CA1334480C - Conductive polymer composition - Google Patents

Conductive polymer composition

Info

Publication number
CA1334480C
CA1334480C CA000611894A CA611894A CA1334480C CA 1334480 C CA1334480 C CA 1334480C CA 000611894 A CA000611894 A CA 000611894A CA 611894 A CA611894 A CA 611894A CA 1334480 C CA1334480 C CA 1334480C
Authority
CA
Canada
Prior art keywords
carbon black
electrical device
conductive polymer
less
resistance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA000611894A
Other languages
English (en)
French (fr)
Inventor
Bernadette A. Trammell
Gordon Mccarty
Ravinder K. Oswal
O. James Straley
Jeff Shafe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Raychem Corp
Original Assignee
Raychem Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22933384&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA1334480(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Raychem Corp filed Critical Raychem Corp
Application granted granted Critical
Publication of CA1334480C publication Critical patent/CA1334480C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/02—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient
    • H01C7/027—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient consisting of conducting or semi-conducting material dispersed in a non-conductive organic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/02—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Conductive Materials (AREA)
  • Thermistors And Varistors (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
CA000611894A 1988-09-20 1989-09-19 Conductive polymer composition Expired - Fee Related CA1334480C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US24705988A 1988-09-20 1988-09-20
US247,059 1988-09-20

Publications (1)

Publication Number Publication Date
CA1334480C true CA1334480C (en) 1995-02-21

Family

ID=22933384

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000611894A Expired - Fee Related CA1334480C (en) 1988-09-20 1989-09-19 Conductive polymer composition

Country Status (8)

Country Link
EP (2) EP0803879B1 (xx)
JP (2) JP2876549B2 (xx)
KR (1) KR100224945B1 (xx)
AT (2) ATE161354T1 (xx)
CA (1) CA1334480C (xx)
DE (2) DE68929517T2 (xx)
HK (1) HK1021613A1 (xx)
WO (1) WO1990003651A1 (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1267672B1 (it) * 1994-01-17 1997-02-07 Hydor Srl Composto resistivo termosensibile, suo metodo di realizzazione ed uso
DE10310722A1 (de) 2003-03-10 2004-09-23 Tesa Ag Elektrisch erwärmbare Haftklebemasse
DE102007007617A1 (de) 2007-02-13 2008-08-14 Tesa Ag Intrinsisch erwärmbare heißschmelzklebrige Flächengebilde
DE102008034748A1 (de) 2008-07-24 2010-01-28 Tesa Se Flexibles beheiztes Flächenelement
DE102008063849A1 (de) 2008-12-19 2010-06-24 Tesa Se Beheiztes Flächenelement und Verfahren zu seiner Befestigung
DE102009010437A1 (de) 2009-02-26 2010-09-02 Tesa Se Beheiztes Flächenelement
US20130193384A1 (en) * 2012-01-31 2013-08-01 E. I. Du Pont De Nemours And Company Polymer thick film positive temperature coefficient carbon composition
JP7309444B2 (ja) * 2018-07-05 2023-07-18 キヤノン株式会社 樹脂組成物、樹脂成形体、樹脂積層体、カートリッジ、画像形成装置、樹脂成形体の製造方法、樹脂積層体の製造方法およびカートリッジの製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4237441A (en) * 1978-12-01 1980-12-02 Raychem Corporation Low resistivity PTC compositions
US4277673A (en) * 1979-03-26 1981-07-07 E-B Industries, Inc. Electrically conductive self-regulating article
US4591700A (en) * 1980-05-19 1986-05-27 Raychem Corporation PTC compositions
EP0123540A3 (en) * 1983-04-20 1985-01-02 RAYCHEM CORPORATION (a California corporation) Conductive polymers and devices containing them
US4668857A (en) * 1985-08-16 1987-05-26 Belton Corporation Temperature self-regulating resistive heating element
AU589714B2 (en) * 1985-12-06 1989-10-19 Sunbeam Corp. PTC compositions containing a non-surface treated carbon black having an intermediate resistivity for reduced annealing

Also Published As

Publication number Publication date
ATE161354T1 (de) 1998-01-15
DE68928502T2 (de) 1998-06-18
JPH04500745A (ja) 1992-02-06
EP0435923B1 (en) 1997-12-17
EP0435923A1 (en) 1991-07-10
JPH11144907A (ja) 1999-05-28
WO1990003651A1 (en) 1990-04-05
EP0803879A1 (en) 1997-10-29
HK1021613A1 (en) 2000-06-16
JP2876549B2 (ja) 1999-03-31
JP2955281B2 (ja) 1999-10-04
KR900702544A (ko) 1990-12-07
DE68928502D1 (de) 1998-01-29
ATE262725T1 (de) 2004-04-15
DE68929517T2 (de) 2005-02-03
KR100224945B1 (ko) 1999-10-15
DE68929517D1 (de) 2004-04-29
EP0803879B1 (en) 2004-03-24

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Legal Events

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