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)
08/1981
08/11/1981US4283318 Emulsified, high boiling, crosslinked rubber, oil
08/11/1981CA1106806A1 1,1-difluoro-2-chloroethylene as aerosol propellant
08/11/1981CA1106761A1 Process for producing aluminum hydroxide gels and resulting product
07/1981
07/29/1981EP0032578A1 Process and dialysis-installation for the preparation of bilayer-vesicles and their use
07/28/1981US4280833 Encapsulation by interfacial polycondensation, and aqueous herbicidal composition containing microcapsules produced thereby
07/23/1981WO1981001964A1 Water dispersions
07/21/1981US4279632 Method and apparatus for producing concentric hollow spheres
07/14/1981US4278206 Non-pressurized dispensing system
07/14/1981CA1105043A1 Organophilic clay gellant
07/14/1981CA1104905A1 Elastic detergent bar containing anionic and amphoteric synthetic: organic detergents
07/14/1981CA1104882A1 Encapsulation process
07/14/1981CA1104881A1 Process for producing microcapsules having secondary capsule walls and microcapsules produced thereby
07/07/1981US4277364 Encapsulation by entrapment
06/1981
06/30/1981EP0015293A4 Method and apparatus for producing hollow microspheres.
06/30/1981CA1104030A1 Emulsion process
06/30/1981CA1104029A1 Solids dispersions which can be easily distributed in hydrophobic and hydrophilic media and are stable to flocculation, and their use
06/23/1981CA1103825A1 Process for the production of microcapsular coating compositions containing pigment particles and compositions produced thereby
06/16/1981US4273672 Microencapsulation process
06/16/1981CA1103226A1 Hydrosol and catalyst preparation
06/09/1981US4272398 Microencapsulation process
06/09/1981CA1102504A1 Self-complexing galactomannan gums
05/1981
05/26/1981US4269729 Microencapsulation process and resulting microcapsules
05/19/1981US4268411 Microcapsules having a wall of inorganic substance and process for the preparation thereof
05/12/1981US4267235 Labels; immunoassay; crosslinking
04/1981
04/21/1981CA1099611A1 Process for making colloidal sols of antimony pentoxide in polyhydroxy alcohols
04/21/1981CA1099597A1 Production of microcapsules
04/15/1981EP0026914A1 Process for the production of microcapsules, microcapsules obtained by this process, use of the microcapsules in the production of pressure sensitive recording papers and pressure sensitive recording system
04/14/1981CA1099178A1 Process and apparatus for the coalescence separation of emulsions
04/14/1981CA1099101A1 Process for the production of a pressure-sensitive carbonless copy sheet using microcapsules formed in situ in a radiation curable binder
04/07/1981US4260515 Process for hardening microcapsules
03/1981
03/31/1981CA1098410A1 Process for the preparation of liposomes in aqueous solution
03/19/1981WO1981000785A1 Cohesive nonsticky electrically conductive gel composition
03/18/1981EP0025379A2 Process for the preparation of suspensions or stable powders of stable microcapsules having a variable porosity, and products so obtained
03/17/1981US4256785 Pellet coating process
03/03/1981US4254104 Process for preparing stable oil-in-water emulsions
03/03/1981US4253877 Crosslinking gelatin and gum acacia
03/03/1981US4253682 Dye precursor encapsulated in the polyaddition product of a diamine and a diisocyanate of oxadiazinone
03/03/1981CA1096892A1 Refractory materials
02/1981
02/24/1981US4252708 Mechanically activateable one-part liquid resin systems
02/24/1981US4252677 Preparation of colloidal dispersion of nickel, palladium and platinum by the polymer-catalyzed decomposition of carbonyl compounds thereof
02/17/1981US4251387 By polymerization of hydrophilic and hydrophobic monomers in immiscible solvents
02/17/1981US4251386 By polymerization of urea and formaldehyde in an anionic polyelectrolyte and an ammonium salt of an acid
02/17/1981US4251195 Apparatus for making miniature capsules
02/17/1981CA1095717A1 Process for the production of radiation curable coating compositions containing microcapsules
02/11/1981EP0023828A1 A process for microencapsulating a water-immiscible substance and anti-fouling marine paint compositions prepared therewith
02/11/1981EP0023613A2 Chemical carbon paper
02/04/1981EP0023302A2 Spray drying of microcapsule dispersions
01/1981
01/27/1981CA1094402A1 Discrete polyurea microcapsules
01/13/1981US4244836 Process for manufacturing microcapsules of polyvinyl alcohol with liquid water-insoluble content
01/13/1981CA1093259A1 Foams for treating fabrics
01/07/1981EP0021575A1 Method, apparatus and use for nebulisation of liquids
01/07/1981EP0020530A1 Centrifuge apparatus and method for producing hollow microspheres
01/07/1981EP0020431A1 Special products for dispersions and manufacturing process thereof
12/1980
12/30/1980US4242328 Dried aluminum hydroxide gels, solvents
12/30/1980US4242240 Compositions intended for the flameproofing of plastics
12/23/1980US4241112 Organometallic catalyst for olefin polymerization in the vapor phase
12/16/1980US4239646 Microspheric opacifying agents and method for their production
12/16/1980US4239519 Inorganic gels and ceramic papers, films, fibers, boards, and coatings made therefrom
12/16/1980CA1091536A1 Emulsion breaking
12/02/1980CA1090570A1 Carbonless copying papers
11/1980
11/18/1980US4234450 Preparation of non-fluidizable composition
11/18/1980US4234437 Lyotropic liquid crystal as suspension stabilizer
11/18/1980US4234432 Bimodal particle size distribution, gelled liquid, fire extinguishing
11/12/1980EP0018410A1 Method and apparatus for producing hollow plastic microspheres
11/11/1980US4233178 Micro-capsules and method for their production
11/04/1980US4231893 Process for preparing aqueous dispersion of ceria and resulting product
11/04/1980US4231875 Diffusion apparatus utilizing tubular semi-permeable membrane
10/1980
10/30/1980WO1980002293A1 Non-pressurized dispensing system and composition
10/29/1980EP0018137A1 A composition containing a dispensible material,a method of dispensing a material onto a surface and a system for dispensing the composition
10/28/1980US4230809 Pressure-resistant polyurethane-polyurea particles for the encapsulation of active ingredients and process for their manufacture
10/28/1980US4230687 Encapsulation of active agents as microdispersions in homogeneous natural polymeric matrices
10/21/1980CA1087959A1 Aqueous multiphase dispersions and preparations thereof
10/15/1980EP0017409A1 Encapsulation by interfacial polycondensation
10/15/1980EP0017386A1 Self-contained pressure sensitive recording paper
10/15/1980EP0016818A1 Method for compressing gaseous materials in a contained volume
10/14/1980US4228031 Polyamine-epoxy resin dispersion
10/14/1980CA1087593A1 Macroporous microspheroids and a process for their manufacture
10/01/1980EP0016659A1 Inorganic gels and ceramic papers, films, fibres and boards; processes for production thereof
10/01/1980EP0016378A1 Process for the continuous preparation of microcapsules
10/01/1980EP0016366A1 Method for preparing microcapsules
09/1980
09/30/1980US4225460 Latent Lewis acid catalyst system and process
09/30/1980CA1086460A1 Encapsulation process
09/23/1980US4224212 Dispersing agents, dispersions containing these agents and paints and inks made from the dispersions
09/23/1980US4224179 Process for the preparation of liposomes in aqueous solution
09/23/1980US4224178 Method for reducing the crystallinity of a stabilized colloidal composition
09/17/1980EP0015293A1 Method and apparatus for producing hollow microspheres.
09/16/1980US4223070 Coating first with a liquid and a polyisocyanate then an aqueous solution of a polymerization catalyst
09/16/1980US4222891 Method of making oil-containing microcapsules
09/16/1980CA1085988A1 Delayed-tack polymeric adhesive compositions
09/16/1980CA1085685A1 Method of encapsulating water-soluble material
09/09/1980US4221862 Method of producing finely divided polymer particles
09/09/1980US4221710 Pressure sensitive recording sheet
09/09/1980US4221182 Fluidized bed gas coating apparatus
09/09/1980CA1085238A1 Post-treatment of polyurea microcapsules
09/02/1980US4220552 Method of producing delayed release of sodium fluoride
09/02/1980CA1084872A1 Method of producing silica sols by electrodialysis
09/02/1980CA1084783A1 Process for encapsulation by interfacial polymerization
08/1980
08/26/1980US4219604 Method of forming microcapsules, microcapsular dispersion, and pressure sensitive recording sheet
08/26/1980US4219439 Controlling aggregation by agitation of suspension during cooling process
08/26/1980US4219411 Cell sorting apparatus