S. C. Johnson Son, Inc.

John F Goelz

Michael E Klinkhammer

Mark E Wefler

Murthy S Munagavalasa

P Prabodh Varanasi

This invention relates to dispensing systems, such as lavatory cleansing systems, particularly dispensers suitable for placement into a liquid containing vessel whose level of liquid is capable of changing from an upper level to a lower level and vice versa, such as a toilet tank. These dispensers dispense and deliver a conserved amount of lavatory cleanser, into the liquid containing tank by controlling the rate at which water enters the dispenser. This invention also relates to a controlled solubility lavatory cleanser for use in conjunction with the dispenser.

Passive lavatory cleanser dispensing system

A method is disclosed for imparting hydrophobicity to the surface of a substrate that is repeatedly treated with a solution containing a low level organofunctional silane. The method has particular application in toilet bowl dispensing systems, hard surface cleaners and for providing abrasion or scratch resistant coatings.

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Milwaukee, WI, United States of America

John F Goelz