 ) 3 in the form of brown crystals.
Claim 11
Dependent Claim 40 words
As a novel complex compound, a member of the group consisting of cobalt cyclooctatetraene and cobalt bis(cyclooctatetraene) represented by the formula CO(C 8 H 8 ) x in the form of a dark-brown powder, wherein x is, respectively,1 or 2.
Claim 12
Dependent Claim 40 words
As a novel complex compound, a member of the group consisting of cobalt cyclooctatetraene and cobalt bis(cyclooctatetraene) represented by the formula CO(C 8 H 8 ) x in the form of a dark-brown powder, wherein x is, respectively,1 or 2.

References Cited (Backward Citations)

US2953586A Cited
US3328443A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-04-11 1980-10-11 1981-04-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-04-11 1984-10-11 1985-04-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-04-11 1988-10-11 1989-04-12 $7700.00 Window Closed / Lapsed

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