U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6060700

Microwave Oven With Removable Storage Cassette in Dashboard of Motor Vehicle

A microwave oven adapted for use within a motor vehicle dashboard area. The microwave oven has a removable storage cassette, and slidable platforms for securing and serving containers of beverages and foods.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 210/500.29 - Cellulosic


Subclass of Class 210 - Liquid purification or separation
Definition: Subject matter comprising the structure known as cellulose,
No. of patents: 229
Last issue date: 11/04/2008


          6  
NumberTitleIssue Date
4247401Reverse osmosis separation process using porous asymmetric acetyl cellulose membrane
A method for the separation of organic or metallo-organic substances from salts by reverse osmosis is provided. The membranes used are asymmetric acetyl cellulose membranes modified by covalently bonded residues of reactive dyestuffs containing ionizable ...
01/27/1981
4246221Process for shaped cellulose article prepared from a solution containing cellulose dissolved in a tertiary amine N-oxide solvent
A solution containing cellulose dissolved in a tertiary amine N-oxide solvent containing a nonsolvent for cellulose such as water is shaped by extrusion or other shaping process to form a shaped cellulose fiber, rod, plate, tubing or film. The extruded sh...
01/20/1981
4244824Molded body with inclusions
A molded polymer body with very fine, discrete, solid particles composed of a metal, metal compound or a mixture of the same incorporated within the molded body in a uniform pattern of distribution, substantially free of agglomeration, as obtained by a pr...
01/13/1981
4242159Process for the production of composite membranes
A process for the production of a composite membrane consisting of a porous supporting membrane and a thin separating membrane. The separating membrane is produced on the surface of a carrier film (consisting essentially of a soluble polymer). The carrier...
12/30/1980
4239545Cellulose derivative reverse osmosis membrane and casting solution and additive for preparing the same
Cellulose derivative reverse osmosis membrane containing tetracarboxylic acid and mono- or divalent carboxylic acid....
12/16/1980
4234431Membrane filtration type hollow fibers and method for the preparation of same
The invention concerns a membrane filtration type hollow fiber. It is composed of a single material phase which material is a chain high polymer such as cellulose acetate and capable of forming fibers by the spinning of the high polymer. The cylindrical w...
11/18/1980
4234528Asymmetrical ultrafiltration membrane based on cellulose hydrate
An asymmetrical ultrafiltration membrane based on cellulose hydrate which may be dried without destructive shrinkage and which has been saponified without reduction in flow-through or separation performance is prepared by adding hydrophobic synthetic sili...
11/18/1980
4231877Blood dialyzer
The invention relates to a blood dialyzing apparatus comprising at least one bundle of semi-permeable hollow filaments and a cylindrical housing positioning said bundle of filaments and having a large length to inside diameter ratio of 7 to 10....
11/04/1980
4219517Process for spinning dense hollow fiber cellulosic membrane
A dense hollow fiber cellulosic membrane which possesses outstanding permeability and strength characteristics and the method of preparation thereof is disclosed....
08/26/1980
4217227Semipermeable membranes of copolyamides
The invention relates to semipermeable membranes with a water absorption capacity of from 4.5 to 10% by weight preferably from 4.5 to 8% by weight as measured on approximately 40μ thick symmetrical films at room temperature and 65% relative air humidity,...
08/12/1980
4214994Reverse osmosis membrane
In a reverse osmosis membrane of the structure of Loeb's membrane for use to purify sea-water into plain water, the membrane comprises a skin layer as an active layer and a gel layer to support the skin layer, wherein an improvement of flux, that is the (passi...
07/29/1980
4210529Blood compatible polymers and applications thereof
Fluoroacylation of ethyl cellulose has been found to result in good gas permeability and blood compatibility for polymeric layers made from the resulting fluorinated esters. The fluoroacylated ethyl cellulose has good hydrolytic stability at blood pH and ...
07/01/1980
4206050Membrane unit and apparatus for removing metabolite contaminants from blood
A membrane unit and apparatus for removing toxic metabolites and metabolites normally present in urine from blood is disclosed. The unit comprises an arrangement of at least one permselective membrane and a fluid-absorbing and/or fluid-draining carrier co...
06/03/1980
4191805Method of forming a layer of material from a solution
A method of forming a layer of material from a solution containing the material and a solvent which comprises the steps of forming the solution into a layer, contacting at least one major face of the solution layer with a wall which is permeable over the ...
03/04/1980
4183811Membrane unit and device for cleansing blood
A membrane unit and apparatus for removing toxic metabolites and metabolites normally present in urine from blood is disclosed. The unit comprises a cavity through which the contaminated blood passes, said cavity comprising at least one permselective memb...
01/15/1980
4176070Semi-permeable membranes of regenerated cuprammonium cellulose and method for heat sterilization thereof in physiological saline
Semi-permeable membranes of regenerated cellulose are subjected to wet-heat sterilization at a temperature of 105° to 140° C. During the treatment, the membranes are maintained in contact with an aqueous medium such as water or physiological saline. For...
11/27/1979
4163714Separating substances with pressure-driven affinity sorption membranes
Pressure-driven affinity sorption membranes are prepared from a membrane filter composed of an insoluble matrix polymer or an interpolymer composite and used for separation and purification by passing therethrough solutions containing mixtures, one or mor...
08/07/1979
4148734Filter material and process for producing same
This invention relates to filter material consisting substantially of a microporous and/or macroporous sheet structure obtained by coagulation of a polymer solution in which at least one surface area of the sheet structure is abraded more or less, dependi...
04/10/1979
4128470Supports for electrophoresis and process for the production of the same
A support for electrophoresis comprising a porous polymer film having an electroendosmosis factor of 0 to plus about 10 mm, and a process for the production of the support comprising adding a nonionic surface active agent and/or cellulose ether to a mixed...
12/05/1978
4127625Process for preparing hollow fiber having selective gas permeability
Asymmetric hollow fibers useful for effecting separations are prepared by spinning a solution of a fiber-forming cellulose derivative through the outer tube of a double tube-type spinneret into an aqueous coagulating bath to form a hollow fiber and simult...
11/28/1978
4105731Method of embedding an end of a bundle of thread-like bodies in a molding material and controlling capillary action by said material
An end portion of a bundle of thread-like bodies to be set is dipped into a solidifiable liquid. At least a part of said bundle, adjacent to the predetermined level of the solidifiable liquid, is contacted with a specific liquid or gas which substantially...
08/08/1978
4097383Process for production of microporous sheet
A process for producing a microporous sheet comprising peeling off a microporous sheet of a resin bonded to a plate from the plate in such a manner that the microporous sheet is split into two sheets....
06/27/1978
4092250Filters for the selective collection of metallic ions
Filters for the selective collection of metallic ions, comprising a water-permeable, thin layer film made from pulp or fiber having the metallic ion collecting groups chemically linked thereto which are made up of a polar group containing an oxygen, nitro...
05/30/1978
4083904Method for manufacturing phosphorylated cellulose ester membranes for use in the separation or concentration of substances
A novel phosphorylated cellulose ester membrane containing 0.1 to 10% of phosphorus and having a selective permeability. This permselective phosphorylated cellulose ester membrane consists essentially of a phosphorylated cellulose ester obtained by reacti...
04/11/1978
4073754Polymer alloys of phosphonylated polystyrene or polyphenylene oxide with cellulose ester, polystyrene, or unsaturated polyester
Polymer alloys of a phosphorus-containing polymer component having the formula: ##STR1## WHEREIN X is hydrogen or halo; Z and Z' are each hydrogen or a phosphonate group PO(OR)(OR1) in which R and R1 are each alkyl or aryl, but ...
02/14/1978
4073833Encapsulation process
An improved process for releasably enclosing a solution of a micelle-forming surfactant in a receptacle comprising a microporous cellulose membrane is provided....
02/14/1978
4046843Process for preparing membranes for separation of substances
A semipermeable membrane is obtained by casting a cast solution comprising a mixture of a water-insoluble high polymer and a water-soluble high polymer, a mixture of a water-insoluble high polymer and a water-soluble surfactant or a mixture of a water-ins...
09/06/1977
4008047Blood compatible polymers for blood oxygenation devices
Fluoroacylation of ethyl cellulose has been found to result in good gas permeability and blood compatibility for polymeric layers made from the resulting fluorinated esters. The fluoroacylated ethyl cellulose has good hydrolytic stability at blood pH and ...
02/15/1977
3962212Phosphorylated cellulose ester membrane for use in separation or concentration of substances
A novel phosphorylated cellulose ester membrane containing 0.1 to 10 % of phosphorus and having a selective permeability. This permselective phosphorylated cellulose ester membrane consists essentially of a phosphorylated cellulose ester obtained by react...
06/08/1976
          6  
 
Sign InRegister
Username  
Password   
forgot password?