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
Polyolefin and composition for pipe systems and sheets
Fire detector
Lighting elements
Nucleic acids for cloning and expressing multiprotein complexes
Pet burial pod
Frothable aqueous composition for use in a carpet backing composition
  Randomly Featured Patents
Semiconductor sealant of epoxy resin and organic polymer-grafted silicone polymer
High performance register file with bootstrapped storage supply and method of reading data therefrom
Supplemental seal for the chordal hinge seals in a gas turbine
Digital watermarking of binary document using halftoning
Mechanism for synchronization of data ports in TDMA communication
Bag scaffold
L-carvone enhanced fruit flavored chewing gum
Digital output MEMS pressure sensor and method
Short-offset transient electromagnetic geophysical surveying
Method and apparatus with improved tracking control for recording a digital signal