Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 7192904 | Thermal recording material The present invention provides a heat-sensitive recording material comprising a substrate and a heat-sensitive recording layer provided thereon, the layer comprising a color forming system that combines an electron-donating colorless dye and an electron-accepting co... | 03/20/2007 |
| 7160840 | Thermal recording material A thermal recording material having a support and, formed thereon, a thermal coloring layer containing an electron donating colorless dye and an electron accepting compound, wherein the electron accepting compound comprises 4-hydroxybenzenesulfoneanilide and the sup... | 01/09/2007 |
| 7098168 | Heat-sensitive recording material (B) A thermosensitive recording material comprises a thermosensitive recording layer containing an electron-donating colorless dye, an electron-accepting compound which develops color upon a reaction with the electron-donating colorless dye and a sensitizer, wherein... | 08/29/2006 |
| 5128310 | Thermosensitive recording material A thermosensitive recording material which comprises a support having a low Streckigt sizing degree, an undercoat layer comprising an oil absorbable pigment and a carboxymethyl cellulose, and a thermosensitive recording layer coated on the undercoat layer... | 07/07/1992 |
| 4742041 | Heat-sensitive recording material A novel heat-sensitive recording material comprising a support having coated thereon a heat-sensitive coloring layer containing a colorless or light-colored electron donor dye precursor and an electron acceptor compound which colors upon reaction with sai... | 05/03/1988 |
| 4631204 | Process of producing color developer sheet for pressure-sensitive recording A process for producing a color developer sheet for pressure-sensitive recording comprising mixing a coating liquid containing a metal salt of an aromatic carboxylic acid and an aqueous emulsion of an organic solvent and coating the resulting mixture on a... | 12/23/1986 |
| 4601920 | Process for the preparation of color developer sheets for pressure-sensitive recording A process for preparing a color developer sheet for pressure-sensitive recording is disclosed. The sheet is comprised of a coating solution on a support, said coating solution being prepared by dissolving an aromatic carboxylic acid metal salt in an organ... | 07/22/1986 |
| 4559242 | Method of preparing color developer sheets A method of preparing a color developer sheet for pressure-sensitive recording is described. The method comprises preparing Coating Solutions A and B separately. Coating Solution A is prepared by dissolving an aromatic carboxylic acid metal salt in an org... | 12/17/1985 |
