| Patents for A62D 9 - Composition of chemical substances for use in breathing apparatus (250) |
|---|
| 12/29/1988 | DE3719067A1 Bactericidal chemisorption filter |
| 12/08/1988 | DE3718021A1 Method to form barriers for bacteria, moulds, spores etc., discharged downstream of biofilters |
| 12/01/1988 | WO1988009205A1 Process, filter and device for supplying high-quality breathing air |
| 08/18/1988 | DE3703137A1 Multiply active bactericidal/fungicidal chemisorption filter for treating breathing air, in particular for allergic people |
| 03/15/1988 | US4731197 Potassium superoxide pellet |
| 01/27/1988 | EP0254314A2 Self-contained closed-circuit oxygen-generating breathing apparatus |
| 12/09/1987 | CN87103446A Method of oxidizing gaseous substances |
| 11/19/1987 | EP0246031A2 A method of oxidizing gaseous substances |
| 09/23/1987 | EP0238463A1 A device for absorption of carbon dioxide in a breathing apparatus |
| 09/17/1987 | DE3608721A1 Method for improving the service life of chemisorption compositions |
| 08/18/1987 | US4687640 Chlorine gas filtering material suitable for use in a chemical oxygen generator |
| 07/28/1987 | US4683130 Addition compound of sodium carbonate and hydrogen peroxide |
| 04/15/1987 | EP0218348A1 Respirators incorporating bonded adsorbant structures |
| 01/29/1987 | DE3525476A1 Multifunctional filter for removing solid and gaseous pollutants from air |
| 01/27/1987 | US4639432 Oxidation catalysts |
| 01/20/1987 | CA1216836A1 Filter paper |
| 01/13/1987 | US4636485 Oxidation |
| 12/30/1986 | CA1215961A1 Absorbents for airbourne formaldehyde |
| 11/12/1986 | EP0201468A1 A device for removing carbon dioxide from a gas mixture |
| 10/21/1986 | CA1212931A1 Oxidation catalysts |
| 10/08/1986 | EP0196619A2 A method of generating oxygen for emergency use |
| 10/22/1985 | US4548730 Portable self-contained oxygen generator apparatus and method |
| 08/21/1985 | EP0151685A1 Pt catalyst on a support as an air purification agent |
| 08/20/1985 | US4536375 Purification of gases |
| 06/26/1985 | EP0145849A1 Filter paper |
| 06/18/1985 | US4523588 Protective pillow assembly |
| 05/14/1985 | US4517111 Absorbents for airborne formaldehyde |
| 05/14/1985 | CA1187063A1 Sorbent material |
| 04/02/1985 | US4508700 Method of generating oxygen for emergency use |
| 01/22/1985 | US4495030 Filter paper |
| 12/27/1984 | EP0129406A2 Breathing apparatus |
| 12/25/1984 | US4490272 Compositions with a potassium superoxide base and their applications _ |
| 05/02/1984 | EP0107471A2 Oxidation catalysts |
| 05/02/1984 | EP0107465A1 Purification of gases |
| 04/17/1984 | US4443354 Supports, impregnation, amines, imides |
| 11/16/1983 | EP0093938A1 A method of generating oxygen for emergency use |
| 10/05/1983 | EP0090563A2 Sorbent material |
| 08/17/1983 | EP0086138A2 Potassium superoxide based compositions and their uses |
| 05/17/1983 | US4383956 Casting a polymer containing a leachable substance, leaching to form a porous structure |
| 10/26/1982 | US4355637 Surgical masks |
| 10/05/1982 | CA1132772A1 Laminated, highly sorbent, active carbon fabric |
| 10/27/1981 | US4297117 Respiratory device for catastrophic fires and/or smog weather conditions |
| 11/11/1980 | US4233190 Process for the production of carbon dioxide absorption agent pellets for use in respiratory equipment |
| 10/15/1980 | EP0017350A1 Surgical mask |
| 08/12/1980 | US4217386 Spun-bonded, non-woven, polypropylene fabric |
| 04/15/1980 | US4198326 Method for preparing modified graft copolymers of cellulose with monovinyl monomers in the presence of a divinylbenzene modifier |
| 07/17/1979 | CA1058383A1 Endothermal carbon dioxide absorption |
| 08/02/1977 | US4039620 Endothermal carbon dioxide absorption |
| 02/01/1977 | US4005708 Apparatus for endothermal absorption of carbon dioxide |
| 01/18/1977 | US4003979 Method of cleaning air containing carbon monoxide |