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

Claim 38:
39. The electrolytic capacitor of claim 38 wherein R14 and R15 are taken together to represent —O—(CHR18)m—O— wherein:
m is an integer from 1 to 5;
R18 is independently selected from hydrogen; a linear or branched C1 to C18 alkyl radical, C5 to C12 cycloalkyl radical, C6 to C14 aryl radical, C7 to C18 aralkyl radical or C1 to C4 hydroxyalkyl radical, unsubstituted or substituted with a functional group selected from carboxylic acid, hydroxyl, amine, alkene, acrylate, thiol, alkyne, azide, sulfate, sulfonate, sulfonic acid, imide, amide, epoxy, anhydride, silane, phosphate, hydroxyl, —(CHR5)a—R16; —O(CHR19)aR20; —CH2O(CHR19)aR20, or —CH2O(CH2CHR19O)aR20, or
R18 is a functional group selected from the group consisting of hydroxyl, carboxyl, amine, epoxy, amide, imide, anhydride, hydroxymethyl, alkene, thiol, alkyne, azide, sulfonic acid, benzene sulfonic acidsulfate, SO3M, anhydride, silane, acrylate and phosphate;
R19 is H or an alkyl chain of 1 to 5 carbons which is unsubstituted or substituted with a functional group selected from the group consisting of carboxylic acid, hydroxyl, amine alkene, thiol, alkyne, azide, epoxy, acrylate and anhydride;
R20 is H, —SO3M or an alkyl chain of 1 to 5 carbons which is unsubstituted or substituted with a functional groups selected from the group consisting of carboxylic acid, hydroxyl, amine, alkene, thiol, alkyne, azide, amide, imide, sulfate, —SO3M, amide, epoxy, anhydride, silane, acrylate and phosphate;
a is integer from 0 to 10; and
M is H or a cation selected the group consisting of from ammonia, sodium and potassium.