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

Icon_funbox Bizarre Patents

Patent No. 5285430

Behavior Modification Wristwatch

A wristwatch including a watch band and a watch body having an octagon shaped perimeter and being red in color and having the word STOP thereon to resemble a stop sign.

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 205/749 - With recycle or reuse


Subclass of Class 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
Definition: Subject matter in which material is either circulated outside
No. of patents: 28
Last issue date: 06/17/2008


NumberTitleIssue Date
7387719Mediated electrochemical oxidation of biological waste materials
Mediated electrochemical oxidation to treats, oxidizes and destroys biological waste, medical, infectious, pathological, animal, sanitary, mortuary, ship, veterinary, pharmaceutical and combined waste. Electrolytes contain oxidized forms of reversible redox couples ...
06/17/2008
7090753Electrolytic cell for producing charged anode water suitable for surface cleaning or treatment, and method for producing the same and use of the same
The present invention provides an electrolytic cell, which can efficiently produce, charged water having an excellent performance of improving surface cleaning or treatment of an object, e.g., semiconductor, glass, or resin and of cleaning and sterilizing medical de...
08/15/2006
7077962Method and apparatus for parallel desalting
Parallel desalting (PDS) includes a hybrid membrane softening (MS) system for de-mineralizing water for residential and commercial use. Parallel desalting produces “soft” water without the use of salt, or any other liquid chemical reagent normally used to carry ...
07/18/2006
6436261Electric deionizing apparatus and process for deionization using the same
An electric deionizing apparatus comprising a first and a second electric deionizing apparatus arranged in series, in which water is deionized by the first electric deionizing apparatus and then deionized by the second electric deionizing apparatus, and a...
08/20/2002
6402932Mediated electrochemical oxidation of biological waste materials
A mediated electrochemical oxidation process is used to treat, oxidize and dispose of biological waste materials. Waste materials are introduced into an apparatus for contacting the waste with an electrolyte, which comprises one or more oxidizing species ...
06/11/2002
6294073Manufacturing method and apparatus of alkaline ionized water
A manufacturing method and apparatus of strongly alkaline ionized water exceeding pH 12.0 by electrolysis of water. As an electrolysis solution supplied to a cathode cell of an electrolytic bath, alkaline ionized water produced in the cathode cell is used...
09/25/2001
6277266Device for producing ion water and partition wall for device for producing ion water
A device for producing ion water comprises an electrolytic cell; two partition walls disposed such that the electrolytic cell is partitioned into three electrolytic chambers, having an ion exchange membrane; an anode provided in an intermediate electrolyt...
08/21/2001
6210558Steel pickling process in which the oxidation of the ferrous ion formed is carried out electrolytically
Stainless steel pickling process in which a pickling solution containing HF and Fe3+ ions as essential components is used, and wherein the oxidation to Fe3+ of the Fe2+ formed during the process in order to maintain the Fe...
04/03/2001
5961803Leaching process
An increasing problem with the pulping chemical recovery system, is the presence of chloride and potassium in the recovery boiler. Chloride and potassium increase inter alia the stickiness of carryover deposits and dust particles to the recovery boiler tu...
10/05/1999
5911868Mediated electrochemical oxidation of organic wastes using a Co (III) mediator in a nitric acid based system
An electrochemical cell with a Co(III) mediator and nitric acid electrolyte provides efficient destruction of organic and mixed wastes. The organic waste is concentrated in the anolyte reservoir, where the mediator oxidizes the organics and insoluble tran...
06/15/1999
5876590Electrochemical leaching of soil
An electrochemical leaching system for cleaning contaminated fines. The system has a waste vessel for receiving and holding a contaminated fines and lixiviant mixture. On a side of the waste vessel is an anolyte vessel holding an anolyte fluid. An anolyte...
03/02/1999
5792315Purifying aqueous effluent from a pulp mill using electro chemical membrane device
This invention is related to a process for producing pulp from a cellulosic starting material, wherein an aqueous process effluent is purified from metal impurity cations. This process comprises that the effluent is purified by an electro-chemical membran...
08/11/1998
5756874Electrochemical cell for processing organic wastes
An electrochemical cell (20) which is effectively leakproof and can be incorporated into an easily serviceable cell pack (80). Within the cell are a plurality of parallel electrode plates (44, 46, 56) which act as anode and cathode reaction surfaces for p...
05/26/1998
5733434Apparatus and method for cleaning semiconductor wafers
An improvement is proposed in the cleaning treatment of semiconductor silicon wafers in which the conventional step of cleaning with an aqueous solution of an acid is replaced with a cleaning treatment with a temporarily acidic pure water which is produce...
03/31/1998
5725753Apparatus and method for cleaning semiconductor wafers
An improvement is proposed in the cleaning treatment of semiconductor silicon wafers in which the conventional step of cleaning with an aqueous solution of an alkali is replaced with a cleaning treatment with a temporarily alkaline pure water which is pro...
03/10/1998
5599438Method for producing electrolyzed water
The method for producing electrolyzed water includes the step of applying a voltage to electrodes disposed in an electrolytic cell containing therein pure water including electrolyte therein. A strength of an electric field generated by applying a voltage...
02/04/1997
5443700Method for treating waste water containing oil composed of esters, and treating apparatus thereof
A method for treating waster water containing oil composed of esters, which makes reactivation of spent adsorbent possible or unnecessary, and facilitates treatment of waste adsorbent. In order to realize the above method, oil composed of esters is adsorb...
08/22/1995
5258109Electrodialytic conversion of complexes and salts of metal cations
Complexes and salts of metal cations and acid anions are electrodialytically converted into insoluble hydroxides of the metal cations and acids of the anions. The conversion is effected without the electrotransport of metal cations by insolubilizing the m...
11/02/1993
5240579Electrodialysis reversal process and apparatus with bipolar membranes
Water softening by a combination of electrodialysis and calcium carbonate precipitation. The hard feed water or alternatively recycled soft water is rendered alkaline and is then subjected to a treatment by which precipitation of calcium carbonate is indu...
08/31/1993
5225054Method for the recovery of cyanide from solutions
Cyanide-containing solution is subjected to two-stage membrane electrolysis in units each comprising a cathode, an anode and one or more bipolar electrodes interspaced with cationic membranes defining alternating anode and cathode compartments containing ...
07/06/1993
4707240Method and apparatus for improving the life of an electrode
Method and apparatus are disclosed for improving the anodic life of an electrode in an electrodialysis stack which electrode comprises at least in part an area which is anodic during at least part of the duty time of said stack, which stack also comprises...
11/17/1987
4584076Process for obtaining lignin from alkaline solutions thereof
The invention relates to a method and apparatus for recovering lignin and kali from an alkaline lignin solution. One or more electrolytic cells are used to anodically acidify the lignin and simultaneously cathodically regenerate alkali. The invention is e...
04/22/1986
4519881Regeneration of alkaline treating agents
A process is disclosed for electrolysis of a spent caustic solution in a three-compartment cell to produce alkali metal hydroxide, hydrogen and hydrogen sulfide. The hydrogen sulfide is oxidized to sulfur dioxide which is returned to the electrolysis cell...
05/28/1985
4337129Regeneration of waste metallurgical process liquor
Spent aqueous hexavalent chromium solutions containing trivalent chromium ions and extraneous metal ions are oxidized by placing said exhausted Cr+6 solution in the anode compartment of an electrolytic cell as the anolyte, said cell being separ...
06/29/1982
4210502Process for recovery of waste H2 SO4 and HCl
This invention relates to a process for recovery of waste H2 SO4 and HCl which are used for pickling metallic materials and articles and contain a large quantities of Fe ions. Furthermore, it offers a process for the recovery of H
07/01/1980
4177119Process for recovery of waste H2 SO4 and HCl
This invention relates to a process for recovery of waste H2 SO4 and HCl which are used for pickling metallic materials and articles and contain a large quantities of Fe ions. Furthermore, it offers a process for the recovery of H
12/04/1979
4113588Process for recovery of waste H2 SO4 and HCl
This invention relates to a process for recovery of waste H2 SO4 and HCl which are used for pickling metallic materials and articles and contain a large quantities of Fe ions. Furthermore, it offers a process for the recovery of H
09/12/1978
3948738Process for the regeneration of exhausted chromium-plating solutions by two-stage diaphragm electrolysis
Regeneration of an exhausted chromium-plating solution can be effectively effected by two-stage diaphragm electrolysis. For the first electrolysis, the anode compartment is charged with a diluted aqueous chromic acid solution and the cathode compartment i...
04/06/1976
 
Sign InRegister
Username  
Password   
forgot password?