Abstract: N-polyhydroxyalkyl fatty acid amides are used as thickening agents for liquid aqueous surfactant systems. Compounds of formula ##STR1## where R.sub.1 is an alkyl group; R.sub.2 is hydrogen, an alkyl group, or an alkylene oxide group; and X is a polyhydroxyalkyl group, are used as thickeners. The thickeners are particularly useful in liquid surfactant systems which contain paraffinsulfonate.
Type:
Grant
Filed:
October 20, 1988
Date of Patent:
April 23, 1991
Assignee:
Huls Aktiengesellschaft
Inventors:
Heike Kelkenberg, Wulf Ruback, Klaus Engel
Abstract: Stable azeotrope-like compositions comprising 1,1-dichloro-1-fluoroethane, dichlorotrifluoroethane, methanol and cyclopentane which are useful in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit boards.
Type:
Grant
Filed:
September 25, 1989
Date of Patent:
February 19, 1991
Assignee:
Allied-Signal Inc.
Inventors:
Leonard M. Stachura, Peter B. Logsdon, Ellen L. Swan, Rajat S. Basu
Abstract: Azeotropic mixtures of 2,3-dichloro-1,1,1,3,3-pentafluoropropane and methanol, the azeotropic mixtures being useful in solvent cleaning applications.
Abstract: Thixotropic aqueous liquid automatic dishwashing detergent composition with improved anti-filming properties and method of using the detergent composition. The detergent composition comprises silica anti-filming agent, inorganic builder salts, chlorine bleach, bleach-stable detergent and a thixotropic thickener. The compositions provide reduced filming on dishware, glassware, china and the like, particularly in hard water, and remain stable against phase separation.
Abstract: Thixotropic aqueous liquid automatic dishwashing detergent composition with improved anti-filming and anti-spotting properties and method of using the detergent composition. The detergent composition comprises alumina or titanium dioxide anti-filming agent, polyacrylate polymer anti-spotting agent, inorganic builder salts, chlorine bleach, bleach-stable detergent and a thixotropic thickener. The compositions provide reduced filming and spotting on dishware, glassware, china and the like, particularly in hard water, and remain stable against phase separation.
Abstract: Azeotrope-like compositions comprising 1,1-dichloro-1-fluoroethane, dichlorotrifluoroethane, and nitromethane are stable and have utility as solvents in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit boards.
Type:
Grant
Filed:
October 4, 1989
Date of Patent:
October 23, 1990
Assignee:
Allied-Signal Inc.
Inventors:
Ellen L. Swan, Rajat S. Basu, Joel E. Rodgers
Abstract: A fabric conditioner comprising 18 to 50% by weight of a mixture of at least two quaternary ammonium salt components (A) and (B) with the remainder of the conditioner being water and auxiliary agents.
Type:
Grant
Filed:
June 8, 1988
Date of Patent:
October 16, 1990
Assignee:
Huels Aktiengesellschaft
Inventors:
Wulf Ruback, Jan Schut, Werner Friedrich, Heinz Riemer, Hauke Steinhardt
Abstract: Azeotrope-like compositions comprising 1,1,2-trichloro-1,2,2-trifluoroethane; 1,2-dichloroethylene; and alkanol having 3 to 7 carbon atoms have utility as degreasing agents and as solvents in a variety of industrial cleaning applications including cold cleaning and defluxing a printed circuit boards.
Type:
Grant
Filed:
December 14, 1989
Date of Patent:
October 9, 1990
Assignee:
Allied-Signal Inc.
Inventors:
Kane D. Cook, Chien C. Li, Rajat S. Basu, David P. Wilson
Abstract: Azeotropic mixtures of 2,3-dichloro-1,1,1,3,3-pentafluoropropane (HCFC-225da) and trans-1,2-dichloroethylene (HCC-1130) with methanol, the azeotropic mixtures being useful in solvent cleaning applications.
Abstract: Stable azeotrope-like compositions comprising 1,1-dichloro-1-fluoroethane, dichlorotrifluoroethane and a mono- or di-chlorinated C.sub.2 or C.sub.3 alkane which are useful in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit boards.
Type:
Grant
Filed:
November 13, 1989
Date of Patent:
October 2, 1990
Assignee:
Allied-Signal Inc.
Inventors:
Peter B. Logsdon, Leonard M. Stachura, Ellen L. Swan, Rajat S. Basu
Abstract: Aqueous stripper compositions comprising aqueous emulsions of trioxane have been found to be effective for stripping coatings from surfaces. The composition typically contains water, trioxane, a surfactant and optionally a mixture of cosolvents comprising an aliphatic alcohol, an ester of an aliphatic carboxylic acid and an aromatic hydrocarbon or minimally hetero-substituted derivative thereof. The amount of the organic cosolvent is limited to about 30 wt. % to provide a stripper composition which is less volatile and more biodegradable than conventional stripper compositions.
Abstract: Azeotrope-like compositions comprising ethylene oxide and dichlorotrifluoroethane isomers or mixtures thereof are novel constant boiling compositions which are useful as sterilizing gases.
Type:
Grant
Filed:
August 30, 1989
Date of Patent:
September 4, 1990
Assignee:
Allied-Signal Inc.
Inventors:
James A. Batt, Robert G. Richard, Ian R. Shankland, David P. Wilson
Abstract: A non-film forming, aqueous composition is disclosed for cleaning and for killing and inhibiting the regrowth of fungi and algae on a solid surface. The composition comprises a water-insoluble compound selected from the group consisting of a fungicide, an algicide and a mixture thereof dispersed in the composition, a detergent, a thickener, an oxidizing agent and water. Also disclosed is the composition in a two package form in which the oxidizing agent and at least a portion of the water are in one package, and the fungicide, algicide or mixture thereof, the detergent, the thickener, and optionally a portion of the water are in another package.Also disclosed is a process for cleaning a solid surface with the aqueous composition.
Abstract: Azeotrope-like compositions comprising pentafluoroethane; 1,1,1-trifluoroethane; and chlorodifluoromethane are stable and have utility as refrigerants for heating and cooling.
Type:
Grant
Filed:
June 28, 1989
Date of Patent:
July 24, 1990
Assignee:
Allied-Signal Inc.
Inventors:
Ian R. Shankland, Robert G. Richard, Earl A. E. Lund
Abstract: A granular, storable bleach mixture suitable for addition to a detergent composition or to a wash liquor comprising a mixture of (a) from 5 to 35% by weight sodium perborate, preferably as monohydrate, (b) from 5 to 30% by weight tetra-acetyl ethylene-diamine and (c) from 90 to 50% by weight of a carrier material. The latter comprises a salt optionally containing water of crystallization or urea or mixtures thereof with anhydrous sodium sulfate, wherein the salt containing water of crystallization should not undergo any phase transformation between 1.degree. C. and 45.degree. C. In addition, the mixture may contain up to 15% of detergent constituents, such as surfactant and sequestering agent. The average particle size of the individual component is from 0.1 to 0.6 mm, less than 1% by weight being larger than 1.6 mm in size.
Abstract: A mold-cleaning composition and sheet comprising an uncured rubber composition comprising an uncured rubber and a curing agent, and at least one removal aid selected from imidazoles and imidazolines, and a method for cleaning a mold using the mold-cleaning sheet, are disclosed. The mold-cleaining sheet is suitably used to clean molding surfaces of a mold or to remove contaminants such as burr formed at peripheries thereof in the continuous production of semiconductor devices by transfer molding.
Abstract: A non-woven, fabric-like multifunctional cloth for household cleaning with high absorption capacity, minimum tearing resistance and a unique scrubbing and wiping efficacy. This cloth comprises a homogeneous mixture of wood pulp fibers and polypropylene microfibers impregnated with an all purpose cleaner.
Abstract: Azeotrope-like compositions comprising 1,1,2-trichloro-1,2,2-trifluoroethane, methanol, nitromethane, 1,2-dichloroethylene and 1-chloropropane are stable and have utility as degreasing agents and as solvents in a variety of industrial cleaning applications including the defluxing of printed circuit boards.
Type:
Grant
Filed:
December 1, 1988
Date of Patent:
February 27, 1990
Assignee:
Allied-Signal Inc.
Inventors:
Ellen L. Swan, Rajat S. Basu, David P. Wilson, Earl A. E. Lund