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| Number | Title | Issue Date |
| 4085236 | Process for producing electrostatic recording material A process for producing an electrostatic recording material which comprises kneading a hydrophobic pigment having a critical surface tension of 50 dynes/cm or less with an aqueous dispersion of a copolymer consisting of (I) 10 to 50% by weight of methacry... | 04/18/1978 |
| 4082681 | Magnetic developer for electrostatic photography and process for preparation thereof A developer for electrostatic photography comprising as indispensable components a fine powder of a magnetic material and a binder resin, said developer consisting essentially of a dry blend of (A) substantially spherical particles of a composition compri... | 04/04/1978 |
| 4080347 | Modified hot melting adhesive powders Preparing modified hot melting adhesive powders by adding melting point and fusion viscosity depressing agents in powder form to powdered polyamides, wherein the mixture granules are tempered until the added agents are distributed in the polyamide granule... | 03/21/1978 |
| 4077804 | Method of producing toner particles by in-situ polymerization and imaging process Processes for producing colored toner particles are provided comprising mixing a monomer, a colorant and an initiator to form an oil soluble organic phase; dispersing this oil soluble phase in controlled size between 5 to 20 microns in a water phase, empl... | 03/07/1978 |
| 4076892 | Treatment of particulate carbon Particulate porous absorptive material such as carbon is coated with a biocompatible polymer to give a thin (e.g. 1-10 micron) smooth permeable coating without plugging the pores. The resulting material is free from fines and surface debris and useful for... | 02/28/1978 |
| 4074005 | Flock treatment Flock is treated with a metal salt of a long chain aliphatic acid to control static charges, increase flow and reduce waste. The salt may be applied from a water solution, or from an aqueous mixture of the metal and the acid under high shear mixing condit... | 02/14/1978 |
| 4066539 | Oil-recovering material and process for preparing and using the same Atactic polypropylene is cooled, disintegrated into granules, mixed with cereal powders such as wheat flour, starch powders, etc. thereby to deposit the cereal powders around the granules, and returned to room temperature thereby to prepare an oil-recover... | 01/03/1978 |
| 4063884 | Durably flame proofed textile materials Normally flammable fabrics, such as fabrics composed of polypropylene and polyamides such as polycaproamides, poly(m-phenyleneisophthalamides) and the like which have been rendered flame proof by the intimate association therewith of a flame proofing amou... | 12/20/1977 |
| 4046741 | Post-treatment of polyurea microcapsules Post-treatment of microcapsules having polyurea walls with ammonia or amines to reduce the residual isocyanate level and modify permeability of the microcapsule wall. Flowable formulations of the polyurea microcapsules then can be stored at pH values belo... | 09/06/1977 |
| 4042529 | Composition and method for enhancing dispersibility of water soluble polymers A water dispersible particulate organic polymer is coated with a polyvinyl lactam-containing polymeric material to provide a particulate material which is readily dispersible in aqueous solutions with a minimum of agglomeration of the water soluble polyme... | 08/16/1977 |
| 4040967 | Method of fracturing subterranean formations penetrated by a well A water dispersible particulate organic polymer is coated with a polyvinyl lactam-containing polymeric material to provide a particulate material which is readily dispersible in aqueous solutions with a minimum of agglomeration of the water soluble polyme... | 08/09/1977 |
| 4040996 | Method of incorporating processing additives in polyvinyl chloride resins and emulsion for use therein Processing additives are incorporated in polyvinyl chloride resins to form molding compositions by preparing an aqueous emulsion wherein the additives such as lubricants and stabilizers are in the disperse phase and then mixing an aliquot portion of the e... | 08/09/1977 |
| 4040997 | Method for incorporating processing additives in polyvinyl chloride resins and additive concentrate for use therein Processing additives are incorporated in polyvinyl chloride resin by preparing an additive concentrate in free-flowing powder form and mixing an aliquot portion thereof with a batch of polyvinyl chloride powder in a high shear mixer to form a molding comp... | 08/09/1977 |
| 4027067 | Anti-blocking treatment for tacky particle-form polymers using aqueous composition of polyhydrocarbylsiloxane and alkali metal salt of higher carboxylic acid Tacky particle-form polymers are treated with a silicone/water/alkali metal caboxylate emulsion.... | 05/31/1977 |
| 4020133 | Anti-lumping coating for polystyrene beads A complex is formed by the reaction of an aluminum salt such as aluminum sulfate with a high molecular weight (for example, above 60,000 M.W.) collagen. Collagen-aluminum complex is dispersed in water and serves as suspension agent for suspending polystyr... | 04/26/1977 |
| 4018946 | Production of heat-expandable styrene-polymer bit-pieces Methods for producing expandable discrete styrene-polymer bit-pieces impregnated with a liquid aliphatic impregnant which volatizes below said polymer's softening point are disclosed. Specifically, the disclosed methods include mixing a quantity of the st... | 04/19/1977 |
| 4016099 | Method of forming encapsulated toner particles A method is provided for forming encapsulated particles comprising forming a dispersion of core material in a solution of wall material in a solvent; drowning said dispersion in at least one liquid which is miscible with the solvent and in which at least ... | 04/05/1977 |
| 4011355 | Emulsion coating for lightweight aggregate A coated, lightweight aggregate for mixing with cement, sand and water for producing a lightweight construction material is provided in which expanded polystyrene beads are coated with a mixture formed of dehydrated lime and hydrated alumina with water in... | 03/08/1977 |
| 3987218 | Process for decreasing the hygroscopicity of polycarboxylates A process for decreasing the hygroscopicity of a polycarboxylate, said process comprising preparing a melt of a composition having a melting point of about 40° - 120° C, said composition giving an acid or neutral pH in an aqueous solution or suspension,... | 10/19/1976 |
| 3976808 | Imaging systems Liquid developer compositions for use in developing a recording surface bearing an electrostatic latent image comprising finely divided colored marking particles substantially homogeneously dispersed in a carrier liquid, the colored marking particles comp... | 08/24/1976 |
| 3973060 | Process of applying non-adhesive coatings to plastics A process for coating moldings of plastics which tend to stick together at room temperature by applying solutions containing a nonadhesive resin of (1) a copolymer of at least one member of the group consisting of styrene and methylstyrene and a monoester... | 08/03/1976 |
| 3971863 | Coated heat fusible injection moldable phenol-aldehyde pellets Phenol-aldehyde injection moldable pellets are disclosed which are coated with a composition which comprises (1) a metallic salt of a long chain fatty acid of 8-20 carbon atoms and (2) a material selected from the group consisting of (a) an alkyl ester of... | 07/27/1976 |
| 3967005 | Method for enveloping pellets of foamed poly-styrene suitable for producing lightened manufactured articles of cement Method and related means for enveloping pellets of foamed polystyrene suitable for producing lightened manufactured articles of cement, wherein the pellets are introduced into a mixing unit at a first station thereof and then passed to a station for water... | 06/29/1976 |
| 3962397 | Production of reflexible pigment A process for preparing a reflexible pigment consisting of a metal deposition layer and resinous coating layer on at least one side thereof and having a length and width of 0.1 to 500 μ, a thickness of 0.1 to 4 μ and a true specific gravity of 1 to 2, w... | 06/08/1976 |
| 3947996 | Method of coating seeds to control germination and the resultant coated seeds A plant seed having a controlled germination time is prepared by enveloping the seed in a continuous coating of a film forming composition comprising a water insoluble polymer and polyvinyl alcohol with said coating being of a thickness of from about 0.01... | 04/06/1976 |
| 3947612 | Method of forming active surfaces on solids A method of forming an active surface on a solid, e.g. for use of the solid as an adsorbent, catalyst carrier or contact or reactant catalyst, comprising adding a mixture of binders to a solution or suspension of an activatable substance (reactant), the b... | 03/30/1976 |
