Patents by Inventor Stephen B. Christensen
Stephen B. Christensen 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).
-
Patent number: 10415004Abstract: A solid fabric softening composition is disclosed which includes a quaternary ammonium fabric softening compound which is stabilized to form a solid with a mixture of a water soluble organic salt and a medium to long chain carboxylic acid. This stabilizing combination has been shown to effectively form a solid quaternary ammonium based fabric softening composition with up to as much as 70% by weight of quaternary ammonium compound. The formulations are stable at typical storage temperatures of up to 110° F. and provide fabric softening similar to and even superior to other traditional liquid formulations.Type: GrantFiled: April 17, 2018Date of Patent: September 17, 2019Assignee: Ecolab USA Inc.Inventors: Stephen B. Christensen, Joanna A. Pham, Jessica Bull
-
Publication number: 20180230402Abstract: A solid fabric softening composition is disclosed which includes a quaternary ammonium fabric softening compound which is stabilized to form a solid with a mixture of a water soluble organic salt and a medium to long chain carboxylic acid. This stabilizing combination has been shown to effectively form a solid quaternary ammonium based fabric softening composition with up to as much as 70% by weight of quaternary ammonium compound. The formulations are stable at typical storage temperatures of up to 110° F. and provide fabric softening similar to and even superior to other traditional liquid formulations.Type: ApplicationFiled: April 17, 2018Publication date: August 16, 2018Inventors: STEPHEN B. CHRISTENSEN, JOANNA A. PHAM, JESSICA BULL
-
Patent number: 9969957Abstract: A solid fabric softening composition is disclosed which includes a quaternary ammonium fabric softening compound which is stabilized to form a solid with a mixture of a water soluble organic salt and a medium to long chain carboxylic acid. This stabilizing combination has been shown to effectively form a solid quaternary ammonium based fabric softening composition with up to as much as 70% by weight of quaternary ammonium compound. The formulations are stable at typical storage temperatures of up to 110° F. and provide fabric softening similar to and even superior to other traditional liquid formulations.Type: GrantFiled: June 15, 2016Date of Patent: May 15, 2018Assignee: Ecolab USA Inc.Inventors: Stephen B. Christensen, Joanna A. Pham, Jessica Bull
-
Patent number: 9670438Abstract: A composition having a pH of less than 7 and including one or more surfactants, one or more chelating agents, and one or more acid in an aqueous solvents is used to treat stains on a textile caused by sunscreen lotion. Sunscreen stains in textiles can be reduced to a ?b* of 5 or less as compared to the textile before staining. The method includes preparing a use solution having a pH of less than 7 by applying to the wash solution a solid composition comprising about 15 to about 60 wt-% of surfactants; about 4 to about 18 wt-% chelating agents; and about 10 to about 40 wt-% of an acid or a salt thereof, and washing the textile in the wash solution, where the method is capable or reducing the stain in the textile to a ?b* of 7 or less as compared to the textile before staining.Type: GrantFiled: January 12, 2016Date of Patent: June 6, 2017Assignee: Ecolab USA Inc.Inventors: Stephen B. Christensen, Jessica R. Bull, Kirsten M. Weeks, Dawn N. Lock, Joanna Ai Pham
-
Publication number: 20160298058Abstract: A solid fabric softening composition is disclosed which includes a quaternary ammonium fabric softening compound which is stabilized to form a solid with a mixture of a water soluble organic salt and a medium to long chain carboxylic acid. This stabilizing combination has been shown to effectively form a solid quaternary ammonium based fabric softening composition with up to as much as 70% by weight of quaternary ammonium compound. The formulations are stable at typical storage temperatures of up to 110° F. and provide fabric softening similar to and even superior to other traditional liquid formulations.Type: ApplicationFiled: June 15, 2016Publication date: October 13, 2016Inventors: Stephen B. Christensen, Joanna A. Pham, Jessica Bull
-
Publication number: 20160222329Abstract: A composition having a pH of less than 7 and including one or more surfactants, one or more chelating agents, and one or more acid in an aqueous solvents is used to treat stains on a textile caused by sunscreen lotion. Sunscreen stains in textiles can be reduced to a ?b* of 5 or less as compared to the textile before staining. The method includes preparing a use solution having a pH of less than 7 by applying to the wash solution a solid composition comprising about 15 to about 60 wt-% of surfactants; about 4 to about 18 wt-% chelating agents; and about 10 to about 40 wt-% of an acid or a salt thereof, and washing the textile in the wash solution, where the method is capable or reducing the stain in the textile to a ?b* of 7 or less as compared to the textile before staining.Type: ApplicationFiled: January 12, 2016Publication date: August 4, 2016Inventors: Stephen B. Christensen, Jessica R. Bull, Kirsten M. Weeks, Dawn N. Lock, Joanna Ai Pham
-
Patent number: 9388366Abstract: A solid fabric softening composition is disclosed which includes a quaternary ammonium fabric softening compound which is stabilized to form a solid with a mixture of a water soluble organic salt and a medium to long chain carboxylic acid. This stabilizing combination has been shown to effectively form a solid quaternary ammonium based fabric softening composition with up to as much as 70% by weight of quaternary ammonium compound. The formulations are stable at typical storage temperatures of up to 110° F. and provide fabric softening similar to and even superior to other traditional liquid formulations.Type: GrantFiled: January 6, 2014Date of Patent: July 12, 2016Assignee: Ecolab USA Inc.Inventors: Stephen B. Christensen, Joanna A. Pham, Jessica Bull
-
Patent number: 8759272Abstract: The invention relates to methods and compositions for treating non-trans fats, fatty acids and sunscreen stains with a chelating agent. The invention also relates to methods for reducing the frequency of laundry fires with a chelating agent.Type: GrantFiled: December 17, 2012Date of Patent: June 24, 2014Assignee: Ecolab USA Inc.Inventors: Victor F. Man, Yvonne M. Killeen, Stephen B. Christensen, Joanna A. Pham, Dawn Lock
-
Publication number: 20140115794Abstract: A solid fabric softening composition is disclosed which includes a quaternary ammonium fabric softening compound which is stabilized to form a solid with a mixture of a water soluble organic salt and a medium to long chain carboxylic acid. This stabilizing combination has been shown to effectively form a solid quaternary ammonium based fabric softening composition with up to as much as 70% by weight of quaternary ammonium compound. The formulations are stable at typical storage temperatures of up to 110° F. and provide fabric softening similar to and even superior to other traditional liquid formulations.Type: ApplicationFiled: January 6, 2014Publication date: May 1, 2014Applicant: ECOLAB USA INCInventors: Stephen B. Christensen, Joanna A. Pham, Jessica Rose Carlson
-
Patent number: 8673838Abstract: A solid fabric softening composition is disclosed which includes a quaternary ammonium fabric softening compound which is stabilized to form a solid with a mixture of a water soluble organic salt and a medium to long chain carboxylic acid. This stabilizing combination has been shown to effectively form a solid quaternary ammonium based fabric softening composition with up to as much as 70% by weight of quaternary ammonium compound. The formulations are stable at typical storage temperatures of up to 110° F. and provide fabric softening similar to and even superior to other traditional liquid formulations.Type: GrantFiled: June 22, 2011Date of Patent: March 18, 2014Assignee: Ecolab USA Inc.Inventors: Stephen B. Christensen, Joanna A. Pham, Jessica Rose Carlson
-
Patent number: 8367601Abstract: Disclosed are concentrated liquid rinse cycle fabric softener compositions comprising a quaternary ammonium cation and benzylated alcohol solvent having between 50% to 90% weight active ingredients. Benzyl alcohol is disclosed as a preferred solvent to produce a clear liquid solution formulation rather than emulsion. The concentrated liquid rinse cycle fabric softener compositions of the present invention possess desirable stability, sustainability and fabric-softening properties. Methods of use are further described.Type: GrantFiled: June 1, 2012Date of Patent: February 5, 2013Assignee: Ecolab USA Inc.Inventors: Jessica Carlson, Stephen B. Christensen, Robert D. P. Hei
-
Patent number: 8361950Abstract: The invention relates to methods and compositions for treating non-trans fats, fatty acids and sunscreen stains with a chelating agent. The invention also relates to methods for reducing the frequency of laundry fires with a chelating agent.Type: GrantFiled: November 30, 2010Date of Patent: January 29, 2013Assignee: Ecolab USA Inc.Inventors: Victor F. Man, Yvonne M. Killeen, Stephen B. Christensen, Joanna A. Pham, Dawn Lock
-
Publication number: 20120324652Abstract: A solid fabric softening composition is disclosed which includes a quaternary ammonium fabric softening compound which is stabilized to form a solid with a mixture of a water soluble organic salt and a medium to long chain carboxylic acid. This stabilizing combination has been shown to effectively form a solid quaternary ammonium based fabric softening composition with up to as much as 70% by weight of quaternary ammonium compound. The formulations are stable at typical storage temperatures of up to 110° F. and provide fabric softening similar to and even superior to other traditional liquid formulations.Type: ApplicationFiled: June 22, 2011Publication date: December 27, 2012Applicant: ECOLAB USA INC.Inventors: Stephen B. Christensen, Joanna A. Pham, Jessica Rose Carlson
-
Patent number: 8314057Abstract: The invention discloses synergistic combinations of surfactants blends and cleaning composition. In certain embodiments a surfactant system is disclosed which includes extended anionic surfactants, linker surfactants, and a multiply charged cation component. This system forms emulsions with, and can remove greasy and oily stains, even those comprised of non-trans fats. In another embodiment anionic surfactants are combined with a solvent, and amine oxide to remove sunscreen stains. The compositions may be used alone, as a pre-spotter or other pre-treatment or as a part of a soft surface or hard surface cleaning composition.Type: GrantFiled: September 17, 2010Date of Patent: November 20, 2012Assignee: Ecolab USA Inc.Inventors: Stephen B. Christensen, Joanna A. Pham, Victor Fuk-Pong Man, Michael Charles DeNoma, Yvonne Marie Killeen, Steven Eugene Lentsch, Dawn Lock
-
Publication number: 20120071384Abstract: The invention discloses synergistic combinations of surfactants blends and cleaning composition. In certain embodiments a surfactant system is disclosed which includes extended anionic surfactants, linker surfactants, and a multiply charged cation component. This system forms emulsions with, and can remove greasy and oily stains, even those comprised of non-trans fats. In another embodiment anionic surfactants are combined with a solvent, and amine oxide to remove sunscreen stains. The compositions may be used alone, as a pre-spotter or other pre-treatment or as a part of a soft surface or hard surface cleaning composition.Type: ApplicationFiled: September 17, 2010Publication date: March 22, 2012Applicant: ECOLAB USA INC.Inventors: STEPHEN B. CHRISTENSEN, JOANNA A. PHAM, VICTOR FUK-PONG MAN, MICHAEL CHARLES DeNOMA, YVONNE MARIE KILLEEN, STEVEN EUGENE LENTSCH
-
Publication number: 20110179583Abstract: The invention relates to methods and compositions for treating non-trans fats, fatty acids and sunscreen stains with a chelating agent. The invention also relates to methods for reducing the frequency of laundry fires with a chelating agent.Type: ApplicationFiled: November 30, 2010Publication date: July 28, 2011Applicant: Ecolab USA Inc.Inventors: Victor F. Man, Yvonne M. Killeen, Stephen B. Christensen, Joanna A. Pham
-
Patent number: 5629377Abstract: A water-absorbent resin particles that exhibits a centrifuged absorption capacity of 26 g/g or greater, an absorption under load of 24 g/g or greater at 0.6 psi load. Other aspects of the invention are processes for the preparation of such water-absorbent resin particles which comprise the inclusion of chlorine or bromine containing oxidizing agent followed by the heat-treatment to produce particles with superior centrifuged absorption capacity in combination with high absorption under load at high load, and acceptable levels of residuals. These water-absorbent resin particles provide superior performance when incorporated into absorbent structures.Type: GrantFiled: August 11, 1995Date of Patent: May 13, 1997Assignee: The Dow Chemical CompanyInventors: Josef H. Burgert, Stephen B. Christensen, Herbert A. Gartner, Fredric L. Buchholz, Thomas C. Johnson, Andrew T. Graham
-
Patent number: 5194286Abstract: This invention relates to digestively hydrolyzable low calorie edible oil substitutes. These compounds have the organoleptic properties of normal triglycerides fats, but are lower in available calories. Specifically, the invention is directed to a composition of matter. The compositions are in one embodiment amides of dimer acids or trimer acids made from glycinates. The compounds are in part directed to amides based on the amino acid esters of the amino acid glycine. The utility of these compounds is in a low caloric edible oil.Type: GrantFiled: May 4, 1992Date of Patent: March 16, 1993Assignee: The Dow Chemical CompanyInventors: Stephen B. Christensen, Attila G. Relenyi, Robert G. LaBarge, Bassam S. Nader
-
Patent number: 4988807Abstract: A method of removing undesirable material from water-soluble polysaccharide ethers, such as water-soluble cellulose ethers, via contact of an aqueous solution of the water-soluble polysaccharide ether with an anion exchange resin. Anion exchange resins that are useful in the invention are derived from epoxy resin polymers, acrylic based copolymers or a copolymer of styrene-divinylbenzene. The method significantly reduces the amount of colored bodies in the polysaccharide ether.Type: GrantFiled: April 9, 1990Date of Patent: January 29, 1991Assignee: The Dow Chemical CompanyInventors: Stephen B. Christensen, Gary J. Schulz, Susan Kling
-
Patent number: 4980191Abstract: Reduced calorie food compositions are produced by replacing at least a portion of the fat content of a conventional food with an improved low calorie edible oil substitute that does not have a laxative effect. This substitute is an esterified form of polymerized C.sub.18 unsaturated fatty acids that has the property of being at least partly hydrolyzed by the processes of intestinal digestion into simple alcohols and polybasic acids. These polybasic acids are of sufficient molecular weight that they are substantially not absorbed by the intestine, and are thus non-caloric. Since only the alcohol portion contributes calories, the ester as a whole has reduced caloric availability as compared to triglyceride oils. Additionally, the edible oil substitute of this invention has the property of being altered in physical form by said intestinal digestion from an oil of low viscosity into either an oil of high vicosity.Type: GrantFiled: November 30, 1989Date of Patent: December 25, 1990Assignee: The Dow Chemical CompanyInventor: Stephen B. Christensen