Resources Contact Us Home
Method for separating analogous organic compounds

Image Number 2 for United States Patent #6492513.

The present invention relates to a method for separating a lactone-containing high-molecular weight compound having an alkyl group as its side chain from a lactone-containing high-molecular weight compound having an alkenyl group as its side chain by using a sulfonic acid group-containing cation exchange resin pretreated with silver ions.

  Recently Added Patents
Method for conformal plasma immersed ion implantation assisted by atomic layer deposition
Method and system for advertisement using internet browser to insert advertisements
System and method for providing advice to consumer regarding a payment transaction
Film-forming resins as a carrier for topical application of pharmacologically active agents
Trash receptacle
Managing imaging of computing devices
Perfume bottle
  Randomly Featured Patents
Pulse-width modulated bridge circuit within a second bridge circuit
Riser tensioner with shrouded rods
Hydrocracking of heavy asphaltenic oil in presence of an additive to prevent coke formation
Herbicidal agents
Data carrier having a communication resonant circuit and having means for changing the resonant frequency of this resonant circuit in either sense
Spray dried enzyme product
Uplink congestion detection and control between nodes in a radio access network
Locking assembly to secure a bearing assembly in an articulated coupling apparatus for connecting adjacent ends of a pair of railway cars
Diode-laser illuminator with interchangeable modules for changing irradiance and beam dimensions
Dual-bit floating-gate flash cell structure and its contactless flash memory arrays