1
Frederick E Hardy, David J Kitko, Cushman M Cambre: Bleach compositions comprising non-linear aliphatic peroxycarboxylic acid precursors. The Procter & Gamble Company, Robert B Aylor, Richard C Witte, Thomas H O Flaherty, August 20, 1985: US04536314 (77 worldwide citation)

Detergent compositions, detergent additive products and bleaching compositions containing aliphatic peroxyacid bleach precursors of formula ##STR1## are provided, where L is a leaving group of defined formula whose conjugate acid has a pKa of from 6 to 13 and ##STR2## is a non linear acyl group, the ...


2
David J Kitko: Peroxyacid bleach composition. The Procter & Gamble Company, George Wheeler, Douglas C Mohl, Richard C Witte, October 9, 1979: US04170453 (57 worldwide citation)

Dry, granular, bleaching compositions comprising an effective amount of diperoxydodecanedioic acid and sufficient buffering agent to control the pH of the aqueous solution in which the bleach is used in the range of 8.7 to 9.5. The peroxyacid and the buffering agent being present as separate granule ...


3
David J Kitko: Method for sanitizing toilets. The Procter & Gamble Company, Ronald L Hemingway, Richard C Witte, April 29, 1980: US04200606 (38 worldwide citation)

A method for sanitizing toilets wherein a hypochlorite sanitizing agent and a dye selected from the group consisting of FD & C Blue No. 1 and FD & C No. 3 are dispensed from separate dispensing means into the toilet flush water. The dye is resistant to attack by the hypochlorite and therefore provid ...


4
David J Kitko: Article for sanitizing toilets. The Procter & Gamble Company, Ronald L Hemingway, Richard C Witte, January 5, 1982: US04308625 (34 worldwide citation)

Article used in a method for sanitizing toilets wherein a hypochlorite sanitizing agent and an oxidizable dye are dispensed from separate dispensing means into the toilet flush water to provide a color to the bowl water. The color disappears within a short time after the flush, thereby providing a v ...


5
David J Kitko: Method for sanitizing toilets. The Procter & Gamble Company, Ronald L Hemingway, Richard C Witte, February 3, 1981: US04248827 (31 worldwide citation)

A method for sanitizing toilets wherein a hypochlorite sanitizing agent and an oxidizable dye are dispensed from separate dispensing means into the toilet flush water to provide a color to the bowl water. The color disappears within a short time after the flush, thereby providing a visual indicator ...


6
John D Nyquist, David J Kitko, Richard F Stradling Jr: Passive dosing dispenser with improved hypochlorite cake. The Procter & Gamble Company, Leonard Williamson, Ronald L Hemingway, Richard C Witte, August 4, 1981: US04281421 (30 worldwide citation)

The combination of a passive dosing dispenser, of the type having a reservoir containing a cake of active ingredients which are depleted as water is routed through the dispenser, and an improved hypochlorite cake for use therein. The improved hypochlorite cake provides water-soluble hypochlorites, a ...


7
Charles A Hensley, David J Kitko: Hypochlorite bleach compositions containing optical brighteners. The Procter & Gamble Company, Richard C Witte, Ronald L Hemingway, July 2, 1985: US04526700 (15 worldwide citation)

Aqueous hypochlorite bleach compositions containing a fine dispersion of the bleach stable optical brightener 4,4'-bis(4-phenyl-2H-1,2,3-triazol-2-yl)-2,2'-stilbenedisulfonate.


8
David J Kitko: Apparatus for sanitizing toilets. The Procter & Gamble Company, Ronald L Hemingway, Richard C Witte, February 10, 1981: US04249274 (14 worldwide citation)

A method and article for sanitizing toilets wherein a hypochlorite sanitizing agent and a dye selected from the group consisting of FD & C Blue No. 1 and FD & C Green No. 3 are dispensed from separate dispensing means into the toilet flush water. The dye is resistant to attack by the hypochlorite an ...