Patents Examined by Lori Jarrett
  • Extended life mineral acid detection tape
    Patent number: 7718123
    Abstract: A mineral acid detection tape includes a cellulose paper substrate saturated with a formula solution and provides an extended life detection tape of at least a three-month period of time when place in service.
    Type: Grant
    Filed: August 23, 2005
    Date of Patent: May 18, 2010
    Assignee: Honeywell Analytics AG
    Inventor: Tamami Yamaguchi