Patents by Inventor Rosemary Collins

Rosemary Collins 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: 5780018
    Abstract: A novel process for the manufacture of a lipstick is described which comprises melting a combination of colour pellets together with a measured amount of an oil blend with mixing to give a lipstick base composition and moulding said base composition into a lipstick of a predetermined colour. A colour pellet comprises: 1-50% by weight of a wax component; b) 30-65% by weight of an oil component; and c) 10-35% by weight of a pigment and/or a pearlising agent.A kit of parts suitable for implementing the process is described. The process is particularly suitable for the clean and efficient manufacture of lipsticks, of a wide range of colour, at the point of sale.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: July 14, 1998
    Assignee: The Boots Company PLC
    Inventors: Rosemary Collins, Sandra Cox