Patents by Inventor Irene Siegrist

Irene Siegrist 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).

  • Publication number: 20100016390
    Abstract: A stable, low VOC, low viscosity biocide formulation comprising an effective amount of at least one biocide, 1,2-benzisothiazolin-3-one (BIT), and a polyglycol liquid carrier of formula (I): R—O-(AO)n—O—R1, wherein n is 4-25, R and R? are hydrogen, C1-C3 alkyl groups, O?C—CH3 group, or O?C—C2H5 group, and AO is a) CH2CH2O, or b) CH2CH2O/CH2CHMe-O block or random copolymer; with proviso that when R and R? are both hydrogen, AO is a block or random copolymer. A method of making such a formulation.
    Type: Application
    Filed: July 23, 2007
    Publication date: January 21, 2010
    Inventors: Pierre Marie Lenoir, Irene Siegrist
  • Patent number: 6444627
    Abstract: A lubricant composition comprises (a) an optionally esterified or etherified reaction product of (i) an alcohol comprising up to 6 hydroxy groups and no heteroatom other than oxygen and (ii) one or more alkylene oxides; and (b) a reaction product of (i) ammonia or an alkanol amine and (ii) one or more alkylene oxides, wherein the average OH-functionality of the reaction products (a) and (b) is up to 4.5 and the total number of units derived from alkylene oxide in the reaction product (b) is up to about 12. The lubricant composition is particularly useful for treating fiber materials.
    Type: Grant
    Filed: March 13, 2001
    Date of Patent: September 3, 2002
    Assignee: Dow Global Technologies Inc.
    Inventors: Peter H. Berchtold, Irene Siegrist