Patents
Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884)
02/1981
02/03/1981US4248929 Filter media coated with flame resistant compositions
02/03/1981US4248924 Asymmetric porous film materials and process for producing same
02/03/1981CA1094957A1 Filter medium
02/03/1981CA1094951A1 Tubewells
01/1981
01/20/1981US4246106 Method for refining melts from solid impurities
01/20/1981US4246009 Smoke filter material and use thereof
01/20/1981CA1093977A1 Composite coalescing filter tube and method of manufacture thereof
01/14/1981EP0022182A1 Synthetic polyester pulp and process for preparing same
01/13/1981US4244824 Molded body with inclusions
01/13/1981CA1093749A1 Expanded styrene-polymers and polyolefin micro-bits and their preparation
01/13/1981CA1093477A1 Strainer improvement
01/07/1981EP0020715A1 Process for treatment of solid waste, which contains plastics as well as valuable and/or dangerous solid residue substances.
01/06/1981US4243715 Metallized amorphous silica fabric for high temperature use
12/1980
12/30/1980US4242226 Activated carbon matrix and metals produced by pyrolysis of a polyhexose containing metal cations
12/30/1980US4242207 Filter and fluid analysis system
12/30/1980CA1092748A1 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
12/30/1980CA1092527A1 Filter tube and method of preparing same
12/23/1980US4240864 Spray spinning collection unit
12/16/1980US4239627 Filtering member and method for manufacturing the same
12/16/1980US4239516 Filter mats of glass fibers mixed with foamed polyolefin or polyurethane particles and a bonding agent
12/16/1980EP0016813A4 Core spun filtration roving.
12/16/1980CA1091592A1 High surface area permeable membrane
12/09/1980US4238331 Process for treating sea water containing waxy lipids
12/02/1980US4237083 Blending polyolefin, silica, and water-insoluble plasticizer
12/02/1980CA1090587A1 Apparatus and method for in-line degassing and filtration of molten metal
11/1980
11/25/1980US4235277 Method of forming three-dimensional network porous metallic structure having continuous internal cavity
11/18/1980US4234535 Process for producing porous polytetrafluoroethylene tubings
11/18/1980US4234431 Membrane filtration type hollow fibers and method for the preparation of same
11/12/1980EP0018610A1 Corrugating apparatus and process
11/04/1980US4231768 Air purification system and process
10/1980
10/28/1980US4230573 Melamine-formaldehyde resin, polyaminoamide-epichlorohydrin cationic resin
10/21/1980CA1087968A1 Preparation and method of use of compounds and compositions effective for removal, conversion and detection of carbon monoxide
10/15/1980EP0016813A1 Core spun filtration roving
10/15/1980EP0016806A1 Oil reconditioning filter.
10/14/1980US4227899 Absolute fluid filter
10/07/1980CA1087042A1 Coating modification process for ultrafiltration systems
10/01/1980EP0016220A1 Process of filtration.
09/1980
09/30/1980US4225642 Raised and fused fabric filter and process for producing the same
09/30/1980US4225547 Extrusion process of polytetrafluoroethylene tubing materials and apparatus therefor
09/30/1980US4225443 Sintered-glass-granule filter medium
09/30/1980US4225442 Core spun filtration roving
09/30/1980US4225441 Filter element
09/30/1980CA1086658A1 Filter sock with increased thread count at ends
09/23/1980US4224285 Exhaust system, alumina-coated stainless steel wool
09/23/1980CA1086241A1 Apparatus for purification of gasses
09/23/1980CA1086036A1 Method of attachment of a metallic end-piece to a tubular element
09/17/1980EP0015406A1 Filter cloth
09/16/1980US4222877 Utilization of non-woven fabrics in water treatment
09/09/1980US4221670 Filter for liquids
09/09/1980CA1085532A2 Microporous sub-micron filter media
09/09/1980CA1085531A1 Microporous sub-micron filter media
09/09/1980CA1085319A1 Filter for occupant restraint system fluid supply and method of assembling same
09/02/1980US4220553 Method of making filter block of an adsorbent and phenolic-polyurethane binder
09/02/1980US4220461 Low temperature synthesis of vitreous bodies and their intermediates
09/02/1980US4220458 Filter apparatus
09/02/1980CA1085097A1 Method and composition
08/1980
08/26/1980CA1084409A1 Particulate collection system
08/19/1980CA1083839A1 Pivotal connecting device for pivotally connecting an off-shore articulated column structure to a sea bottom
08/12/1980CA1083458A1 Moulded fibrous materials
08/05/1980US4215682 Melt-blown fibrous electrets
08/05/1980CA1082894A1 Method of preparation of ceramic foam
07/1980
07/29/1980US4214612 Tube of non woven material for reversed osmosis
07/29/1980CA1082625A1 Pressure-driven affinity sorption membranes
07/29/1980CA1082570A1 Metallized woven fabric
07/22/1980US4213858 Supporting net
07/22/1980US4213768 Nondestructive testing of HEPA filters
07/15/1980US4212746 Carboxylated neoprene latex containing zinc oxide, non-sticking
07/15/1980US4212733 Oil-water separation filters
07/15/1980CA1081422A1 Extrusion process of polytetrafluoroethylene tubing materials and apparatus therefore
07/08/1980US4211661 Fibwrous felt, bonding to substrate
07/01/1980US4210540 Improved filter tube
07/01/1980CA1080638A1 Filters for vehicle occupant restraint system fluid supplies
06/1980
06/26/1980WO1980001329A1 Process for collecting solid material present in gazeous,liquid or solid waste
06/25/1980EP0012627A2 Gas inflator structures, cooling filters therefor and methods of making such filters
06/24/1980CA1080132A1 Graduated particulate backwashable filter medium
06/17/1980US4208288 Filtering apparatus
06/17/1980CA1079789A1 Liquid absorbing assembly
06/10/1980US4207378 Expanded styrene-polymers and polyolefin micro-bits and their preparation
06/03/1980US4206034 Felted-cloth filter
06/03/1980CA1078749A1 Autogenously bonded filter assemblies and method of bonding same
05/1980
05/27/1980US4204967 Tubewell screen filters
05/27/1980CA1078118A1 Process for preparing a microporous polymer film
05/20/1980CA1077864A1 Filter elements for gas or liquid and methods of making such elements
05/13/1980US4202660 Glass-ceramic article and method of making same
05/06/1980CA1076912A1 Filter material
04/1980
04/29/1980US4200679 Micro-bits of expanded flexible polyurethanes
04/29/1980CA1076542A1 Flame resistant, gas resistant foam material
04/29/1980CA1076489A1 Reverse flow foam filter
04/22/1980CA1076041A1 Filters for liquids or gases
04/15/1980CA1075619A1 Non vertical cylindrical fiber bed separator
04/08/1980US4197208 Silica beads in matrix of cured cement
04/08/1980US4197156 Apparatus for producing hollow-cylindrically shaped fibrous articles
04/08/1980US4197100 Filtering member for filters
04/08/1980CA1075170A1 High temperature filter fabrics
04/03/1980WO1980000542A1 Process of filtration
04/02/1980EP0009141A1 Baglike filter element made from a porous textile web
04/01/1980US4196027 Method of making filter elements for gas or liquid
04/01/1980US4196005 Flame resistant phosphate compositions
03/1980
03/25/1980US4194945 Filtering material and process for producing same
03/20/1980WO1980000419A1 Core spun filtration roving