Patent US5444288A successfully refreshed from Google Patents.
Patent US4568485A successfully refreshed from Google Patents.
US4568485A
Expired / Lapsed
US
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Organic polymers containing TCNQ complexes and stabilized against the emission of HCN
Assignee: Bayer AG
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Filing: 1984-09-17
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Granted: 1986-02-04
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Expires: 2004-09-17
Abstract
Abstract The invention relates to plastics materials of high electrical conductivity containing TCNQ complexes and stabilized against the emission of HCN and to mouldings, films and coatings of such materials, as well as to the use of the plastics material for the production of antistatic foils and coatings onto substrates.
Inventors
- 👤 Friedrich Jonas
- 👤 Jurgen Hocker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:12
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/06; H01B1/12; H01B1/121; C; C08; C08K; C08K3/00; C08K3/10; C08K5/00; C08K5/04; C08K5/09; C08K5/098; C08K5/16; C08K5/315; C09; C09D; C09D5/00; C09D5/24; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/16; Y10S524/00; Y10S524/91; Y10S524/911; Y10S524/912; Y10S524/913; Y10T; Y10T428/00; Y10T428/31504
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
48 words
A composition which comprises: (a) a plastic material (b) a charge transfer complex of tetracyanoquinodimethane, and (c) an effective amount of a metal cation to stabilize the composition against the emission of HCN wherein said metal cation is Cu(II), Cu(I), Zn(II), Pd(II), Ag(I), Cd(II), Pt(II), Au(III) or Hg(II).
Claim 2
Dependent Claim
48 words
A composition which comprises: (a) a plastic material (b) a charge transfer complex of tetracyanoquinodimethane, and (c) an effective amount of a metal cation to stabilize the composition against the emission of HCN wherein said metal cation is Cu(II), Cu(I), Zn(II), Pd(II), Ag(I), Cd(II), Pt(II), Au(III) or Hg(II).
Claim 3
Dependent Claim
44 words
A plastics material as claimed in claim 1 wherein the anion associated with said metal cation is an acetate anion, 2-ethylhexanoate anion, stearate anion, benzoate anion, F.sup.⊖, Cl.sup.⊖, Br.sup.⊖, I.sup.⊖, ClO 4 .sup.⊖, nitrate, sulfate, phosphate, acetyl acetonate, acetoacetate, salicylate or ethylene diamine tetracetate.
Claim 4
Dependent Claim
28 words
A plastics material as claimed in claim 1 or 2, comprising from 0.005 to 5 moles of the stabilizing metal cation per mole of said charge tansfer complex.
Claim 5
Dependent Claim
14 words
Antistatic films and extrusions comprising a plastics material according to claim 1 or 2.
Claim 6
Dependent Claim
16 words
An antistatic coating on a substrate comprising a plastics material according to claim 1 or 2.
Claim 7
Dependent Claim
13 words
An antistatic foil comprising a plastics material according to claim 1 or 2.
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) | 1989-02-03 | 1989-08-05 | 1990-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-02-03 | 1993-08-05 | 1994-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-02-03 | 1997-08-05 | 1998-02-04 | $7700.00 | Window Closed / Lapsed |