Resources Contact Us Home
Composition for use in a twophase or multiphase system

Image Number 4 for United States Patent #4740304.

Composition for use in a twophase or a multiphase system for extraction, purification, concentration and/or separation of biological substances. The composition is characterized in that it contains hydroxyalkyl starch with a degree of substitution in respect of hydroxyalkyl groups of more than 0.02 per glucose unit on an average and with an average molecular weight lower than 800000, preferably at most 400000 and most preferably at most 250000.

  Recently Added Patents
Morphinan compounds
Single mode optical fiber with improved bend performance
Vehicle running control system
Thin film transistor and flat panel display device including the same
Methods of saccharification of polysaccharides in plants
Sending notification of event
Sampling switch circuit that uses correlated level shifting
  Randomly Featured Patents
Benzofurans and benzothiophenes having antiallergic activity and method of use thereof
Frame based, on-demand spectrum contention protocol vector messaging
Scroll compressor having a frame and open sleeve for controlling gas and lubricant flow
Roller massaging mechanism and massaging apparatus incorporating the same
Absorbent mats for food packaging
Rapidly greening, low oxygen mutant of the aequoria victoria green fluorescent protein
FM modulation technique for producing frequency rejection bands
Indole and indazole analogs as glycogen synthase activators
Vehicle headrest
Data management small computer system interface (SCSI) extender for extending SCSI communications between SCSI interfaces located relatively far apart