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Title: US4587037: Pyrrole polymers as electrical heating elements
[ Derwent Title ]


Country: US United States of America

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3 pages

 
Inventor: Munstedt, Helmut; Wachenheim, Germany
Gebhard, Helmut; Boehl-Iggelheim, Germany
Naarmann, Herbert; Wattenheim, Germany
Schlag, Johannes; Ludwigshafen, Germany

Assignee: BASF Aktiengesellschaft Germany
other patents from BASF AKTIENGESELLSCHAFT (54310) (approx. 10,232)
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Published / Filed: 1986-05-06 / 1984-05-04

Application Number: US1984000607158

IPC Code: Advanced: C08K 3/00; C08L 1/00; C08L 27/00; C08L 33/00; C08L 33/02; C08L 79/00; C08L 79/04; H01B 1/12; H05B 3/14;
Core: more...
IPC-7: H01B 1/06;

U.S. Class: Current: 252/500; 219/553;
Original: 252/500; 252/518; 219/553;

Field of Search: 252/500,518 219/541,542,547,548,549,553 204/072,78,10,13,12,59 R 526/258

Priority Number:
1983-05-04  DE1983003316182

Abstract: Moldings from the class of the pyrrole polymers which are complexed with anions are used as electrical heating elements.

Attorney, Agent or Firm: Keil & Weinkauf ;

Primary / Asst. Examiners: Barr, Josephine L.;

Maintenance Status: E2 Expired  Check current status

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First Claim:
Show all 10 claims
We claim:     1. A heating element which comprises:
  • a molding of a pyrrole polymer which has been complexed with anions, said molding being shaped to the desired dimensions of the heating element; and
  • means connected to the molding to pass an electrical current through said molding in a heat generating manner.


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Description: Show description

Forward References: Show 4 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (4)   |   Backward references (2)   |   Citation Link

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PDF
Patent  Pub.Date  Inventor Assignee   Title
Buy PDF- 3pp US3574072  1971-04 Louvar   POLYMERIZATION OF HETEROCYCLIC COMPOUNDS
Buy PDF- 8pp US4468291  1984-08 Naarmann et al.  BASF Aktiengesellschaft Continuous production of polypyrrole films
       
Foreign References: None

Other Abstract Info: CHEMABS 102(12)096699H

Other References:
  • Pyrrole, a Stable Metallic Polymer; Kanazawa et al., J. Chem. Soc. 1979, pp. 854-855. (2 pages) Cited by 15 patents


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