Class 264/215 - By dipping the forming surface into the forming material

Subclass of Class 264 - Plastic and nonmetallic article shaping or treating: processes
Definition: Processes wherein the forming surface is dipped or immersed
No. of patents: 25
Last issue date: 02/28/2012

Number	Title	Issue Date
8123992	Process of forming multilayered structures The present invention provides for a method of producing an integral multilayered porous membrane by simultaneously co-casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath ...	02/28/2012
8043541	Systems and methods of installing hook fastener elements in a mold assembly Various embodiments of a mold assembly system include a mold defining at least one trench along a surface of the mold and two or more hook fastener elements disposed on the surface of the trench in an end-to-end relationship. Each hook fastener elements includes: (1...	10/25/2011
8012391	Process for the production of reinforced and cast, cellular or foamed concrete bodies and reinforcement support frame for the use in such a process The invention relates to a process for the production of cellular or foamed, cast concrete bodies that are reinforced with metallic reinforcements, and to a reinforcement support frame for use in the production of cellular or foamed, cast concrete bodies that are re...	09/06/2011
7211272	Drug delivery device A drug delivery device for placement in the eye includes a drug core comprising a pharmaceutically active agent, and a holder that holds the drug core. The holder is made of a material impermeable to passage of the active agent and includes an opening for passage of...	05/01/2007
6256149	Lenticular lens sheet and method of making A method is provided for producing lenticular lens sheets having improved optical characteristics. The method includes the steps of providing a platen having a series of grooves formed therein so as to define a series of parallel ridges, positioning a she...	07/03/2001
6218015	Casting mixtures comprising granular and dispersion fluoropolymers An electrical circuit board fluoropolymer substrate and method of manufacture thereof, comprising a fluoropolymer matrix that includes a mixture of a granular first fluoropolymer resin and a dispersion second fluoropolymer resin. Preferably, the first and...	04/17/2001
6126826	PVDF microporous membrane and method Methods for making microporous polyvinylidene fluoride (PVDF) membranes from vinylidene fluoride polymers and the products produced. The PVDF microporous membranes have a significantly faster flow rate at a given pore size as compared to equally-sized mic...	10/03/2000
5910275	Process for producing a sponge cloth A sponge cloth of decrystallized cellulose modified by the acetyl group content, where the average degree of substitution is 0.2 to 1.5. The cloth does not contain any organic or inorganic sulfur compounds. The sponge cloth is produced by treating wood pu...	06/08/1999
5728340	Process for polyesterurethaneurea thin-walled articles Certain polyester-based polyurethaneureas in solutions of organic solvent at a 12 to 20% concentration are particularly suited for use in a mandrel-dipping process for producing thin-walled elastic articles, such as surgical gloves, which are more resista...	03/17/1998
5629369	Fast processing water based binder system The invention relates to a water based binder for use in a slurry for investment casting. The binder includes a mixture of a colloidal silica sol and at least one latex polymer. The latex polymer is preferably an acrylic latex or a styrene butadiene polym...	05/13/1997
5607982	Flexible open-cell polyurethane foam A flexible open-cell polyurethane is described that is the reaction product of a mixture comprising (a) a polyisocyanate component comprising monomeric or polymeric MDI, and (b) a polyol component having at least 50% of its 0H functional groups as secondary OH...	03/04/1997
5391343	Thin-walled articles of polyurethaneurea Certain polyether-based or polyester-based polyurethaneureas in solutions of organic solvent at a 12 to 20% concentration are particularly suited for use in a mandrel-dipping process for producing thin-walled elastic articles, such as surgical gloves, whi...	02/21/1995
5288517	Method of forming planar membrane A method of forming a lipid planar membrane of a bilayer membrane composed of lipid and protein comprises the step of immersing a substrate, which has a long-chain hydrocarbon group at least on the surface of one side thereof, in a suspension of liposome ...	02/22/1994
5173225	Method for making ultra-thin dense skin membrane A ultra-thin dense skin gas-controlling membrane that is impermeable to liquids, bacteria, and viruses, yet is permeable to small molecular weight gases, such as O2, CO2, NH3, N2, and water vapor, and a method f...	12/22/1992
5075065	Method for manufacturing of cast films at high productivity A method is provided for preparation of a fluoro-polymeric film on a carrier, covering: (a) preparing an aqueous dispersion of polymeric material; (b) dipping a fluoropolymer pre-treated carrier belt through the dispersion so that a coating of the dispersion i...	12/24/1991
5039750	Natural rubber latex film products with improved tear resistance Natural rubber latex compounds are modified by the addition of a high styrene content styrene-butadiene copolymer. The films prepared from these modified NR latex compositions exhibit improved tear strength and a good balance of other properties....	08/13/1991
4883716	Method for manufacture of cast fluoropolymer-containing films at high productivity A method is provided for preparation of a fluoropolymeric film on a carrier, comprising: (a) preparing an aqueous dispersion comprising a fluoropolymer; (b) dipping a carrier belt through the dispersion such that a coating of the dispersion is formed on the ca...	11/28/1989
4543424	Process for preparing substituted formamides In the process of preparing substituted formamides by the catalytic oxidation of substituted tertiary amines, in which a metal halide catalyst is used in conjunction with an alkali metal halide corrosion inhibitor, pitting of equipment can be inhibited by...	09/24/1985
4284444	Activated polymer materials and process for making same This invention concerns non-porous, polymeric articles having active properties, and methods for producing such articles. Plastic, rubber, or other natural and synthetic polymeric articles are provided with active chemical and/or physical properties, such...	08/18/1981
4280970	Polyoxyethylene grafted membrane materials with grafting links derived from a diisocyanate Membrane forming polymers are converted to hydrophilic polymeric membranes by (a) grafting a polyoxyethylene chain to a membrane forming polymer structure and thereafter forming a membrane; (b) coating a membrane with a polymer to which a polyoxyethylene ...	07/28/1981
4266999	Catheter for long-term emplacement A cannula/catheter is provided which is suitable for long term or semi-permanent through-the-skin function while permitting tissue ingrowth which promotes healing and seals out sources of infection. The catheter is provided with a sheath formed of an elas...	05/12/1981
4262732	Apparatus and process relating to manufacturing of a filament directly from a molten material The invention relates to an improvement of a manufacturing process for making a filament directly from a molten material. The process consists of the ejection of a liquid filament which solidifies in air by making a rotating disc touch the surface of a li...	04/21/1981
4247006	Capsule body, in particular for use with a joined capsule for a pharmaceutical preparation, and method of and apparatus for producing it Capsule body, in particular for use with a joined capsule for a pharmaceutical preparation, and method of and apparatus for producing it....	01/27/1981
4194887	Fused alumina-zirconia abrasive material formed by an immersion process Process for the manufacture of abrasive material in which (1) an abrasive mix is brought to fusion as in an electric arc furnace, (2) a relatively cold substrate is dipped into the molten material whereby a layer of solid abrasive material is quickly froz...	03/25/1980
4125425	Method of manufacturing flat tapes of crystalline silicon from a silicon melt by drawing a seed crystal of silicon from the melt flowing down the faces of a knife shaped heated element A method of manufacturing bodies from meltable crystalline material in which a continuous tape of said material is manufactured by causing melted material to flow along at least one surface of a heated element, which surface is wetted by the melted materi...	11/14/1978

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Class 264/215 - By dipping the forming surface into the forming material