Patent ID: 11935708
Assignee: KEMET ELECTRONICS CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 37:
38. The electrolytic capacitor of claim 1 wherein said primary conductive polymer layer comprises a polymer defined by Formula B:, wherein:
R14 and R15 independently represent linear or branched C1-C16 alkyl or C2-C18 alkoxyalkyl; C3-C8 cycloalkyl, phenyl or benzyl which are unsubstituted or substituted by C1-C6 alkyl, C1-C6 alkoxy, halogen or OR17; or
R14 and R15, taken together, are a linear C1-C6 alkylene which is unsubstituted or substituted by C1-C6 alkyl, C1-C6alkoxy, halogen, C3-C8cycloalkyl, phenyl, benzyl, C1-C4 alkylphenyl, C1-C4 alkoxyphenyl, halophenyl, C1-C4 alkylbenzyl, C1-C4 alkoxybenzyl, halobenzyl or a 5-, 6-, or 7-membered heterocyclic structure containing two oxygen elements;
R17 represents hydrogen, linear or branched C1-C16 alkyl, C2-C18 alkoxyalkyl, C3-C8 cycloalkyl, phenyl or benzyl which are unsubstituted or substituted by C1-C6 alkyl;
X is S; and
n is an integer of 2 to a number sufficient to reach a molecular weight of about 500,000.