Patents by Inventor Irving R. Schmolka
Irving R. Schmolka has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 4735015Abstract: A plant seed is prepared by enveloping the seed in a coating of a film-forming composition comprising certain polyoxyethylene-polyoxybutylene block copolymers.Type: GrantFiled: November 25, 1983Date of Patent: April 5, 1988Assignee: BASF CorporationInventor: Irving R. Schmolka
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Patent number: 4678664Abstract: This invention relates to a gel composition comprising water, mineral oil and two polyoxyethylene-polyoxybutylene block copolymers designated copolymer A and copolymer B wherein said block copolymers are cogeneric mixtures of conjugated polyoxybutylene-polyoxyethylene compounds containing in their structure oxybutylene groups, oxyethylene groups and an organic radical derived from a water-soluble organic compound containing a plurality of reactive hydrogen atoms and 2 to 12 carbon atoms wherein copolymer A has a molecular weight of the polyoxybutylene portion of at least about 1800 and the polyoxyethylene portions contribute from about 60 to 80 percent by weight of the compound and copolymer B has a polyoxybutylene portion with a molecular weight of at least about 600 and the polyoxyethylene portion contributes from about 20 to 40 percent by weight of the compound.Type: GrantFiled: September 30, 1982Date of Patent: July 7, 1987Assignee: BASF CorporationInventor: Irving R. Schmolka
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Patent number: 4668430Abstract: The subject invention relates to roll-on perfume compositions containing polyoxybutylene-polyoxyethylene block copolymers having an internal polyoxybutylene hydrophobe and external polyoxyethylene hydrophiles.Type: GrantFiled: April 2, 1985Date of Patent: May 26, 1987Assignee: BASF CorporationInventor: Irving R. Schmolka
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Patent number: 4637822Abstract: Unwanted settling in a composition comprising a suspension of fine particles of coal in fuel oil is eliminated or substantially reduced by adding an effective amount of a polyoxypropylene-polyoxyethylene copolymer which corresponds to the formula: ##STR1## in which the values of X.sub.1, X.sub.2, X.sub.3 and X.sub.4 may be the same or different, Y.sub.1, Y.sub.2, Y.sub.3 and Y.sub.4 may be the same or different, Y.sub.1 +Y.sub.2 +Y.sub.3 +Y.sub.4 give a total oxyethylene content of the molecule of from about 10 to 80 weight percent and X.sub.1, X.sub.2, X.sub.3 and X.sub.4 have values such that the total molecular weight of the molecule is from about 1500 to 30,000.Type: GrantFiled: November 2, 1981Date of Patent: January 20, 1987Assignee: BASF CorporationInventors: Joseph H. Y. Niu, Irving R. Schmolka
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Patent number: 4588581Abstract: A pressurized contraception composition in an aerosol container and adapted to form a spray upon release of pressure therefrom which composition is a liquid inside the container and forms a gel on contact with living tissue and process employing same, whereby the composition comprises water, propellant, a polyoxyethylene-polyoxybutylene copolymer, and a sperm function inhibitor.Type: GrantFiled: November 16, 1984Date of Patent: May 13, 1986Assignee: BASF CorporationInventor: Irving R. Schmolka
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Patent number: 4585647Abstract: A pressurized contraception composition in an aerosol container and adapted to form a spray upon release of pressure therefrom which composition is a liquid inside the container and forms a gel on contact with living tissue and process employing same, whereby the composition comprises water, propellant, a polyoxyethylene-polyoxypropylene copolymer, and preferably a sperm function inhibitor.Type: GrantFiled: November 19, 1984Date of Patent: April 29, 1986Assignee: BASF CorporationInventor: Irving R. Schmolka
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Patent number: 4544495Abstract: A shampoo composition containing a polyoxybutylene-polyoxyethylene nonionic surfactant has unexpectedly high viscosity and high foam.Type: GrantFiled: August 10, 1981Date of Patent: October 1, 1985Assignee: BASF Wyandotte CorporationInventor: Irving R. Schmolka
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Patent number: 4534959Abstract: A pressurized composition in an aerosol container and adapted to form a spray upon release of pressure therefrom which composition is a liquid inside the container and forms a gel on contact with living tissue comprising water, propellant and a polyoxyethylene-polyoxypropylene copolymer. The preferred composition may advantageously include a skin treating agent, and conventional adjuvants.Type: GrantFiled: August 22, 1983Date of Patent: August 13, 1985Assignee: BASF Wyandotte CorporationInventor: Irving R. Schmolka
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Patent number: 4511563Abstract: The subject invention relates to analgesic gels which comprise1. from 5 to 15 parts of an analgesic compound;2. from 10 to 40 parts of a nonionic surfactant which forms a gel in water alone at about 15 to 30 percent by weight based upon the weight of the water plus the weight of the nonionic surfactant;3. from 5 to 40 parts of glycerin;4. from 40 to 75 parts of water; and5. optional ingredients (q.v.)said parts based upon 100 parts of the composition and provided that the weight ratio of nonionic surfactant to water is from 5:1 to 3:1.The subject gels are clear, water soluble and are not tacky when applied to the skin.Type: GrantFiled: July 15, 1983Date of Patent: April 16, 1985Assignee: BASF Wyandotte CorporationInventor: Irving R. Schmolka
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Patent number: 4495169Abstract: A pressurized shaving cream composition in an aerosol container and adapted to form a spray upon release of pressure therefrom which composition is a liquid inside the container and forms a gel on contact with living tissue comprising water, volatile solvent, propellant and a polyoxyethylene-polyoxypropylene copolymer. The preferred composition also includes a volatile solvent and may advantageously include a treatment agent and conventional additives.Type: GrantFiled: August 22, 1983Date of Patent: January 22, 1985Assignee: BASF Wyandotte CorporationInventor: Irving R. Schmolka
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Patent number: 4495168Abstract: A pressurized composition in an aerosol container and adapted to form a spray upon release of pressure therefrom which composition is a liquid inside the container and forms a gel on contact with living tissue comprising water, propellant and a polyoxyethylene-polyoxybutylene copolymer. The preferred composition also includes a volatile solvent and may advantageously include a skin treating agent, and conventional adjuvants.Type: GrantFiled: August 22, 1983Date of Patent: January 22, 1985Assignee: BASF Wyandotte CorporationInventor: Irving R. Schmolka
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Patent number: 4490279Abstract: The invention relates to foam stabilized compositions containing (a) a high foaming nonionic surfactant which is a block copolymer that is an alkylene oxide adduct of ethylene glycol, propylene glycol, or diethylene glycol, and (b) a foam-stabilizing amount of an amine oxide derived from a fatty alcohol which has been oxyethylated to the extent that ethylene oxide units account for approximately 50 to 75 weight percent of the molecular weight of the fatty alcohol-ethylene oxide adduct. The compositions are useful in the formulation of various products in which foam stability is needed, such as hand detergent bars, hair shampoos, rug shampoos, hand dishwashing detergents, etc..Type: GrantFiled: August 17, 1981Date of Patent: December 25, 1984Assignee: BASF Wyandotte CorporationInventor: Irving R. Schmolka
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Patent number: 4476107Abstract: Mouthwashes are disclosed which utilize a polyoxyethylene-polyoxybutylene block copolymer wherein the polyoxybutylene portion of the compound has a molecular weight of at least about 500 and the polyoxyethylene portions contribute from about 50 to 90 percent by weight of the compound. Unexpectedly, the nonionic surfactants solubilize flavoring oils at temperatures below 8.degree. C. so that the mouthwash compositions of the invention remain clear and haze free even when stored at low temperatures.Type: GrantFiled: June 13, 1983Date of Patent: October 9, 1984Assignee: BASF Wyandotte CorporationInventor: Irving R. Schmolka
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Patent number: 4474912Abstract: The instant invention relates to water-in-oil emulsions which are non-irritating to the skin, low in toxicity, colorless and easy to wash off, which contain as the emulsifying agent a polyoxyalkylene compound of the formula:Y(A).sub.m --(B).sub.n Hwherein Y is the residue formed by the removal of one atom of active hydrogen from a suitable initiator, A is a hydrophobic, heteric mixture of an oxytetramethylene radical, derived from tetramethylene oxide and a vicinal alkylene oxide radical derived from propylene oxide; B is primarily C.sub.2 H.sub.4 O; m is an integer such that the total molecular weight of the hydrophobe is about 500 to 2000 and n is an integer such that B is about 20 to 50 percent of the total weight of the compound.Type: GrantFiled: August 29, 1983Date of Patent: October 2, 1984Assignee: BASF Wyandotte CorporationInventors: Ahmet C. Ozmeral, Irving R. Schmolka
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Patent number: 4473492Abstract: This invention relates to a stable electrode cream capable of carrying weak electric current comprising an electrolyte in normal electrolyte amounts, a polyoxyethylene-polyoxybutylene block copolymer wherein the polyoxybutylene portion of the compound has a molecular weight of at least about 1000, and the polyoxyethylene portions contribute from about 60 to 90 percent by weight of the compound, the amount of the block copolymer being about 10 to 30 percent by weight and the balance substantially water.Type: GrantFiled: June 6, 1983Date of Patent: September 25, 1984Assignee: BASF Wyandotte CorporationInventor: Irving R. Schmolka
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Patent number: 4465661Abstract: Oral products such as mouthwashes and dentifrices are disclosed which utilize a polyoxyethylene derivative of a fatty alcohol having 15 to 20 carbon atoms wherein the polyoxyethylene chains are responsible for about 50 to about 90 percent of the molecular weight of the surfactant. Unexpectedly, the nonionic surfactants solubilize peppermint oil and other flavorants at ambient temperatures and below so that the mouthwash compositions of the invention remain clear and haze free. The visually clear dental creams of the invention also maintain their clarity at ambient temperatures and below. Both mouthwash and dental creams of the invention are free of the usual bitter surfactant taste.Type: GrantFiled: February 16, 1983Date of Patent: August 14, 1984Assignee: BASF Wyandotte CorporationInventor: Irving R. Schmolka
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Patent number: 4465663Abstract: Clear aqueous gels prepared from certain polyoxybutylene-polyoxyethylene block polymers are used for topically applied cosmetic and pharmaceutical compositions and remain gels at refrigerator and freezer temperatures.Type: GrantFiled: July 27, 1981Date of Patent: August 14, 1984Assignee: BASF Wyandotte CorporationInventor: Irving R. Schmolka
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Patent number: 4450091Abstract: It has been found in accordance with the instant invention that the viscosity of a shampoo formulation based on a blend of amphoteric and nonionic surfactants could be considerably enhanced by replacement of a part of the amphoteric surfactant with an anionic surfactant. The shampoo compositions also contain as essential ingredients both an alkanolamide and a polyoxyalkylene glycol fatty ester. These shampoo products are characterized by increased viscosity as well as mildness towards the eyes and superior foam compared to some leading commercial products.The nonionic surfactant is a cogeneric mixture of conjugated polyoxybutylene-polyoxyethylene compounds containing in their structure oxybutylene groups, oxyethylene groups and an organic radical derived from an organic compound containing a pluarlity of reactive hydrogen atoms.Type: GrantFiled: March 31, 1983Date of Patent: May 22, 1984Assignee: BASF Wyandotte CorporationInventor: Irving R. Schmolka
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Patent number: 4395393Abstract: An artificial blood composition comprises a perfluoro chemical, physiological saline and a polyoxybutylene-polyoxyethylene block copolymer. The block copolymer provides stable emulsions.Type: GrantFiled: August 10, 1981Date of Patent: July 26, 1983Assignee: BASF Wyandotte CorporationInventor: Irving R. Schmolka
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Patent number: 4387217Abstract: An iodophor containing a polyoxybutylene-polyoxy-ethylene nonionic block copolymer has unexpectedly high foam.Type: GrantFiled: April 7, 1982Date of Patent: June 7, 1983Assignee: BASF Wyandotte CorporationInventor: Irving R. Schmolka