1
Michael E Burns, Frederick E Hardy: Bleaching compounds and compositions comprising fatty peroxyacids salts thereof and precursors therefor having amide moieties in the fatty chain. Procter & Gamble Company, Robert B Aylor, Richard C Witte, Thomas H O Flaherty, January 6, 1987: US04634551 (132 worldwide citation)

This invention relates to bleaching compounds and compositions that provide effective and efficient surface bleaching of textiles over a wide range of bleach solution temperatures. The bleaching compounds of the invention yield a peroxyacid with a polar amide link in the hydrophobic chain when used ...


2
Frederick E Hardy, Barry T Ingram: Peracid and bleach activator compounds and use thereof in cleaning compositions. The Procter & Gamble Company, Robert B Aylor, Richard C Witte, Thomas H O Flaherty, July 21, 1987: US04681592 (101 worldwide citation)

Per-acids and per-acid precursor compounds of the general type RXAOOH and RXAL, wherein R is a hydrocarbyl group, X is a hetero-atom. A is a carbonyl bridging group and L is a leaving group, especially oxybenzenesulfonate, are useful bleaching compounds for fabrics. Laundry products containing same ...


3
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 ...


4

5
Stephen Culshaw, Eddy Vos, Frederick E Hardy: Hard-surface cleaning compositions containing iminodiacetic acid derivatives. The Procter & Gamble Company, Robert B Aylor, Richard C Witte, September 24, 1991: US05051212 (37 worldwide citation)

Hard-surface cleaning compositions are disclosed, containing an organic solvent having a boiling point above 90.degree. C., and a chelating agent derived from iminodiacetic acid.


6
Toan Trinh, Eugene P Gosselink, Frederick E Hardy: Rinse-added fabric conditioning compositions containing fabric softening agents and cationic polyester soil release polymers and preferred cationic soil release polymers therefor. The Procter & Gamble Company, Robert B Aylor, April 11, 1995: US05405542 (33 worldwide citation)

Rinse-added fabric conditioning compositions containing cationic soil release polymers are much more effective than similar compositions containing nonionic soil release polymers for soil release. Most of the cationic soil release polymers are new compounds comprising a hydrophobic alkylene oxide/te ...


7
Frederick E Hardy: Detergent additive product. The Procter & Gamble Company, Leonard Williamson, Ronald L Hemingway, Richard C Witte, October 28, 1986: US04619779 (30 worldwide citation)

A detergent additive product comprising a C.sub.5 -C.sub.18 aliphatic peroxy carboxylic acid bleach precursor in water releasable combination with a non particulate flexible substrate in a weight ratio of precursor to substrate of 30:1 to 1:10. The aliphatic portion of the precursor incorporates a l ...


8
Eugene P Gosselink, Frederick E Hardy, Toan Trinh: Rinse-added fabric conditioning compositions containing fabric sofening agents and cationic polyester soil release polymers and preferred cationic soil release polymers therefor. The Procter & Gamble Company, Robert B Aylor, Richard C Witte, September 11, 1990: US04956447 (26 worldwide citation)

Rinse-added fabric conditioning compositions containing cationic soil release polymers are much more effective than similar compositions containing nonionic soil release polymers for soil release. Most of the cationic soil release polymers are new compounds comprising a hydrophobic alkylene oxide/te ...


9
Frederick E Hardy, Darlene R Walley: Stable biodegradable fabric softening compositions containing 2-hydroxypropyl monoester quaternized ammonium salts. The Procter & Gamble Company, Bart S Hersko, George W Allen, Richard C Witte, June 20, 1989: US04840738 (23 worldwide citation)

Shelf-stable biodegradable fabric softening compositions are provided comprising mixtures of a quaternized ester-ammonium softening compound having the formula ##STR1## and mixtures thereof, wherein each R substituent is independently selected from C.sub.1 -C.sub.6 alkyl, alkenyl or hydroxyalkyl gro ...


10
Frederick E Hardy, Colin A Dewar: Detergent softener with amine ingredient. The Procter & Gamble Company, October 13, 1981: US04294710 (23 worldwide citation)

Detergent compositions having good cleaning performance and also textile softening properties comprise an organic surfactant, alkaline reacting water-soluble salts and a specified class of tertiary amines. Optionally and preferably a smectite-type clay is also present in the compositions.