Reference

Laundry bars

Laundry bars. Finch, Timothy David; Postlethwaite, Dennis; Powers, Peter James (Unilever PLC, UK). Brit. UK Pat. Appl. GB 2172300 A1 17 Sep 1986, 9 pp. (United Kingdom) CODEN: BAXXDU. CLASS: ICM: C11D001-22. ICS: C11D003-08; C11D003-39; C11D003-395. APPLICATION: GB 86-6144 12 Mar 1986. 10486-00-7 and 13776-74-4 which are cas registry numbers are also used here. PRIORITY: GB 85-6684 14 Mar 1985. DOCUMENT TYPE: Patent CA Section: 46 (Surface Active Agents and Detergents) Laundry bars for use in the hand washing of fabrics contain an anionic surfactant 15-45, a builder (esp. water-sol. carbonate) 5-60, Na perborate 5-30, and, as a perborate stabilizer, Mg silicate 0.5-2.5%. The bars exhibit good bleach stability during storage and use and good cleaning performance. .

Preparation of microcrystalline perborate products and stable aqueous concentrates containing them

Preparation of microcrystalline perborate products and stable aqueous concentrates containing them. Roesler, Richard; Doetsch, Werner; Zeiss, Werner; Siegel, Rudolf (Peroxid-Chemie G.m.b.H., Germany). Eur. Pat. Appl. EP 460555 A1 11 Dec 1991, 15 pp. DESIGNATED STATES: R: BE, DE, ES, FR, GB, IT, NL, SE. (European Patent Organization). CODEN: EPXXDW. CLASS: ICM: C01B015-12. APPLICATION: EP 91-108978 1 Jun 1991. PRIORITY: DE 90-4018039 6 Jun 1990. DOCUMENT TYPE: Patent CA Section: 46 (Surface Active Agents and Detergents) Section cross-reference(s): 49 An aq. soln. or suspension contg. H2O2, alkali metal hydroxide, and a compd. contg. B and O is treated with an inorg. alkali metal compd. and cooled to give a microcryst. perborate product for use in storage-stable liq. detergent, bleach, or disinfectant compns. Treating 477 L 50% H2O2 soln. in turn with 15 kg aq. soln. of ethylenediaminetetrakis(methylenephosphonic acid) penta-Na salt (25%, based on active O in aq. soln.), 600 kg Na2B4O7. 10486-00-7 which is the cas registry number of one of substances is just one of reagents here.5H2O, and 66 kg 50% aq. NaOH at ￡40° and aging 30 min gave a clear soln. which (100 g) was dild. with 140 g water, treated at 60° with 21.56 g 50% aq. NaOH, and cooled to 5-10° to give a suspension of Na perborate tetrahydrate having particle size ￡5 mm. .