| Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884) |
|---|
| 03/19/1980 | EP0008943A1 An improved absolute, fluid filter |
| 03/18/1980 | US4193412 Additive for smoking tobacco products, filter elements thereof and process for the preparation thereof |
| 03/18/1980 | CA1073773A1 Cigarette filter |
| 03/18/1980 | CA1073648A1 Web of blended microfibers and crimped bulking fibers |
| 03/11/1980 | US4192838 Process for producing filter material |
| 03/11/1980 | CA1073598A1 Method of removing impurities from a liquid using a filter bed |
| 03/11/1980 | CA1073372A1 Filter medium and method of making same |
| 03/04/1980 | CA1072850A1 Apparatus for combining a tube with a cigarette filter |
| 02/26/1980 | US4190696 Flame resistant, gas resistant foam material |
| 02/26/1980 | US4190533 Filter method |
| 02/26/1980 | CA1072309A1 Process for weaving an openwork rigid fabric and fabric woven thereby |
| 02/26/1980 | CA1072281A1 Injection molding filter assembly |
| 02/21/1980 | WO1980000222A1 Oil reconditioning system |
| 02/19/1980 | US4188960 Fibers filter rods and other nonwoven articles made from poly(1,2-propylene terephthalate) copolyesters of terephthalic acid, 1,2-propylene glycol and ethylene glycol |
| 02/19/1980 | CA1071851A1 Fabric filter and process for producing the same |
| 02/06/1980 | EP0007329A1 Low temperature synthesis of vitreous bodies and their intermediates |
| 01/29/1980 | US4186101 Compression molded, self-supportive multicells of fiber flakes |
| 01/29/1980 | US4186100 Inertial filter of the porous metal type |
| 01/29/1980 | US4185972 Electric charge holding structure for electretized air-filter medium |
| 01/29/1980 | CA1070619A1 Filter mesh weave |
| 01/23/1980 | EP0007045A1 Filter tube |
| 01/22/1980 | US4184966 Tubular filter elements with improved side seam seal |
| 01/22/1980 | US4184953 Polyester fabric filter for sea water for injection into oil reservoir |
| 01/09/1980 | EP0006704A1 Fibrous structure |
| 01/08/1980 | US4182350 Cigarette filter |
| 01/01/1980 | US4181640 Fibers, filter rods and other nonwoven articles made from poly(1,2-propylene terephthalate) copolyesters of terephthalic acid, 1,2-propylene glycol and ethylene glycol |
| 01/01/1980 | US4181607 Removal of asbestos fibers from water |
| 01/01/1980 | US4181514 Dimensional stability, corrosion resistance |
| 01/01/1980 | US4181513 Carbon adsorptive filter material with layers of reinforcing non woven fabrics needle punched |
| 01/01/1980 | CA1069059A Filters |
| 12/25/1979 | US4180536 Process for extruding plasticized open cell foamed cellulose acetate filters |
| 12/18/1979 | US4179274 Respirator filter and method of making the same |
| 12/12/1979 | EP0005923A1 Filter apparatus and fabric filter bag |
| 12/11/1979 | US4178161 Impregnation of nested sheets with a thermosetting melamine, urea, or benzoguanamine resin |
| 12/11/1979 | US4178157 Method for manufacturing a filter of electrically charged electret fiber material and electret filters obtained according to said method |
| 12/04/1979 | US4177141 Pre-impregnation |
| 11/27/1979 | US4175933 Dust filter apparatus |
| 11/20/1979 | CA1066634A1 Blood filter media |
| 11/13/1979 | CA1066439A1 Filters for the selective collection of metallic ions |
| 11/06/1979 | US4173504 Multicomponent filaments, propylene polymer, ethylene-vinyl acetate copolymer possibly saponified |
| 10/31/1979 | EP0004943A1 Asymmetric cellulose triacetate-based ultrafiltration membranes and method of fabrication thereof |
| 10/30/1979 | US4172797 Dual media filter |
| 10/30/1979 | US4172788 Caustic chlorine filter bag |
| 10/23/1979 | US4171987 Micro-porous sheet |
| 10/16/1979 | US4171390 Isocyanate adduct in highy polar solvent reacted with hydrazine, carbodihydrazide, piperazine, or 1,4-diaminopiperazine |
| 10/09/1979 | CA1064006A1 Activated carbon and preparation thereof |
| 10/09/1979 | CA1063946A1 Continuous production of tubular modular filter elements using nonwoven webs from thermoplastic fibers and products |
| 10/02/1979 | US4169754 Filter tube and method of preparing same |
| 09/25/1979 | US4169059 Autogenously bonded filter assemblies |
| 09/19/1979 | EP0003959A1 Collapse-resistant corrugated filter element |
| 09/18/1979 | US4167875 Filtration method and apparatus |
| 09/04/1979 | US4166736 Powdered metal filter composition and processes for producing the same |
| 08/28/1979 | US4166147 Shaped and fired articles of tio2 |
| 08/28/1979 | CA1061241A1 Trickling filters media for biological filters |
| 08/21/1979 | CA1060806A1 Oil-water separation filters |
| 08/21/1979 | CA1060616A1 Method for the production of filters by electrostatic fibre spinning |
| 08/14/1979 | US4164400 Non-woven textile fabric for separating solids from a suspending gas |
| 08/14/1979 | CA1060354A1 Fiber bed separator and method for separation of aerosols from gases without re-entrainment |
| 08/07/1979 | US4163714 Separating substances with pressure-driven affinity sorption membranes |
| 08/07/1979 | CA1059921A1 Separator having sorbent with thin minimal-pressure-drop channels therethrough |
| 07/31/1979 | CA1059535A1 Ceramic foam filter |
| 07/25/1979 | EP0003046A2 Filtering cloth gasket |
| 07/17/1979 | US4161503 Thermoplastic resins |
| 07/17/1979 | US4161422 Filter paper and method of making same |
| 07/10/1979 | US4160684 Method of manufacturing a coalescing demister |
| 07/10/1979 | CA1058095A1 Micro-porous tubular filter |
| 07/03/1979 | US4160059 Adsorptive nonwoven fabric comprising fused fibers, non-fused fibers and absorptive material and method of making same |
| 07/03/1979 | CA1057675A1 Filter tube and method of making same |
| 06/26/1979 | CA1057014A1 Porous products and process therefor |
| 06/19/1979 | US4158626 Of silicon dioxide |
| 06/12/1979 | US4157968 Filters |
| 06/12/1979 | US4157965 Improved fluid flow characteristics |
| 06/12/1979 | US4157937 Resole resin and polyvinyl acetate impregnated filter paper |
| 06/12/1979 | US4157929 Method of making a porous dimensionally stable heat-resistant and corrosion-resistant plate-like structure |
| 05/29/1979 | CA1055235A1 Method of and apparatus for making a tubular filter element |
| 05/22/1979 | US4155854 Bundles of long plastic threads |
| 05/22/1979 | US4155726 Horizontally disposed cylindrical fiber bed separator for separation of aerosols from gases |
| 05/15/1979 | US4154689 Filtering and inline degassing of molten metal |
| 05/15/1979 | US4154688 High pressure fluid systems |
| 05/08/1979 | US4153661 Method of making polytetrafluoroethylene composite sheet |
| 05/08/1979 | CA1054050A1 Gel column device and use in blood purification and immunoassay |
| 05/01/1979 | CA1053417A1 Separation process |
| 04/18/1979 | EP0001407A1 Tubular filter elements with improved side seam seal |
| 04/17/1979 | US4149975 Aluminum oxide |
| 04/17/1979 | US4149550 Arranged in random orientation, the core being stiffened and enclosed by a crust |
| 04/10/1979 | US4148734 Filter material and process for producing same |
| 04/10/1979 | CA1052288A1 Process of manufacturing a porous, stainless steel filter element and sealing it in a tubular fitting, and resulting filter |
| 04/03/1979 | CA1051753A1 Suede-like raised woven fabric and process for the preparation thereof |
| 03/20/1979 | US4145518 Fibers, filter rods and other nonwoven articles made from poly(1,2-propylene terephthalate)copolyesters of terephthalic acid, 1,2-propylene glycol and ethylene glycol |
| 03/20/1979 | US4145194 Cylindrical fiber bed separator element with side-entry inlet duct to core of element |
| 03/13/1979 | US4144171 Filter block and method of making the same |
| 03/13/1979 | US4144040 Method and apparatus for demisting gases |
| 03/13/1979 | CA1050481A1 Method for the manufacture of an electret fibrous filter |
| 03/06/1979 | US4143196 Fibre fleece of electrostatically spun fibres and methods of making same |
| 03/06/1979 | US4142820 Pivotal connecting device for pivotally connecting an off-shore articulated column structure to a sea bottom |
| 03/06/1979 | CA1049815A1 Sintering of particulate metal |
| 02/27/1979 | US4141838 Dialysis membrane, especially for hemodialysis, and method for producing same |
| 02/06/1979 | US4138459 Process for preparing a microporous polymer film |
| 02/06/1979 | US4138303 For filtering extruded plastic |
| 02/06/1979 | US4137647 Heat and humidity recovery device for use with clothes dryer |