Peroxygen bleach activators and bleaching compositions
申请人:The Procter & Gamble Company
公开号:US04483778A1
公开(公告)日:1984-11-20
This invention relates to peroxygen bleaching activator compounds and bleaching compositions. The peroxygen bleach activator compounds, used in combination with peroxygen bleach compounds which yield hydrogen peroxide in an aqueous solution, provide effective and efficient bleaching of textiles over a wide range of temperatures. In a highly preferred embodiment the bleaching compositions of the invention are detergent compositions.
The invention relates to bodies containing bleach activators. The bodies comprise specific peroxygen bleach activators and select binder or enrobing materials. When formulated in such bodies the peroxygen bleach activators have excellent storage stability and maintain excellent dispersibility in wash water.
Alpha chloriniation process employing food grade antioxidants, oxygen or cyanoquinones
申请人:THE PROCTER & GAMBLE COMPANY
公开号:EP0167202A1
公开(公告)日:1986-01-08
The present invention encompasses an improved process for chlorinating acyl halides. The process of the present invention comprises a method of producing alpha-chloro acyl chlorides comprising contacting an acyl chloride with a chlorine source at a temperature of about 75°C to about 125°C in the presence of (i) an effective amount of an auxiliary acidic agent and (ii) an effective amount of a free radical inhibitor which may be a food grade antioxidant, oxygen, a cyanoquinone material or a mixture thereof.