Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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AbstractAn antistatic thermoplastic composition comprising a blend of a thermoplastic graft polymer; a thermoplastic halogenated polymer; and an amount of conductive carbon black effective to cause the composition to have a surface resistivity of 102 -1012 ohm/square, wherein the ratio of (a)/(b) is from 9:1-1:9, by weight and the weight percentage of (c) is from 2-10%.Other References
| InventorsApplicationNo. 06/618631 filed on 06/08/1984US Classes:252/511, Resin, rubber, or derivative thereof containing523/174, Phonograph record molding composition or process of preparing524/495, Mixing with carbon, e.g., graphite, etc., having numerical limitations, other than amount, e.g., included herein are particle size, surface area, etc., or composition or product thereof, DNRM524/496, Carbon particle having specified dimension524/504Solid graft or solid graft-type copolymer with other solid polymer, SICP, or SPFIExaminersPrimary: Lilling, Herbert J.Attorney, Agent or FirmUS Patent References3053800, 3877605, 4128539, Curable vinyl chloride resin compositionIssued on: 12/05/1978 Inventor: Onizawa4129608, Multi-component graft copolymer and thermoplastic resin composition thereof Issued on: 12/12/1978 Inventor: Murayama , et al.4228050, Conductive molding composition Issued on: 10/14/1980 Inventor: Martin , et al.4280941, Video discs and molding compositions therefor Issued on: 07/28/1981 Inventor: Datta , et al.4299736, Conductive molding composition and discs therefrom Issued on: 11/10/1981 Inventor: Datta4329276, Molding components Issued on: 05/11/1982 Inventor: Reardon4329278, Molding compositions Issued on: 05/11/1982 Inventor: Reardon4351747, Information signal record medium of the capacitance type Issued on: 09/28/1982 Inventor: Miyamoto , et al.4378310, Conductive molding composition Issued on: 03/29/1983 Inventor: Datta , et al.4386175, Resin composition Issued on: 05/31/1983 Inventor: Kuramochi , et al.4396660, Electroconductive resin composition and a videodisc record Issued on: 08/02/1983 Inventor: Hata , et al.4412941, Recording disc compositions comprising polymers of monovinyl-substituted hydrocarbons, conductive carbon black and lubricants Issued on: 11/01/1983 Inventor: Probst , et al.4465615Electroconductive resin composition and a videodisc record Issued on: 08/14/1984 Inventor: Hata , et al. International ClassesC08K 3/00 (20060101)C08L 27/06 (20060101) C08L 27/00 (20060101) C08K 3/04 (20060101) C08L 51/06 (20060101) C08L 51/00 (20060101) C08L 51/04 (20060101) C08L 23/00 (20060101) C08L 23/28 (20060101) C08L 55/00 (20060101) C08L 55/02 (20060101) |