Showing papers by "Ecolab published in 1990"

Peroxy acid generator

Abstract: We have found a new and useful process to generate peroxy acid sanitizing and bleaching compositions at the point-of use, the-process comprising introducing hydrogen peroxide and a carboxylic acid into a reactor at about 0.1 to 10 moles of hy-drogen peroxide per mole of acid, and contacting the hydrogen peroxide and carboxylic acid in the presence of a sulfonic acid resin and in the substantial absence of active metal ions which forms an aqueous peroxy acid composition at a concentration from about up to 20 wt-%. Using this process, warewashing, laundry sanitizing and bleach, and hard surface sanitizing composi-tions can be produced.

Noncontaminating antimicrobial composition

Abstract: An antimicrobial surface sanitizing composition comprising a major portion of diluent and an active antimicrobial agent, said agent comprising an antimicrobial effective amount of an alpha-hydroxy substituted mono- or di-carboxylic acid, and an antimicrobial effective amount of hydrogen peroxide, wherein after contact with the intended surface said antimicrobial composition leaves a noncontaminating residue upon that surface.

Storage stable aqueous soluble germicidal film forming composition

Abstract: A single-part aqueous, storage stable, antimicrobial film-forming composition comprising a major portion of water, an antimicrobially effective amount of a cationic germicidal agent having the structure (R) (R1) (R2) (R3) N+ X-, wherein R, R1, R2, and R3 are independently selected from groups including benzyl, alkyl, benzyl, halo benzyl, C1-14 alkyl, C5-24 alkyl or C1-4 hydroxyalkyl and X- represents an anion capable of imparting water solubility or dispersability to the compound, and a stoichemetrically effective amount of acid functional anionic polymer, wherein said cationic germicidal agent and anionic polymer remain dissolved as a homogeneous aqueous solution until used.

Chlorinated solid rinse aid

Abstract: The invention relates to rinse aid compositions useful in warewashing, that provide sanitizing properties and stain control The rinse aids of the invention provide a highly active available chlorine source which is incorporated into solid systems containing sheeting agents The chlorine source is sufficiently stable to permit manufacture, storage, distribution, sale and consumption without loss of substantial proportions of active chlorine, while allowing for a broad selection of surfactants

Solid highly chelated warewashing detergent composition containing alkaline detersives and Aminocarboxylic acid sequestrants

Abstract: A solid, cast, highly chelated, alkaline detergent composition which includes (i) a potassium salt of an aminocarboxylic acid sequestrant, such as ethylene diamine tetraacetic acid (EDTA), (ii) optionally a sodium salt of the aminocarboxylic acid sequestrant, (iii) a source of alkalinity, such as sodium and/or potassium hydroxide, and (iv) a solidifying agent. The composition contains at least one of the sodium salt of the aminocarboxylic acid sequestrant and/or the sodium form of the alkaline source.

Antimicrobial mixtures containing quaternary ammonium compounds and a quaternary phosphonium compounds

Abstract: Antimicrobial mixtures contain quaternary ammonium compounds and quaternary phosphonium compounds in a ratio by weight of from 1:9 to 9:1.

Controlled release system for insect attractant

Abstract: A controlled release system for volatile liquid insect attractant compositions can be formed from a container (12) having an aperture (18) closed by a membrane (20), wherein the dimensions of the container (12), the dimensions of the aperture (18), the nature of the membrane (20), the liquid (24) level, and vapor space (26) within the container (12) are conformed to produce an effective attractant release rate.

Exposure of workers using hand-held equipment during urban application of pesticides to trees and ornamental shrubs

Abstract: Occupational exposure to four insecticides and two fungicides was measured in 151 commercial tree and shrub applicators who used hand-held equipment when spraying pesticides. The study was conducted for 3 consecutive years: 1985, 1986, and 1987. Worker exposure was determined by collecting full-shift, breathing zone air samples. Sampling was conducted with battery operated, constant flow air sampling devices. The air concentrations of acephate and benomyl were below the laboratory detection limit of 0.001 mg for all samples taken. Carbaryl (71 samples), diazinon (74 samples), and dicofol (84 samples) were detectable in less than 30% of the total samples. Of the samples where detectable levels were identified, the range of detectable levels were 0.010–0.070 mg/m3, 0.001–0.040 mg/m3, and 0.001–0.007 mg/m3 for carbaryl (19 samples), diazinon (25 samples), and dicofol (11 samples), respectively. Chlorothalonil was detected in one (1) of 14 samples at 0.011 mg/m3. Where threshold limit values (TLVs®) and permi...

Reservoir for collecting dissolved solid detergent solution

Abstract: Disclosed is a dispenser (10) for dispensing a wash chemical solution which has been created by dissolving a solid wash chemical (65) in a diluent. The dispenser (10) has a sump (48) which is positioned beneath an outlet port (40) for the wash chemical solution, so that the sump (48) collects the dissolved wash chemical. The sump (48) is contained within a reservoir (17), and overflow from the sump (48) is collected within the reservoir (17). A pick-up tube (27) withdraws the wash chemical solution from the reservoir (17). The sump (48) is retained within the reservoir (17) by flexible tabs (72) and a support member (51) against which the sump (48) is positioned. A screen is provided above the sump (48) for filtering unwanted particulates.

Property Modifications of Finished Textiles by a Cationic Surfactant

Abstract: Fabrics made of 100% cotton, 100% polyester and a 50/50 cotton/polyester blend with and without functional finishes were treated in aqueous solutions of the cationic surfactant distearyldimethylammonium bromide (DSDMAB). Finishes chosen were dimethyloldihydroxyethyleneurea (DMDHEU), a durable press finish, and poly(acrylic acid), a soil release finish. Selective sorption of the cationic surfactant by finished and unfinished fabrics was quantified. Cotton takes up much larger amounts of DSDMAB than does polyester. In general, acrylic finished fabrics take up more DSDMAB, while DMDHEU finished fabrics take up smaller amounts of DSDMAB as compared to their unfinished controls. These findings indicate that ionic interaction forces play an important role in the sorption process. In order to investigate this, acid numbers were used as a relative measure of negative sorption sites on fabrics. A direct relationship between DSDMAB sorption and the acid numbers of the fabrics was established.

Chain guide mounting apparatus

Abstract: Apparatus for supporting the guide members for guiding the moving endless chain for moving an endless belt conveyor, and in particular an endless conveyor for a power turn, mounted on a support frame wherein the guide members are mounted on a support member and at least one isolation member comprising a resilient sound and vibration deadening material is provided and the support member and support frame are secured together with the at least one isolation member located therebetween so as to isolate the support member from the support frame.