Patents by Inventor Ju Sander

Ju Sander 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: 4822719
    Abstract: A radiation-sensitive mixture which contains(A) a polymer comprised of repeat units represented by the formula ##STR1## where R is a hydrogen or a halogen atom, a cyanide group or an alkyl group of 1-4 carbon atoms,R.sup.1, R.sup.2 are identical or different, and eachand R.sup.3 denotes a hydrogen or a halogen atom, an alkyl group, an alkoxy group, an alkoxycarbonyl group, an acyl group, an aryloxy group, an aroyl group or aralkyl group,R.sup.4 is a hydrogen atom or a divalent organic group which is linked to another unit represented by formula (I),X denotes an oxygen atom or one of the groups NR.sup.8, OCH.sub.2 CHOHCH.sub.2 OCO, OCH.sub.2 CH.sub.2 O and OCH.sub.2 CH.sub.2 OCO, where R.sup.
    Type: Grant
    Filed: August 13, 1986
    Date of Patent: April 18, 1989
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Arnold Schneller, Ralf Schulze, Ju Sander, Kurt Erbes