| Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884) |
|---|
| 12/15/1987 | US4713285 High temperature filter material |
| 12/15/1987 | US4713225 Acitve manganese dioxide |
| 12/15/1987 | US4713180 Open-celled foam structure of silicon carbide, silica, alumina and refractory inorganic binder |
| 12/09/1987 | EP0248182A2 Web of material, especially for filtration, method for making it, and its use |
| 12/09/1987 | EP0248141A2 Method of manufacturing a moulded article |
| 12/01/1987 | US4710520 Mica-polymer micro-bits composition and process |
| 11/26/1987 | DE3705793A1 Filter apparatus for gas purification |
| 11/26/1987 | DE3617463A1 Process for modifying fibre webs composed of oxidic materials for use in dust collection from gases |
| 11/25/1987 | EP0246917A2 High performance gas filter |
| 11/25/1987 | EP0246811A2 Blended-fibre filter material |
| 11/24/1987 | USRE32549 Foldable metallic gauze pack and segment |
| 11/17/1987 | US4707269 Nonwoven fabric filters |
| 11/11/1987 | EP0245108A2 Process and apparatus for productionof a non-woven fiber sheet |
| 11/11/1987 | EP0245000A2 Microporous membrane structure and method of making |
| 11/10/1987 | US4705808 Process for treating a core halogenated strongly acidic cation exchange catalyst |
| 11/04/1987 | EP0244061A1 Apparatus for the removal of particulate material from a gas |
| 10/28/1987 | EP0243217A1 Process of production of a filter for liquid metals |
| 10/27/1987 | US4702940 Method of producing filter for air cleaner |
| 10/20/1987 | US4701267 Using non-woven fabric filter |
| 10/20/1987 | US4701197 Two nonwoven fiber mediums sealed by edges; air cleaners |
| 10/14/1987 | EP0241221A1 Resilient shape-retaining fibrous filtration face mask |
| 10/14/1987 | CN87101800A Bubble-like ceramic filting device for filting liquid metal and its preparation process |
| 10/08/1987 | WO1987005812A1 Filter medium for selectively removing leucocytes |
| 10/07/1987 | EP0240342A2 Process for preparing a filter body |
| 10/06/1987 | US4698157 Filter membrane and method of manufacturing it |
| 10/06/1987 | US4697632 Ceramic porous bodies suitable for use with superalloys |
| 09/30/1987 | EP0239305A1 Filter device and method |
| 09/30/1987 | EP0238607A1 Filtration of aluminium-lithium alloys |
| 09/29/1987 | US4696751 Vibratory screening apparatus and method for removing suspended solids from liquid |
| 09/23/1987 | EP0237530A1 Filter body. |
| 09/22/1987 | US4695334 Method of making water impervious materials |
| 09/22/1987 | US4695301 Porous ceramic monoliths |
| 09/22/1987 | US4695015 Improvements relating to belts of inter-woven spiral wires |
| 09/16/1987 | EP0237464A2 Process and apparatus for removing dust-like and gaseous pollutants from waste gases, especially those set free in the production of optical wave guide preforms |
| 09/16/1987 | EP0236479A1 Composite having improved transverse structural integrity and flexibility for use in high temperature environments and method of making the same. |
| 09/15/1987 | USRE32503 Silicic acid for the filtration of beverages particularly beer |
| 09/09/1987 | EP0236249A1 Porous fritted ceramic work pieces and process for their production |
| 09/02/1987 | EP0234963A2 Dusting cloth |
| 09/01/1987 | US4690763 For molten metals |
| 08/26/1987 | EP0233741A2 Porous fibrous fluorocarbon structures |
| 08/25/1987 | US4689255 Glass fiber composite |
| 08/25/1987 | US4689058 Disposable stove hood filter |
| 08/19/1987 | EP0232848A2 Filter element |
| 08/18/1987 | US4687697 Composite having improved transverse structural integrity and flexibility for use in high temperature environments |
| 08/18/1987 | US4687579 Quartz and stainless steel fibers; liquid and gas filtration |
| 08/13/1987 | WO1987004717A1 Process for producing an additive for lubricants and for aqueous heating agents and fuels, as well as special application possibilities thereof |
| 08/13/1987 | WO1987004638A1 Filter, in particular for a paint recycling installation |
| 08/13/1987 | DE3603946A1 Filter, insbesondere fuer eine lackier-recyclinganlage Filter, especially for a lacquered-recycling plant |
| 08/12/1987 | EP0231946A2 Apparatus for curing resin impregnated in filter element |
| 08/12/1987 | EP0231906A1 Process for the preparation of an additive for lubricants or for aqueous heating or fuel systems, and their particular application possibilities |
| 08/12/1987 | EP0231432A2 Cross-flow microfilter |
| 08/11/1987 | US4686044 Polycarbonate-polyether-copolymer membrane |
| 08/05/1987 | EP0230875A1 Apparatus for cleaning breathing air |
| 08/05/1987 | EP0230580A1 Filter |
| 08/05/1987 | EP0230579A1 Particle filter for waste gases |
| 08/04/1987 | US4684510 Chemical filter |
| 08/04/1987 | US4684471 Process for water purification, and a filter for carrying out the process |
| 08/04/1987 | CA1225078A1 Yarn having specific properties |
| 07/30/1987 | WO1987004474A1 Screen cylinder |
| 07/30/1987 | DE3602154A1 Particle filter for exhaust gases |
| 07/30/1987 | DE3602153A1 Process for winding particle filters |
| 07/29/1987 | EP0230097A2 Needled layered material containing activated carbon fibres |
| 07/28/1987 | CA1224729A2 High efficiency filter |
| 07/21/1987 | US4681624 Zircon, open cells |
| 07/16/1987 | WO1987004233A1 Process, device and chemisorption filter for purifying breathing air |
| 07/15/1987 | EP0228706A1 Process for the manufacture of open-celled ceramic bodies and ceramic bodies made by this process |
| 07/15/1987 | EP0228631A2 Ceramic filter with plural layers of different porosity |
| 07/15/1987 | EP0228538A1 Method and device for the manufacture of moulded articles provided with conduits and made of a moulding powder, especially of a ceramic moulding material, catchword: honeycomb |
| 07/15/1987 | EP0228512A2 Filter pack |
| 07/15/1987 | EP0228497A1 A process for water purification, and a filter for carrying out the process |
| 07/14/1987 | US4680221 Chemical-resistant filter material |
| 07/14/1987 | US4680118 Pleated and sealed filter cartridge with connected film |
| 07/14/1987 | US4680040 Electrostatographic reproducing apparatus |
| 07/14/1987 | CA1224092A1 Microporous metal-plated polytetrafluoroethylene articles and method of manufacture |
| 07/09/1987 | DE3600293A1 Process and apparatus for the multi-stage combustion of fossil fuels |
| 07/07/1987 | US4678758 Porous ceramic filter body and manufacturing method therefor |
| 07/07/1987 | US4678571 Water purifier |
| 07/07/1987 | CA1223743A1 Method of filtering molten metal |
| 07/02/1987 | DE3545422A1 Extractor hood |
| 07/01/1987 | CN86205457U Maifanshi (weathered granite) filter core |
| 06/30/1987 | US4677019 Utilize activated carbon particles sheathed with polymeric binder permeable to chemical pollutants |
| 06/30/1987 | US4676904 Filter sheet which is free of asbestos |
| 06/30/1987 | US4676807 Process for removal of liquid aerosols from gaseous streams |
| 06/24/1987 | EP0226471A2 Hydraulically entangled PTFE/glass filter felt |
| 06/24/1987 | EP0226438A2 Graded refractory cermet article |
| 06/19/1987 | DE3544509A1 Room filter for eliminating tobacco smoke |
| 06/19/1987 | DE3544404A1 Filter for precipitating solid particles of gaseous or liquid media |
| 06/17/1987 | CN86107829A Plastic anti-acid fog device |
| 06/16/1987 | US4673695 Forming a solution of polmer and solvent, then controlled cool ing/ |
| 06/16/1987 | CA1222958A1 Filter element for filtering fluids |
| 06/10/1987 | EP0225201A1 Textile packing as a carrier for biological conversion and phase separation |
| 06/03/1987 | EP0223959A2 Porous, temperature-stable article and process for its production |
| 06/02/1987 | US4670304 Process for producing porous ceramic bosy |
| 05/27/1987 | EP0223022A2 Method for making soot filters |
| 05/27/1987 | EP0137825B1 Tubular filter primarily intended for filtration of liquids |
| 05/27/1987 | CN86203087U Artificial filtering material |
| 05/19/1987 | US4666478 Alumina and permanganate filtration |
| 05/14/1987 | DE3539641A1 Apparatus for filtering particles from gases |
| 05/14/1987 | DE3537672C1 Filter body |
| 05/12/1987 | US4665164 Etherification; chromatography |