Patents by Inventor Harry Rothmann

Harry Rothmann 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).

  • Sulphinic acid derivatives, method for producing them, and their use
    Patent number: 6586622
    Abstract: The present invention relates to sulfinic acid compounds of the formula (I) where the substituents are as defined in the description. The novel sulfinic acid compounds can be used as reducing agents which do not eliminate formaldehyde.
    Type: Grant
    Filed: April 16, 2001
    Date of Patent: July 1, 2003
    Assignee: L. Bruggemann KG
    Inventors: Josef Berghofer, Harry Rothmann
  • Sulphinic acid derivatives, method for producing them, and their use
    Publication number: 20020042353
    Abstract: The present invention relates to sulfinic acid compounds of the formula (I) 1
    Type: Application
    Filed: April 16, 2001
    Publication date: April 11, 2002
    Applicant: L. Bruggemann KG
    Inventors: Josef Berghofer, Harry Rothmann
  • Sulphinic acid derivatives, method for producing them, and their use
    Patent number: 6211400
    Abstract: The present invention relates to sulfinic acid compounds of the formula (I) where the substituents are as defined in the description. The novel sulfinic acid compounds can be used as reducing agents which do not eliminate formaldehyde.
    Type: Grant
    Filed: May 27, 1999
    Date of Patent: April 3, 2001
    Assignee: L. Bruggemann KG
    Inventors: Josef Berghofer, Harry Rothmann