Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 4740869 | Electrolytic capacitor An electrolytic capacitor comprising a capacitor element and an electrolyte impregnated to the element, wherein the electrolyte contains a flurorocarboxylic acid or its salt as a solute dissolved in an organic solvent.... | 04/26/1988 |
| 4578204 | High voltage electrolite An electrolytic capacitor comprising a pair of electrodes at least one of which is composed essentially of a film-forming metal and has a dielectric oxide film thereof, and an electrolyte consisting essentially of a liquid salt of a tertiary amine and gla... | 03/25/1986 |
| 4559581 | Electrolytic capacitor An electrolytic capacitor the electrolyte solution of which consists of a solution of salt of an amine of acetic acid and boric acid between certain ratio limits, in one or more mono-alkylated or di-alkylated amides or a carboxylic acid having 1, 2 or 3 c... | 12/17/1985 |
| 4541037 | Aluminum electrolytic capacitor An aluminum electrolytic capacitor has a capacitor section of two aluminum electrode foils, at least one of which bears a barrier layer anodic oxide, wound with interleaved spacer material in contact with an electrolyte containing a phosphate salt, the ca... | 09/10/1985 |
| 4522737 | Electrolytes for electrolytic capacitors An electrolyte for electrolytic capacitors comprises an alkyl glycol of 2 to 4 carbons; ammonium formate; and either a dicarboxylic acid of 2 to 8 carbons or its diammonium salt, wherein the ammonium ion is of the formula NH--(R)3 in which R is... | 06/11/1985 |
| 4469610 | Electrolyte for an electrolytic capacitor An electrolyte for an electrolytic capacitor which comprises using as a main solute(s) at least one of a long chain dibasic acid having 12 to 22 carbon atoms and containing an alkyl group at the side chain thereof or a salt thereof and dissolving said sol... | 09/04/1984 |
| 4447346 | Electrolyte system for electrolytic capacitors An essentially non-aqueous electrolyte composition for aluminum-anode capacitors is disclosed comprising ethylene glycol and a salt such as the ammonium or amine salt of an unsaturated dicarboxylic acid with or without a small amount of an additive such a... | 05/08/1984 |
| 4428028 | Electrolytic capacitor An aluminum or tantalum electrolytic capacitor contains an electrolyte system utilizing 3-methoxypropionitrile as solvent. This system includes a stable solute chosen from amine-glycol-borates, condensed phosphates, and complex boro-phenolates to provide ... | 01/24/1984 |
| 4381536 | Low voltage electrolytic capacitor An aluminum electrolytic capacitor suitable for low-voltage use contains as electrolyte ammonium difluoroacetate dissolved in either ethylene glycol or an ethylene glycol-butyrolactone mixture both containing water. The electrolyte has a room-temperature ... | 04/26/1983 |
| 4373176 | Electrolytic capacitor for at least 200 V service An aluminum electrolytic capacitor capable of operation at 200 VDC or higher and 130° C. contains as its electrolyte a tertiary amine or a dipropylamine mono salt of dodecanedioic acid dissolved in a solvent mixture of ethylene glycol and N-methyl-2-pyrr... | 02/08/1983 |
| 4373177 | High temperature electrolytic capacitor A high-temperature aluminum electrolytic capacitor contains an electrolyte of mono(di-n-propylammonium) adipate or mono(diisopropylammonium) adipate, a phosphate salt, and water dissolved in ethylene glycol to provide a capacitor capable of operating at l... | 02/08/1983 |
| 4245278 | Electrolytic capacitor containing a metatungstate electrolyte An electrolytic capacitor contains as electrolyte a metatungstate salt dissolved in a polar solvent. The salt is preferably an ammonium or amine salt, and the solvent consists essentially of at least one polar organic solvent and water.... | 01/13/1981 |
| 4189761 | Non-aqueous electrolytic capacitor electrolyte A non-aqueous electrolyte for an electrolytic capacitor contains as solute a salt obtained from an amine and a trialkyl phosphate.... | 02/19/1980 |
| 4117531 | Electrolytic capacitor An electrolyte system for electrolytic capacitors contains as solute an ammonium or amine salt of an amic acid or an amate. These salts may be obtained by the reaction of maleic, succinic, phthalic, or hexahydrophthalic anhydride with ammonia or an amine.... | 09/26/1978 |
| 4110817 | Electrolytic capacitor with an electrolyte including dibasic acid compounds An aluminum electrolytic capacitor includes an electrolyte solute of ammonium succinate or ammonium adipate in combination with ammonium succinamate, succinamic acid, succinamide, or succinimide.... | 08/29/1978 |
| 4101458 | Electrolyte for electrolytic capacitors An electrolyte for electrolytic capacitors comprising N-ethylformamide or its mixture with any other solvent containing at least about 10% by weight of N-ethylformamide and an acid salt of maleic acid with ammonia or an amine. The electrolyte can be used ... | 07/18/1978 |
| 4038586 | Coulomb memory element A coulomb memory element having an electric current breaking action at a high allowable maximum voltage in which an electrolyte consisting mainly of a lead salt or a mixture of lead salts is charged between one or more inactive electrodes consisting of tu... | 07/26/1977 |
| 4031436 | Electrolyte capacitors An electrolyte composition for electrolytic capacitors consisting essentially of a salt of a slilcotungstatic or silicomolybdic acid in a polar organic solvent and having a pH of from about 5.0 to about 7.2; and a capacitor containing said composition.... | 06/21/1977 |
| 3931552 | Capacitor electrolyte Chromate radicals are used in a capacitor electrolyte comprising a polar organic solvent containing an ionizable salt in order to improve the elevated temperature properties, shelf life and storage life of electrolytic capacitors.... | 01/06/1976 |