US4933052A
Expired / Lapsed
US
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Process for the preparation of continuous bilayer electronically-conductive polymer films
Assignee: University of Victoria
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Filing: 1988-10-03
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Granted: 1990-06-12
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Expires: 2008-10-03
Abstract
Abstract A process is provided for the preparation of an article having a continuous metal substrate, and a coherent continuous coating thereon of a bilayer electronically-conductive continuous film comprising a continuous film of a polycarbazole on a continuous polypyrrole substrate, said process comprising: electrodepositing a continuous film of a polycarbazole on a continuous metal anode having a continuous film of a polypyrrole substrate thereon.
Inventors
- 👤 Robert N. O'Brien
- 👤 Kalathur S. V. Santhanam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:02
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/06; H01B1/12; H01B1/124; H01B1/127; B; B01; B01D; B01D71/00; B01D71/06; B01D71/72; C; C08; C08G; C08G61/00; C08G61/12; C08G61/121
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
64 words
A process for the preparation of an article having a continuous metal substrate, and a coherent continuous coating thereon of a bilayer, electronically-conductive, continuous film comprising a continuous film of a polycarbazole on a continuous film of a polypyrrole substrate, said process comprising: electrodepositing a continuous film of said polycarbazole on a continuous metal anode having a continuous film of said polypyrrole substrate thereon.
Claim 2
Dependent Claim
64 words
A process for the preparation of an article having a continuous metal substrate, and a coherent continuous coating thereon of a bilayer, electronically-conductive, continuous film comprising a continuous film of a polycarbazole on a continuous film of a polypyrrole substrate, said process comprising: electrodepositing a continuous film of said polycarbazole on a continuous metal anode having a continuous film of said polypyrrole substrate thereon.
Claim 3
Dependent Claim
30 words
The process of claim 1 further comprising the step of absorbing a catalyst onto said polycarbazole layer of said continuous film to provide an electronically-conductive, continuous film with catalytic properties.
Claim 4
Dependent Claim
11 words
The process of claim 2 wherein said catalyst is iron phthalocyanine.
Claim 5
Dependent Claim
28 words
The process of claim 1 wherein said electrodeposition is conducted by galvanostatic electrolysis in an aprotic solvent containing an electrolyte which is soluble in said selected aprotic solvent.
Claim 6
Dependent Claim
31 words
The process of claim 4 wherein said continuous metal anode is prepared by galvanostatic electrolysis of pyrrole in an aprotic solvent containing electrolyte which is soluble in said selected aprotic solvent.
Claim 7
Dependent Claim
12 words
The process of claim 5 wherein said aprotic solvent is N,N-dimethyl formamide.
Claim 8
Dependent Claim
12 words
The process of claim 5 wherein said electrolyte is tetra-n-butyl ammonium perchlorate.
Claim 9
Dependent Claim
20 words
The process of claim 5 wherein said aprotic solvent is N,N-dimethyl formamide and wherein said electrolyte is tetra-n-butyl ammonium perchlorate.
Claim 10
Dependent Claim
12 words
The process of claim 4 wherein said aprotic solvent is N,N-dimethyl formamide.
Claim 11
Dependent Claim
32 words
The process of claim 4 wherein said continuous metal anode is prepared by pulsed electrolysis of pyrrole in an aprotic solvent containing an electrolyte which is soluble in said selected aprotic solvent.
Claim 12
Dependent Claim
12 words
The process of claim 10 wherein said aprotic solvent is N,N-dimethyl formamide.
Claim 13
Dependent Claim
12 words
The process of claim 10 wherein said electrolyte is tetra-n-butyl ammonium perchlorate.
Claim 14
Dependent Claim
20 words
The process of claim 10 wherein said aprotic solvent is N,N-dimethyl formamide and wherein said electrolyte is tetra-n-butyl ammonium perchlorate.
Claim 15
Dependent Claim
20 words
The process of claim 4 wherein said aprotic solvent is N,N-dimethyl formamide and wherein said electrolyte is tetra-n-butyl ammonium perchlorate.
Claim 16
Dependent Claim
12 words
The process of claim 4 wherein said electrolyte is tetra-n-butyl ammonium perchlorate.
Claim 17
Dependent Claim
31 words
The process of claim 4 further comprising the step of absorbing a catalyst onto said polycarbazole layer of said continuous film to provide an electronically conductive, continuous film with catalytic properties.
Claim 18
Dependent Claim
11 words
The process of claim 16 wherein said catalyst is iron phthalocyanine.
Claim 19
Dependent Claim
28 words
The process of claim 1 wherein said electrodeposition is conducted by pulsed electrolysis in an aprotic solvent containing an electrolyte which is soluble in said selected aprotic solvent.
Claim 20
Dependent Claim
12 words
The process of claim 18 wherein said aprotic solvent is N,N-dimethyl formamide.
Claim 21
Dependent Claim
31 words
The process of claim 18 further comprising the step of absorbing a catalyst onto said polycarbazole layer of said continuous film to provide an electronically conductive, continuous film with catalytic properties.
Claim 22
Dependent Claim
12 words
The process of claim 18 wherein said electrolyte is tetra-n-butyl ammonium perchlorate.
Claim 23
Dependent Claim
32 words
The process of claim 18 wherein said continuous metal anode is prepared by galvanostatic electrolysis of pyrrole in an aprotic solvent containing an electrolyte which is soluble in said selected aprotic solvent.
Claim 24
Dependent Claim
12 words
The process of claim 22 wherein said aprotic solvent is N,N-dimethyl formamide.
Claim 25
Dependent Claim
12 words
The process of claim 22 wherein said electrolyte is tetra-n-butyl ammonium perchlorate.
Claim 26
Dependent Claim
20 words
The process of claim 22 wherein said aprotic solvent is N,N-dimethyl formamide and wherein said electrolyte is tetra-n-butyl ammonium perchlorate.
Claim 27
Dependent Claim
32 words
The process of claim 18 wherein said continuous metal anode is prepared by pulsed electrolysis of pyrrole in an aprotic solvent containing an electrolyte which is soluble in said selected aprotic solvent.
Claim 28
Dependent Claim
12 words
The process of claim 26 wherein said aprotic solvent is N,N-dimethyl formamide.
Claim 29
Dependent Claim
12 words
The process of claim 26 wherein said electrolyte is tetra-n-butyl ammonium perchlorate.
Claim 30
Dependent Claim
20 words
The process of claim 26 wherein said aprotic solvent is N,N-dimethyl formamide and wherein said electrolyte is tetra-n-butyl ammonium perchlorate.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-06-11 | 1993-12-11 | 1994-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-06-11 | 1997-12-11 | 1998-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-06-11 | 2001-12-11 | 2002-06-12 | $7700.00 | Window Closed / Lapsed |