Patents by Inventor Niels H. Anderson

Niels H. Anderson 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).

  • Patent number: 4115545
    Abstract: Novel alkyl diethers of prostaglandins of the formula; ##STR1## wherein R.sub.1 is hydrogen or lower alkyl; R.sub.2 and R.sub.6 are hydrogen when Y is a single bond and R.sub.2 and R.sub.6 are absent when Y is a double bond; R.sub.3 is keto, ##STR2## R'.sub.9 is hydrogen or lower alkyl; R'.sub.10 is lower alkyl; R'.sub.11 is lower alkyl; Z.sub.1 is cis or trans --CH.dbd.CH-- or --CH.sub.2 CH.sub.2 --; Z.sub.2 is trans --CH.dbd.CH-- or --CH.sub.2 CH.sub.2 --; X is a single bond or a double bond and X is a single bond when R.sub.4 and R.sub.5 are hydrogen; Y is a single bond or a double bond; n is 1 to 5, m is 0 to 4; and the non-toxic salts. The prostaglandin ethers possess valuable pharmacological properties as modifiers of smooth muscle activity, gastric secretion, blood pressure, lipolysis and the reproductive system. The compounds also induce labor and menses and they can be used for the relief of asthma and nasal congestion.
    Type: Grant
    Filed: August 11, 1977
    Date of Patent: September 19, 1978
    Assignee: Alza Corporation
    Inventors: Ned M. Weinshenker, Niels H. Anderson