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Class 422/13 - Aqueous alkali environment (i.e., pH greater than or equal to 8.4)


Subclass of Class 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
Definition: Process for preventing damage to metal caused by an environment
No. of applications: 5
Last issue date: 10/30/2008


Application No.Application TitleIssue Date
20080267813Corrosion inhibitor for protecting metallic materials in strongly alkaline medium
Corrosion inhibitor and method of protecting metallic materials in strongly alkaline medium by means of a corrosion inhibitor, characterized in that it contains an amine containing at least one CH group bound to the nitrogen.... 		10/30/2008
20080262632Method for Producing Biomaterials From Bone Tissue and Material Used for Osteoplasty and Tissue Engineering
A method for obtaining of biomaterials for osteoplasty and tissue engineering cleans a bone of natural origin, which is sawn to plates with a thickness of 0.2 to 2.0 cm, washed twice in 0.1 M phosphate buffer at 65° C., pH 5.8-6.0, calculated as two volumetric parts of... 		10/23/2008
20070259229FUEL CELL ACTIVATION METHOD AND THE DEVICE THEREOF
The present invention discloses a fuel cell activation method having an operational procedure formed by an electrical power generator, a fuel processing unit, a fan unit and a control unit. The operational procedure includes the step of the control unit selects a startu... 		11/08/2007
20060292030Process for the preparation of sterile polysaccharide solutions
A novel process for the preparation of sterile polysaccharide solutions from at least one packed, aqueous unsterile dispersion of at least one thermolabile and/or poorly soluble polysaccharide is provided, where the dissolution of the polysaccharide and the sterilizatio... 		12/28/2006
20060083656Method for reducing corrosion in solid sodium hydroxide production
A method for reducing corrosion in evaporators used to produce solid sodium hydroxide. The method comprises adding sodium borohydride to aqueous sodium hydroxide and evaporating water from the aqueous sodium hydroxide on a contact surface having a temperature from 300°... 		04/20/2006
 
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