Patents by Inventor Daniel John Jeffrey

Daniel John Jeffrey 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).

  • Lavatory cleansing blocks
    Patent number: 5711920
    Abstract: A solid lavatory cleaning block is formed of a composition comprising a mixture of (A) a surface active component comprising one or more anionic surface active agents; (B) a chlorine release agent component consisting of one or more chlorinated cyanuric acid derivatives; and (C) a source of barium, cadmium, calcium, copper, iron, magnesium, manganese or nickel ions.In order that the invention may be well understood the following examples are given by way of illustration only.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: January 27, 1998
    Assignee: Jeyes Limited
    Inventors: Eric Dennis Barford, Daniel John Jeffrey, John Marshall, Paul Anthony Raynor
  • Lavatory cleansing block
    Patent number: 4043931
    Abstract: A lavatory cleansing block comprises a solid carrier base which is a mixture of two or more non-ionic surface active agents, one of which is relatively insoluble in water and the other of which is relatively soluble in water and preferably also contains one or more of (i) perfuming agents, (ii) coloring constituents, (iii) germicides, (iv) builders or fillers and (v) water-softening agents.
    Type: Grant
    Filed: February 19, 1974
    Date of Patent: August 23, 1977
    Assignee: Jeyes Group Limited
    Inventors: Daniel John Jeffrey, Keith Charles Gingell