Patents Examined by Mayer Weinblatt
  • Enzyme-containing detergent composition
    Patent number: 4287101
    Abstract: An enzyme-containing detergent composition having good deterbency against, especially, soiled spots in fabrics or clothes derived from a combination of sebum from human skin, a slight amount of sweat and invisible fine dust in the air is described. This detergent composition contains (I) (a) at least one olefin sulfonate having 10 to 20 carbon atoms, (b) at least one anionic surface active agent having an SO.sub.3 or SO.sub.4 group, except for said olefin sulfonate, and (c) at least one pyrophosphate and (II) at least one enzyme, the total amount of said components (a), (b) and (c) being at least 25% by weight based on the total amount of the detergent composition and the weight ratio of (a):(b):(c) being within the area enclosed by the points A, B, C and D defined in the attached triangular diagram.
    Type: Grant
    Filed: March 27, 1980
    Date of Patent: September 1, 1981
    Assignee: The Lion Fat & Oil Co., Ltd.
    Inventors: Hiroshi Nishio, Kazuaki Fukano, Isao Amano, Osamu Okumura
  • Product suitable for the storage and conveyance of thermal energy
    Patent number: 4287076
    Abstract: This invention concerns the storage and conveyance of thermal energy at low temperature, by using the latent heat produced by a substance during changes of state.This substance consists of a salt producing considerable latent heat during change of state, such as Na.sub.2 SO.sub.4, 10 H.sub.2 O, combined closely with a nucleating agent such as borax and dispersed in an oil to which an emulsifying agent has been added.This product is particularly suitable for storage of solar energy at low temperature and for heating of enclosed areas.
    Type: Grant
    Filed: September 10, 1979
    Date of Patent: September 1, 1981
    Assignee: Elf France
    Inventors: Lucien Babin, Daniele Clausse
  • Liquid cleanser formula
    Patent number: 4287079
    Abstract: An aqueous cleaning composition to be applied from a squirt bottle comprises a particulate abrasive, a two-part thickness consisting essentially of a mixture of fumed silicon dioxide and smectite clay, a hypo-halite bleach, alkaline builder salt, and water.
    Type: Grant
    Filed: June 2, 1980
    Date of Patent: September 1, 1981
    Assignee: Purex Corporation
    Inventor: Ronald A. Robinson
  • Detergent compositions which contain certain tertiary alcohols
    Patent number: 4287080
    Abstract: Detergent compositions are disclosed which comprise about 0.05% to 50% of a surfactant and 0.5% to 50% of a tertiary alcohol having at least 5 carbon atoms per molecule. The described combination has utility in a wide variety of different cleaning compositions to improve their cleaning performance. Certain of the preferred compositions employ low odor tertiary alcohols, tertiary alcohols which are stable with respect to oxidizing bleaches, and tertiary alcohols which are useful in solid compositions.
    Type: Grant
    Filed: September 17, 1979
    Date of Patent: September 1, 1981
    Assignee: The Procter & Gamble Company
    Inventor: Michael P. Siklosi
  • Highly concentrated fatty acid containing liquid detergent compositions
    Patent number: 4285841
    Abstract: Builder-free highly concentrated homogeneous fatty acid containing liquid detergent compositions are disclosed. The surface-active system in addition to the fatty acids also contains substantial amounts of anionic sulfonate/sulfate detergents and nonionic ethoxylates. The compositions are mildly acid to neutral and are capable of providing unexpectedly superior textile cleaning benefits, especially on oily and bleach sensitive soils.
    Type: Grant
    Filed: May 12, 1980
    Date of Patent: August 25, 1981
    Assignee: The Procter & Gamble Company
    Inventors: Christian R. Barrat, Jean Wevers, Robertus J. C. Koster
  • Pouch bleach
    Patent number: 4286016
    Abstract: A bleaching packet comprising a porous pouch containing a dry granular hypochlorite generating agent for the release of bleach in the aqueous medium of an automatic washing machine several minutes after the beginning of the wash cycle.
    Type: Grant
    Filed: April 12, 1979
    Date of Patent: August 25, 1981
    Assignee: The Drackett Company
    Inventors: Harold L. Dimond, Raymond C. Odioso, Roger E. Reavill
  • Alkaline dishwasher detergent
    Patent number: 4284524
    Abstract: Alkaline dishwasher detergent composition having a specific low level of a polyacetal carboxylate for improved hard water filming performance, especially in the presence of precipitating builders. The detergent composition is substantially free of highly alkaline materials and other organic builders.
    Type: Grant
    Filed: June 30, 1980
    Date of Patent: August 18, 1981
    Assignee: The Procter & Gamble Company
    Inventor: Lawrence A. Gilbert
  • Particulate bleach compositions
    Patent number: 4283302
    Abstract: Particulate bleach (and detergent) compositions with improved bleach efficiency are disclosed comprising a particulate peroxybleach compound and tetraacetyl ethylene diamine (TAED), said TAED having the following particle size distribution as determined by sieve analysis:0-20%>150 .mu.m10-100%>100 .mu.m<150 .mu.m0-50%<75 .mu.m0-20%<50 .mu.m,and being contained in granules in combination with a granulating agent, said granules having particle size ranging from 100-2000 .mu.m and comprising 10-99% by weight of TAED. The particulate bleach composition does not suffer from significant sedimentation and/or dissolution problems and does not suffer from significant decomposition problems during storage.
    Type: Grant
    Filed: July 7, 1980
    Date of Patent: August 11, 1981
    Assignee: Lever Brothers Company
    Inventors: Roger Foret, Philippus C. van der Hoeven
  • Method and composition to inhibit staining of porcelain surfaces by manganese
    Patent number: 4283300
    Abstract: Method and composition to inhibit the staining of water-contacting surfaces, such as those in a toilet bowl, which is caused by manganese present in household water in the presence of an oxidizing material. Manganese staining is inhibited by supplying to the water 0.1 to 10 ppm of a partially hydrolyzed polyacrylamide material. Compositions are also described in the context of an automatic toilet tank dispenser which provides sufficient quantities of the above material in solution to inhibit manganese staining of toilet bowl surfaces.
    Type: Grant
    Filed: April 9, 1979
    Date of Patent: August 11, 1981
    Assignee: The Procter & Gamble Company
    Inventor: James L. Kurtz
  • Bleaching process and compositions
    Patent number: 4283301
    Abstract: Peroxygen fabric bleaching compounds capable of yielding hydrogen peroxide in an aqueous solution are activated by long chain acyl compounds of the formula ##STR1## wherein Z is a leaving group which can be certain enols, carbon acids or N-alkyl quaternary imidazoles. The activated bleaching compositions herein are stable and especially suitable for use at relatively low temperatures. Bleaching processes and detergent compositions containing the bleaching compositions are also described.
    Type: Grant
    Filed: July 2, 1980
    Date of Patent: August 11, 1981
    Assignee: The Procter & Gamble Company
    Inventor: Francis L. Diehl
  • Aqueous hypochlorite solutions
    Patent number: 4282109
    Abstract: The invention provides a thickened bleach composition including an aqueous solution of alkali metal hypochlorite, nd a thickening amount of a surfactant blend comprising:(a) an amine oxide of formula: ##STR1## wherein R.sup.1 is an optionally branched chain alkyl group containing 10 to 18 carbon atoms; R.sup.2 is a lower alkyl group containing up to 3 carbon atoms, and(b) an alkali metal alkyl sulphate of formula: R.sup.3 --O--SO.sub.3 M, wherein R.sup.3 is an optionally branched chain alkyl group containing 8 to 12 carbon atoms and M is lithium, sodium or potassium.The proposed composition affords a measure of control over the physical properties of the composition, including the Cloud Point, to assist the composition in maintaining its desired cleansing properties even after prolonged storage.
    Type: Grant
    Filed: May 15, 1980
    Date of Patent: August 4, 1981
    Assignee: Reckitt & Colman Products Limited
    Inventors: Anthony M. Citrone, Stephen B. Pontin
  • Process for inhibiting the formation of mineral deposits from a water using N-N-dialkylureidomethane diphosphonic acids
    Patent number: 4279758
    Abstract: A process for inhibiting the formation of mineral deposits from a water using novel N,N'-dialkylureidomethane diphosphonic acids and their alkaline salts having the formula: ##STR1## wherein R.sub.1 and R.sub.2 represent separate alkyl groups having one to three carbon atoms or a ring-forming alkylene group having two or three carbon atoms and R is hydrogen or an alkali metal.
    Type: Grant
    Filed: October 1, 1980
    Date of Patent: July 21, 1981
    Assignee: Joh. A. Benckiser GmbH
    Inventors: Friedrich Kruger, Walter Michel
  • Homogeneous aqueous alpha-olefin sulfonate composition
    Patent number: 4279786
    Abstract: A homogeneous aqueous alpha-olefin sulfonate composition, which does not form "liquid crystal" due to temperature change and/or with the lapse of time, is presented. This composition contains, as a "liquid crystal" formation inhibitor, approximately 1 to approximately 10 parts by weight, based on 100 parts by weight of the alpha-olefin sulfonate, of at least one additive selected from the group consisting of allyl sulfonic acid, methallyl sulfonic acid, sorbic acid, gluconic acid, malic acid and the salts of said acids.
    Type: Grant
    Filed: December 12, 1979
    Date of Patent: July 21, 1981
    Assignee: The Lion Fat & Oil Co., Ltd.
    Inventors: Shizuo Sekiguchi, Tetsuo Tano, Kyozo Kitano
  • Encapsulated bleaches and methods of preparing them
    Patent number: 4279764
    Abstract: Bleaching compositions containing a chlorine bleaching agent coated with a silicate bound, hydrated, soluble salt containing an N--H chlorine accepting compound are described. Such compositions exhibit decreased localized dye attack of colored fabrics.
    Type: Grant
    Filed: June 30, 1980
    Date of Patent: July 21, 1981
    Assignee: FMC Corporation
    Inventor: Gaylen R. Brubaker
  • Detergent compositions comprised of non-abrasive siliceous scouring agents
    Patent number: 4279766
    Abstract: Detergent compositions comprised of conventional detergent ingredients and additives include a non-abrasive silica scouring agent having a B.E.T. surface area of between 80 and 150 m.sup.2 /g, and desirably a C.T.A.B. surface area below 45 m.sup.2 /g and a porosity on the mercury porosimeter below 20 cm.sup.3 /g.
    Type: Grant
    Filed: December 14, 1979
    Date of Patent: July 21, 1981
    Assignee: Rhone-Poulenc Industries
    Inventors: Daniel Joubert, Georges Vrisakis
  • Service descaler for aqueous systems
    Patent number: 4279768
    Abstract: A scale removing formulation designed to remove scale build-up on metallic working surfaces, the scale being conventional and composed of calcium salts and iron oxides from aqueous systems such as boilers, cooling towers, heat exchangers, and the like, while those systems are in service. The present invention utilizes a synergistic blend of a chelant, polymeric conditioners and a gluconate. Principle components of the formulation of the invention include a chelant, polymeric conditioners, a gluconate, a triazole, and sodium sulfite. The gluconate is utilized as an inhibitor for ferrous metal surfaces, with the triazole being utilized as an inhibitor for non-ferrous metal surfaces. The sodium sulfite is employed for removal of dissolved oxygen.
    Type: Grant
    Filed: February 4, 1980
    Date of Patent: July 21, 1981
    Assignee: Fremont Industries, Inc.
    Inventor: Bruce D. Busch
  • Solvent mixture for dissolving and removing epoxy resinous compounds
    Patent number: 4278557
    Abstract: A solvent solution for dissolving and removing epoxy resinous formulations. The solution is composed of a mixture of methanol, dichloromethane and distilled water as essential components.
    Type: Grant
    Filed: April 15, 1980
    Date of Patent: July 14, 1981
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventor: John L. Elwell, Jr.
  • Water treatment to inhibit corrosion and scale and process
    Patent number: 4277359
    Abstract: This invention is directed to a corrosion inhibiting composition and to a process for inhibiting corrosion and the deposition of mineral scale on metal in aqueous systems which comprises adding to the water effective amounts of a water soluble polymer comprising acrylic acid characterized by molecular weights ranging up to about 2500. The polymer comprises vinyl monomer in excess of about 90%, i.e. acrylic acid, in combination with minor amounts of phosphorous acid and derivatives thereof.
    Type: Grant
    Filed: April 4, 1979
    Date of Patent: July 7, 1981
    Assignee: Mogul Corporation
    Inventor: Richard J. Lipinski
  • Textile softening agent
    Patent number: 4277350
    Abstract: A softening agent comprising a quaternary ammonium salt is effectively useful for garment fabrics made of natural fibers or synthetic fibers.
    Type: Grant
    Filed: November 29, 1979
    Date of Patent: July 7, 1981
    Assignee: Kao Soap Co., Ltd.
    Inventors: Yutaka Minegishi, Toshiro Nishimura
  • Hydraulic fluids comprising orthosilicate esters
    Patent number: RE30698
    Abstract: As novel compounds, orthosilicate esters having the general formula: ##STR1## wherein R.sup.1 is a propylene glycol monoalkyl ether residue containing from 1 to 8 carbon atoms in the terminal alkyl group or is a tertiary alkyl group; each of R.sup.2, R.sup.3 and R.sup.4 is the same or different and is an ethylene or propylene glycol monoalkyl ether residue containing from 1 to 8 carbon atoms in the terminal alkyl group or is a tertiary alkyl group, provided that when R.sup.1 is a propylene glycol monoalkyl ether residue each of R.sup.2, R.sup.3 and R.sup.4 are also propylene glycol monoalkyl ether residues; the total number of carbon atoms in R.sup.1, R.sup.2, R.sup.3, and R.sup.4 being at least 15 and at least one of R.sup.1, R.sup.2, R.sup.3, and R.sup.4 being a glycol monoalkyl ether residue. Also disclosed are hydraulic fluids containing the novel compounds.
    Type: Grant
    Filed: October 10, 1979
    Date of Patent: August 4, 1981
    Assignee: Castrol Limited
    Inventors: John S. Elliott, Gerald J. J. Jayne, Herbert F. Askew, Colin J. Harrington