Patents by Inventor Peter M. Lorz

Peter M. Lorz 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).

  • Preparation of .omega.-formylalkanecarboxylic esters
    Patent number: 5264616
    Abstract: .omega.-Formyl-C.sub.4 -C.sub.20 -alkanecarboxylic esters are prepared by reacting C.sub.4 -C.sub.20 -alkenecarboxylic esters with carbon monoxide and hydrogen at from 30.degree. to 150.degree. C. and under from 0.01 to 30 bar in the presence of rhodium carbonyl complexes which are modified with polyphosphites.
    Type: Grant
    Filed: February 17, 1993
    Date of Patent: November 23, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Michael Roeper, Peter M. Lorz, Dieter Koeffer
  • Rhodium hydroformylation catalysts containing bisphosphite ligands
    Patent number: 5254741
    Abstract: Rhodium hydroformylation catalysts containing bisphosphite ligands of the formula I ##STR1## where -X- is a divalent bisarylene radical or R.sup.1,w is a divalent arylene, bisarylene or alkylene radical, andR.sup.1 and R.sup.2 are identical or different and are substituted or unsubstituted alkylene or ortho-arylene.
    Type: Grant
    Filed: October 28, 1992
    Date of Patent: October 19, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter M. Lorz, Werner Bertleff, Michael Roeper, Dieter Koeffer
  • Rhodium hydroformylation catalysts containing bisphosphite ligands
    Patent number: 5202297
    Abstract: Rhodium hydroformylation catalysts containing bisphosphite ligands of the formula I ##STR1## where --X-- is a divalent bisarylene radical or R.sup.1,W is a divalent arylene, bisarylene or alkylene radical, andR.sup.1 and R.sup.2 are identical or different and are substituted or unsubstituted alkylene or ortho-arylene.
    Type: Grant
    Filed: August 20, 1991
    Date of Patent: April 13, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter M. Lorz, Werner Bertleff, Michael Roeper, Dieter Koeffer