Patent US3190260A successfully refreshed from Google Patents.
Patent US5526480A successfully refreshed from Google Patents.
← Back to Patent Explorer
US4456548A Expired / Lapsed US ⏱️ 0.0 years remaining

Composition and method for making conductive polymers

Assignee: BP Corp North America Inc
•
Filing: 1982-10-15
•
Granted: 1984-06-26
•
Expires: 2002-10-15
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Disclosed is a composition comprising a doped solid resinous acrylonitrile polymer wherein said acrylonitrile polymer is selected from the group consisting of at least one condensed polyacrylonitrile and dehydrohalogenated polyalphahaloacrylonitrile and said polymer is doped with at least one reagent capable of forming charge-transfer complexes with said acrylonitrile polymer selected from the group consisting of Lewis acids and Lewis bases. Also disclosed are films of said polymer and a process for making said composition.

Inventors

  • 👤 David Lewis
  • 👤 Davida W. Kalina
  • 👤 Tsung-Ein Tsai

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 18:30
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/06; H01B1/12; H01B1/121; C; C08; C08K; C08K3/00; C08K3/01; C08K3/02

Claims Analysis

Total Claims: 16
Claim 1
Independent Claim 72 words
The composition prepared by the process which comprises contacting a modified polymer selected from the group consisting of condensed polyacrylonitrile, condensed substituted polyacrylonitrile, and dehydrohalogenated polyalphahaloacrylonitrile with at least one doping reagent capable of forming a charge-transfer complex with said polymer, wherein the doping reagent is selected from the group consisting of electron-acceptors and electron-donors and the amount of said doping reagent is effective to increase the electrical conductivity of said polymer.
Claim 2
Dependent Claim 72 words
The composition prepared by the process which comprises contacting a modified polymer selected from the group consisting of condensed polyacrylonitrile, condensed substituted polyacrylonitrile, and dehydrohalogenated polyalphahaloacrylonitrile with at least one doping reagent capable of forming a charge-transfer complex with said polymer, wherein the doping reagent is selected from the group consisting of electron-acceptors and electron-donors and the amount of said doping reagent is effective to increase the electrical conductivity of said polymer.
Claim 3
Dependent Claim 51 words
The composition as set forth in claim 1 wherein said doping reagent is selected from the group consisting of bromine, iodine, chlorine, IBr, ICl, AsF 5 , HBr, BF 3 , BCl 3 , SO 2 , SO 3 , transition metal complexes, Na, K, Ba, Li, Ca, Mg and Al.
Claim 4
Dependent Claim 26 words
The composition as set forth in claim 1 wherein said modified polymer is selected from the group consisting of condensed polyacrylonitrile, condensed polymethacrylonitrile, and dehydrohalogenated polyalphahaloacrylonitrile.
Claim 5
Dependent Claim 15 words
The composition as set forth in claim 3 wherein said modified polymer is dehydrochlorinated polyalphachloroacrylonitrile.
Claim 6
Dependent Claim 24 words
The composition as set forth in claim 3 wherein said doping reagent is selected from the group consisting of bromine, iodine and sodium naphthalide.
Claim 7
Dependent Claim 22 words
The composition as set forth in claim 3 wherein said doping reagent is selected from the group consisting of bromine and iodine.
Claim 8
Dependent Claim 43 words
The composition prepared by the process which comprises contacting a condensed polyacrylonitrile with a doping reagent selected from the group consisting of bromine and iodine wherein the amount of said doping reagent is effective to increase the electrical conductivity of said condensed polyacrylonitrile.
Claim 9
Dependent Claim 43 words
The composition prepared by the process which comprises contacting a condensed polyacrylonitrile with a doping reagent selected from the group consisting of bromine and iodine wherein the amount of said doping reagent is effective to increase the electrical conductivity of said condensed polyacrylonitrile.
Claim 10
Dependent Claim 77 words
A process for enhancing the electrical conductivity of an organic polymer which comprises contacting a modified polymer selected from the group consisting of condensed polyacrylonitrile, condensed substituted polyacrylonitrile, and dehydrohalogenated polyalphahaloacrylonitrile with at least one doping reagent capable of forming a charge-transfer complex with said polymer, wherein the doping reagent is selected from the group consisting of electron-acceptors and electron-donors and the amount of said doping reagent is effective to increase the electrical conductivity of said polymer.
Claim 11
Dependent Claim 77 words
A process for enhancing the electrical conductivity of an organic polymer which comprises contacting a modified polymer selected from the group consisting of condensed polyacrylonitrile, condensed substituted polyacrylonitrile, and dehydrohalogenated polyalphahaloacrylonitrile with at least one doping reagent capable of forming a charge-transfer complex with said polymer, wherein the doping reagent is selected from the group consisting of electron-acceptors and electron-donors and the amount of said doping reagent is effective to increase the electrical conductivity of said polymer.
Claim 12
Dependent Claim 51 words
The process as set forth in claim 8 wherein said doping reagent is selected from the group consisting of bromine, iodine, chlorine, IBr, ICl, AsF 5 , HBr, BF 3 , BCl 3 , SO 2 , SO 3 , transition metal complexes, Na, K, Ba, Li, Ca, Mg and Al.
Claim 13
Dependent Claim 26 words
The process as set forth in claim 8 wherein said modified polymer is selected from the group consisting of condensed polyacrylonitrile, condensed polymethacrylonitrile, and dehydrohalogenated polyalphahaloacrylonitrile.
Claim 14
Dependent Claim 15 words
The process as set forth in claim 10 wherein said modified polymer is dehydrochlorinated polyalphachloroacrylonitrile.
Claim 15
Dependent Claim 24 words
The process as set forth in claim 10 wherein said doping reagent is selected from the group consisting of bromine, iodine and sodium naphthalide.
Claim 16
Dependent Claim 22 words
The process as set forth in claim 10 wherein said doping reagent is selected from the group consisting of bromine and iodine.

References Cited (Backward Citations)

US2801982A Cited
US3253880A Cited
US3177169A Cited
US3488316A Cited
US4020223A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1987-06-26 1987-12-26 1988-06-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-06-26 1991-12-26 1992-06-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-06-26 1995-12-26 1996-06-26 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag