Resources Contact Us Home
Process for the manufacture of sodium metabisulfite

Image Number 4 for United States Patent #4844880.

An improved process for the manufacture of sodium metabisulfite is provided. In this process, the chemical reaction forming sodium bisulfite solution is carried out separately from the crystallization of sodium metabisulfite. The crystallization step is carried out without chemical alteration and without pH adjustment.

  Recently Added Patents
Lamp body with integrally molded heat sink
Steplessly adjustable cymbal locating device
Expressive grouping for language integrated queries
Personal warming apparatus
Viruses lacking epithelial cell receptor entry
System and method for evaluating equipment rack cooling performance
Techniques to manage communications resources for a multimedia conference event
  Randomly Featured Patents
Lock assembly for a vehicle disc brake
Resist material for micro-fabrication with unsaturated dicarboxylic moiety
System and method for cleaning and producing data bearing cards
Quaternary ammonium compounds with high flash points and method of making the same
Desk organizer
Adjustable clamp
Minimum least squares error based analysis for throughput-prioritized radio frequency performance optimization
Ferroelectric memory element
Press coated, pulsatile drug delivery system suitable for oral administration