Patents by Inventor Gertrud Westin-Sjodahl

Gertrud Westin-Sjodahl has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for manufacturing crystals of growth hormone and crystals thereby obtained
    Patent number: 5734026
    Abstract: A process for manufacturing crystals of growth hormone (GH) comprising the steps of:i) mixing GH with an aqueous solution comprising a buffer and a chemical compound with the general formula (1):Ar--?--CR.sub.1 R.sub.2 --!n--?--C R.sub.3 R.sub.4 --!m--C R.sub.5 R.sub.6 --OH (1)in which Ar is phenyl, alkyl-substituted phenyl, naphthyl, or alkyl-substituted naphthyl, R.sub.1 to R.sub.6 is H, OH or alkyl and n and m is 0 or 1;ii) incubating; andiii) isolating the crystals is provided. The crystals are in the form of needles, trigonal forms, cubes or parallelepipeds with a length of at least 20 microns.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: March 31, 1998
    Assignee: Pharmacia & Upjohn Aktiebolag
    Inventors: Ebba Florin-Robertsson, Elvy Hokby, Ronny Lundin, Sirkka Thome, Gertrud Westin-Sjodahl