Patents
Patents for B01J 13 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons (18,913)
08/1982
08/10/1982CA1129263A1 Microcapsules of polyvinyl alcohol with liquid, water-insoluble content and process for their manufacture
08/03/1982US4342665 Aqueous gel compositions
08/03/1982CA1128954A1 Viscosity increasing additive for non-aqueous fluid systems
07/1982
07/28/1982EP0056573A2 Rotary drum device for coating a loose product
07/21/1982EP0056219A1 A process for drying and expanding microspheres
07/20/1982US4340642 Surface modified hollow microspheres
07/20/1982US4340407 Method of forming cavitated objects of controlled dimension
07/07/1982EP0055576A1 Process for making lipid membrane structures
07/06/1982CA1127000A1 Emulsions
06/1982
06/30/1982EP0054832A1 A colloidal size hydrophobic polymer particulate having discrete particles of an inorganic material dispersed therein
06/29/1982US4337241 Lanolin acid and arginine, histidine or lysine as emulsifier
06/29/1982US4337169 Process for producing microcapsules
06/24/1982WO1982002005A1 Dry toner for electrostatography
06/24/1982WO1982001994A1 Implants,microbeads,microcapsules,and method for their preparation
06/23/1982EP0054396A1 Implants, microbeads, microcapsules, and method for their preparation
06/22/1982US4336170 Catalyzed reaction of residual formaldehyde from amino resin capsule wall
06/22/1982CA1126288A1 Block or graft copolymers
06/08/1982US4333849 Encapsulation process
06/02/1982EP0052733A1 Microcapsules containing wax compositions, their preparation and use
06/01/1982US4332790 Microcapsule containing a microorganism and a process for its production
05/1982
05/26/1982EP0052510A2 Microencapsulation of water soluble polypeptides
05/26/1982EP0052217A1 Process for stabilizing by encapsulation red phosphorus to be used as flame retardant of polymeric materials and product so obtained
05/18/1982CA1123815A2 Aluminosilicate powders
05/18/1982CA1123814A1 Aluminosilicate sols and powders
05/18/1982CA1123813A1 Aluminosilicate powders
05/12/1982EP0051161A1 Encapsulation by entrapment within starch adduct matrix
05/11/1982US4329241 Ferrofluids
05/11/1982CA1123308A1 Gel composition
05/04/1982US4328119 Method of making microcapsules
04/1982
04/28/1982EP0050264A1 Process for preparing microcapsules
04/27/1982US4327192 Microencapsulation in an aqueous-oil dispersion by polymerization of a monomer in the presence of a blowing agent
04/21/1982EP0049936A1 A method of encapsulating materials in a zeolite in a stable manner
04/20/1982US4325658 Comprising an ester and rosin or rosin derivative for use as a soil stabilizer or for sealing surfaces of foundry molds
04/20/1982CA1122077A1 Low temperature preparation of polymer microspheres
04/13/1982US4324817 Process for making carbonless copying paper
04/13/1982US4324767 Reversible redox systems, semipermeable capsules
04/13/1982US4324683 Encapsulation of labile biological material
04/06/1982CA1121159A1 Pressure-sensitive copying paper sheets
03/1982
03/31/1982EP0048354A1 A marking or labeling agent
03/30/1982US4322311 Process for producing controlled porosity microcapsules
03/24/1982EP0048100A1 Process for removing water from gel materials
03/24/1982EP0048099A1 Process for removing water from gel materials
03/24/1982EP0047804A1 Water-in-oil emulsions and process for preparing same
03/24/1982EP0047794A1 Process for the uniform close-formation coating of separate particles of free flowing material, and apparatus for carrying it out
03/09/1982CA1119445A1 Microcapsular electroscopic marking particles including a pressure fixable core and a pressure rupturable shell formed by interfacial polymerization
03/02/1982US4317743 Process for making microcapsules and resulting product
02/1982
02/24/1982EP0046415A1 Microcapsules for pressure-sensitive recording
02/23/1982CA1118647A1 Impregnated porous granules with slow release pore membranes and process therefor
02/16/1982CA1118301A1 Coatings
02/16/1982CA1118222A1 Microencapsulated trifluoralin
02/09/1982US4314924 Thixotropic agent for use in coating compositions
02/02/1982CA1117689A1 Polyethyleneimine/polyester dispersing agent
01/1982
01/06/1982EP0043037A1 Dispersion process
01/05/1982US4309213 Process of encapsulation by interfacial polycondensation
12/1981
12/29/1981US4308165 Starch ether having aralkyl groups
12/23/1981EP0042102A1 Process for preparing microcapsules
12/15/1981US4305970 Edible emulsions and process for their preparation
12/15/1981US4305851 Microencapsulated zinc salt of an unsaturated carboxylic acid
12/15/1981US4305838 Process for removing aldehyde from dispersions of microcapsules
12/09/1981EP0041210A1 Process for the preparation of pressure resistant microcapsules containing an outer polyamide wall and an inner structure of polyurethane-polyurea
12/02/1981EP0040770A1 Concentrated suspension of microcapsules, a process for its preparation and its use in transfer-copying paper
12/01/1981US4303736 Fillers
12/01/1981US4303729 Fillers
12/01/1981US4303603 Insulation
12/01/1981US4303548 Process for coating dispersed minute droplets with membrane
12/01/1981US4303433 Solar energy insulation
12/01/1981US4303432 Microspheres
12/01/1981CA1113232A1 Microencapsulated alkaloidal material
11/1981
11/24/1981US4302166 Droplet forming apparatus for use in producing uniform particles
11/24/1981CA1112976A2 Emulsifiers
11/17/1981CA1112537A1 Method of preparing a stable suspension of micronized solid particles in the oil phase of an oil-in-water emulsion such as a pigmented stain
11/11/1981EP0039441A2 Storage-stable micro-capsule suspensions that contain plant treatment agents, process for their production and their use
11/10/1981US4299958 Haloalkylation
11/10/1981US4299723 Carbonless copy paper, polyaddition product of an oxadiazinetrione diisocyanate and a diamine
11/10/1981US4299231 Used to secure electrodes to the skin in electrotherapy
11/04/1981EP0038985A1 Microcapsules having a specific opening temperature, method for their preparation and their application
11/04/1981EP0038979A1 Process for preparing ethylcellulose microcapsules
10/1981
10/28/1981EP0038585A1 Process for preparing microcapsules in a liquid vehicle
10/27/1981US4297246 Wherein said refractory oxide is ceria, zirconia, or titania
10/27/1981US4297235 Method of preparing a microcapsule dispersion
10/20/1981CA1110970A1 Oil-in-water or water-in-oil type emulsions, and cosmetics derived from said emulsions
10/20/1981CA1110929A1 Microencapsulation with modified aliphatic polyisocyanates
10/13/1981US4294921 Method of hardening gelatin
10/13/1981CA1110503A1 Encapsulation process employing phase transfer catalysts
10/06/1981CA1110064A1 Process for producing a pressure-sensitive carbonless copy sheet using microcapsules formed in situ in a radiation curable binder
10/01/1981WO1981002688A1 A liquid suspension of particles of a metal belonging to the platinum group,and a method for the manufacture of such a suspension
09/1981
09/23/1981EP0036155A2 Polymerisable phospholipids, process for their preparation, polymeric phospholipids, process for their preparation as well as the use of the polymeric phospholipids
09/22/1981CA1109258A1 Process for the production of novel radiation curable microcapsular coating compositions
09/15/1981US4289733 Apparatus for making silver halide grains
09/15/1981US4289646 1,1-Difluoro-2-chloroethylene as aerosol propellant
09/15/1981CA1108944A1 Capsule manufacture
09/15/1981CA1108943A1 Capsule manufacture
09/15/1981CA1108942A1 Capsule manufacture
09/01/1981US4287308 By encapsulating a blowing agent with a thermoplastic resin containing acrylonitrile units; unreacted acrylonitrile is eliminated by cyanoethylation
09/01/1981US4286890 Containing a curable epoxy resin and a curing agent for application to work surfaces
09/01/1981CA1107910A1 Aqueous fortified rosin dispersions
08/1981
08/25/1981US4286020 By spraying a film forming polymer of polyvinyl acetate, polyvinyl ether or an acrylic polymer
08/25/1981US4285720 Encapsulation process and capsules produced thereby
08/18/1981CA1107058A1 Electrically conductive viscoelastic gel
08/11/1981US4283438 By dispersing in oil, mixing in an aqueous solution and applying an alternating magnetic field