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)
04/1979
04/10/1979CA1052195A1 Production of dual walled microcapsules by reducing ph to polymerize aminoaldehyde precondensate
04/03/1979US4147605 Method of producing sols by electrodialysis
03/1979
03/20/1979CA1050715A1 Process for the production of free-flowing hollow beads
03/08/1979WO1979000111A1 Improved lipid-containing feed supplements and foodstuffs
03/07/1979EP0000903A2 Carbonless copying paper and manufacture thereof
03/06/1979US4143201 Carriers, core selected from pumice, alumina, glass, and silica
03/06/1979US4142404 Of microencapsulated color developer and color former
02/1979
02/27/1979US4141747 Large granule starch protective material for pressure sensitive microencapsulated coatings
02/27/1979CA1049335A1 Oil encapsulation process and product
02/27/1979CA1049334A1 Process for coating water soluble or water dispersible particles by means of the fluid bed technique
02/21/1979EP0000820A1 Process for obtaining large granule starch protective material for pressure sensitive microencapsulated coatings
02/20/1979US4140771 Precipitation of hydroxides, washing with polar and nonpolar solvents, calcining
02/20/1979US4140516 Encapsulation process employing phase transfer catalysts
02/20/1979US4140336 Product and process for reducing discoloration in carbonless copying systems
02/20/1979CA1048867A1 Encapsulation by urea/formaldehyde polymerization in presence of polyelectrolyte
02/13/1979US4139612 Process for making an aluminum phosphate gel
02/13/1979CA1048352A1 Cross-linked methylcellulose microcapsules and process for making
02/07/1979EP0000565A1 Aqueous solutions of copolymers, process for their preparation and their use as shell forming materials for the production of microcapsules by complex coacervation
02/06/1979US4138362 Formation of microcapsules by interfacial cross-linking, microcapsules produced, and microcapsular dispersion
02/06/1979CA1047827A1 Coating process
02/06/1979CA1047705A1 Release coating for glass manufacture
01/1979
01/30/1979US4137194 Capsular products
01/30/1979US4137092 Dispersion or suspension of solid phase in liquid phase
01/30/1979CA1047398A1 Fungicidal dispersions of carboxylic acid amides
01/24/1979EP0000424A1 Linear or branched ester-ether block copolymers and their use as surfactants either alone or in blends with conventional surfactants
01/09/1979CA1045936A1 Clear, elastic, water gels based on carrageenan
01/09/1979CA1045913A1 Preparation of microcapsules using dispersed polymer as outer shell
01/02/1979US4132666 Continuously feeding melts, emulsification in inert liquid, rapid cooling
01/02/1979US4132112 Pressure-measuring sheet
12/1978
12/26/1978CA1045287A1 Encapsulated isocyanurate catalyst
12/12/1978CA1044134A1 Microcapsule insecticide composition
11/1978
11/28/1978US4127622 Process for the preparation of hollow particulates
11/14/1978US4125478 Air treating gel employing amide polymer gelling agent
11/14/1978CA1042307A1 Stable suspension system for microencapsulated flowable formulations
11/07/1978US4124526 Alkali metal salts of polycarboxylate polymer, acidification
11/07/1978US4124471 Controlling silica sol particle size
11/07/1978CA1041905A1 Integral solid gel-lattice dosage form of high moisture content
10/1978
10/31/1978US4123382 Method of microencapsulation
10/31/1978US4123381 Process for producing cellulose microcapsules, and resulting cellulose microcapsules
10/24/1978US4122030 From selenous acid or an alkyl selenite, hydrazine-substituted polacrylic acid
10/17/1978US4120518 Carbonless copying papers
10/10/1978US4119565 Production of microcapsules, and the resulting microcapsules
10/10/1978CA1040018A1 Cross-linked hydroxypropylcellulose microcapsules and process for making
10/03/1978US4118336 Adsorber; from hydrolyzed cellulose esters semipermeable barrier layer
09/1978
09/26/1978US4116866 Reaction product of castor-fatty propylamido benzyl dialkyl ammonium compound and smectite clay
09/26/1978US4116336 Package containing a reference liquid for blood gas equipment
09/26/1978CA1039028A1 Production of freeze-dried metal salts
09/19/1978US4115474 Grafted, polymeric microcapsular system
09/19/1978US4115328 Process for making stable solvent-free, aqueous epoxy resin dispersions
09/19/1978US4115315 Mica coated with titanium dioxide
09/12/1978US4113362 Light valve, light valve suspension materials and suspension therefor
08/1978
08/29/1978US4110511 Process for the production of a pressure-sensitive carbonless copy sheet using microcapsules formed in situ in a radiation curable binder
08/22/1978CA1036932A1 Fungicidal dispersions of 2-methyl-5,6-dihydropyran-3-carboxylic acid anilide
08/15/1978US4107288 Injectable compositions, nanoparticles useful therein, and process of manufacturing same
08/15/1978US4107072 Process of isolating cyclohexane-free ethylcellulose microcapsules
08/15/1978US4107071 Method of producing microcapsules and resulting product
08/08/1978US4105823 Microcapsules, method for their preparation, and sheet material carrying microcapsules
08/08/1978US4105579 Reacting water soluble aluminum salt and alkaline earth carbonate
08/08/1978US4105578 Organophilic clay having enhanced dispersibility
08/08/1978US4105426 Silica, refractory metal oxides
07/1978
07/25/1978US4102806 Dispersion
07/25/1978US4102800 Alkylated phenol sulfide contained within capsule wall of crosslinked polyamide, polyurea, or polyamide-polyurea resin
07/18/1978US4101501 Hardenable one-component substance, method of producing and hardening same and its application
07/11/1978US4100103 In situ polymerization, microencapsulation
07/04/1978US4098114 Recording sheet
06/1978
06/27/1978US4097404 Process for providing encapsulated toner composition
06/06/1978US4093556 Urea-formaldehyde resin shell, n-hydroxyethyl t-fatty amine cationic surfactant
05/1978
05/23/1978US4091162 Adhesives
05/16/1978US4089834 Water-resistant micro-capsular opacifier system and products
05/16/1978US4089802 Capsule manufacture
05/16/1978US4089800 Thermoplastic resins
05/09/1978US4088648 Bis 1,4-(b-vinylso2 -propionyl)-piperazine
05/02/1978US4087581 Amino resins
05/02/1978US4087376 Capsule manufacture
04/1978
04/11/1978US4083798 Pourable, water in oil emulsion containing proteins and polysaccharides
04/04/1978US4082688 Process for producing microcapsules
03/1978
03/28/1978US4081384 Solvent-free capsules and fabric conditioning compositions containing same
03/14/1978US4078423 Pressure measuring sheet and method for pressure measurement using said sheet
02/1978
02/28/1978US4076892 Coated absorptive carbon, blood compatibility
02/28/1978US4076774 Catalysts
02/28/1978US4076538 Photographic materials
02/28/1978CA1027298A1 Macromolecular organic spheroid body, method of manufacture and use of same
02/21/1978US4075389 Opaque microcapsular release sheet
02/21/1978US4075138 Polymerization process and vinylidene chloride microspheres produced thereby
02/21/1978US4075134 Emulsion polymerization method for preparing microspheres having liquid center and seamless rigid walls
02/21/1978US4075020 Precipitation, conversion of silver chloride to a silver bromide
02/14/1978US4073833 Micelle-forming spermicidal nonionic surfactant, cellulose acetate, alkali and ammonium chlorides
01/1978
01/31/1978US4071467 Oxidation of trivalent to pentavalent antimony
01/24/1978US4070286 Macroporous microspheroids and a process for their manufacture
01/03/1978US4066568 Method of producing microcapsules
12/1977
12/13/1977US4062799 Spiroacetal diamine
12/06/1977US4061466 Biologically active composition and the use thereof
11/1977
11/22/1977US4059706 Spray-dried L-aspartic acid derivatives
11/22/1977US4059681 Stable dried aluminum hydroxide gel
11/22/1977US4059541 Oxidized platinum sulfite acid
11/22/1977US4059540 Process for making colloidal sols of antimony pentoxide in polar organic solvents
11/15/1977US4058434 Opacified paper sheet and method for production thereof
11/08/1977US4057509 Water, sulfur dioxide, dimensional stability
11/01/1977US4056610 Polyurea shell, pyrethroid, antioxidant, stabilizer, solvent, synergist
11/01/1977US4056478 Bearing material employing frangible microcapsules containing lubricant