Patents by Inventor Rudolfus Johannes Hafkamp

Rudolfus Johannes Hafkamp 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).

  • Detergent compositions
    Patent number: 7033983
    Abstract: Particulate laundry detergent compositions, especially high bulk density powders and tablets, contain low levels of aloe vera. The aloe vera is preferably present in the form of colored, preferably, green, speckles having a 1% solution pH not exceeding 9. The detergent compositions preferably contain a mild surfactant system.
    Type: Grant
    Filed: January 29, 2003
    Date of Patent: April 25, 2006
    Assignee: Unilever Home and Personal Care USA a division of Conopco, Inc.
    Inventors: Olaf Cornelis Beers, Rudolfus Johannes Hafkamp
  • Detergent compositions
    Patent number: 7030077
    Abstract: Particulate laundry detergent compositions, especially high bulk density powders and tablets, contain low levels of aloe vera or other herbal extract beneficial to the skin. The herbal extract is preferably present in the form of coloured, preferably, green, speckles having a 1% solution pH not exceeding 9. The detergent compositions preferably contain a mild surfactant system.
    Type: Grant
    Filed: January 29, 2003
    Date of Patent: April 18, 2006
    Assignee: Unilever Home and Personal Care USA, a division of Conopco, Inc.
    Inventors: Olaf Cornelis Beers, Rudolfus Johannes Hafkamp
  • Detergent compositions
    Patent number: 6794349
    Abstract: A built particulate laundry detergent composition containing anionic sulphonate or sulphate surfactant and conventional ethoxylated alcohol nonionic surfactant also contains a low level of a highly ethoxylated alcohol nonionic surfactant having an average degree of ethoxylation of from 15 to 40. The composition exhibits increased mildness to the skin without loss of detergency performance.
    Type: Grant
    Filed: October 10, 2002
    Date of Patent: September 21, 2004
    Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
    Inventors: Rudolfus Johannes Hafkamp, Rob Menting
  • Detergent compositions
    Publication number: 20030176309
    Abstract: Particulate laundry detergent compositions, especially high bulk density powders and tablets, contain low levels of aloe vera. The aloe vera is preferably present in the form of coloured, preferably, green, speckles having a 1% solution pH not exceeding 9. The detergent compositions preferably contain a mild surfactant system.
    Type: Application
    Filed: January 29, 2003
    Publication date: September 18, 2003
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Olaf Cornelis Beers, Rudolfus Johannes Hafkamp
  • Detergent compositions
    Publication number: 20030144161
    Abstract: Particulate laundry detergent compositions, especially high bulk density powders and tablets, contain low levels of aloe vera or other herbal extract beneficial to the skin. The herbal extract is preferably present in the form of coloured, preferably, green, speckles having a 1% solution pH not exceeding 9. The detergent compositions preferably contain a mild surfactant system.
    Type: Application
    Filed: January 29, 2003
    Publication date: July 31, 2003
    Applicant: Unilever Home & Personal Care USA Division of Conopco, Inc.
    Inventors: Olaf Cornelis Beers, Rudolfus Johannes Hafkamp
  • Detergent compositions
    Publication number: 20030078183
    Abstract: A built particulate laundry detergent composition containing anionic sulphonate or sulphate surfactant and conventional ethoxylated alcohol nonionic surfactant also contains a low level of a highly ethoxylated alcohol nonionic surfactant having an average degree of ethoxylation of from 15 to 40. The composition exhibits increased mildness to the skin without loss of detergency performance.
    Type: Application
    Filed: October 10, 2002
    Publication date: April 24, 2003
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Rudolfus Johannes Hafkamp, Rob Menting