Patents by Inventor Rafael Pi Subirana

Rafael Pi Subirana 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: 8765154
    Abstract: The invention relates to transparent softening agents containing: (a) ester quaternaries, which are obtained by reacting alkanolamines with a mixture consisting of fatty acids and of dicarboxylic acids, whereby the resulting esters are optionally alkoxylated and subsequently quaternized in a known manner, and containing; (b) auxiliary agents selected from the group formed by: (b1) fatty acid amidoamines and/or quaternization products thereof; (b2) betaines; (b3) nonionic surfactants; (b4) polyols and/or derivatives thereof; (b5) alcohols and/or; (b6) hydrotropes.
    Type: Grant
    Filed: December 15, 2000
    Date of Patent: July 1, 2014
    Assignee: Cognis IP Management GmbH
    Inventors: Joaquim Bigorra Llosas, Nuria Bonastre Gilabert, Rafael Pi Subirana, Gabriela Caldero
  • Patent number: 7956025
    Abstract: Fibers and fabrics having microcapsules containing active components adhered to the fibers and textiles by a binder material are provided. The fibers and textiles are produced by applying to the fiber and textiles a dispersion containing the microcapsules and the binder.
    Type: Grant
    Filed: April 22, 2003
    Date of Patent: June 7, 2011
    Assignee: Cognis IP Management GmbH
    Inventors: Terese Copete Vidal, Rafael Pi Subirana, Anna Tacies Capdevila
  • Patent number: 7807614
    Abstract: Quaternary surfactants of the formula (I), wherein R1CO is a linear or branched, saturated or unsaturated, optionally hydroxy-functionalized acyl radical having 6 to 22 carbon atoms and 0, 1, 2 or 3 double bonds, R2 is a CH2COOH radical, an alkyl radical having 1 to 4 carbon atoms, a CH2CH2OH or a CH2CH2OCH2CH2OH group, and X is halide, alkyl sulfate, alkyl carbonate or alkyl phosphate, are useful as surfactants in cosmetic and pharmaceutical preparations. Aqueous solutions above 50% by weight of the surfactants are flowable and pumpable.
    Type: Grant
    Filed: May 7, 2008
    Date of Patent: October 5, 2010
    Assignee: Cognis IP Management GmbH
    Inventors: Joaquin Bigorra Llosas, Karl Heinz Schmid, Rafael Pi Subirana, Nuria Bonastre Gilabert
  • Publication number: 20080207933
    Abstract: Quaternary surfactants of the formula (I), wherein R1CO is a linear or branched, saturated or unsaturated, optionally hydroxy-functionalized acyl radical having 6 to 22 carbon atoms and 0, 1, 2 or 3 double bonds, R2 is a CH2COOH radical, an alkyl radical having 1 to 4 carbon atoms, a CH2CH2OH or a CH2CH2OCH2CH2OH group, and X is halide, alkyl sulfate, alkyl carbonate or alkyl phosphate, are useful as surfactants in cosmetic and pharmaceutical preparations. Aqueous solutions above 50% by weight of the surfactants are flowable and pumpable.
    Type: Application
    Filed: May 7, 2008
    Publication date: August 28, 2008
    Inventors: Joaquin Bigorra Llosas, Karl Heinz Schmid, Rafael Pi Subirana, Nuria Bonastre Gilabert
  • Patent number: 6939935
    Abstract: Anionic polymers obtainable by: (a) esterifying maleic acid or its anhydride with alkyl polyalkylene glycols; (b) copolymerizing the esters obtained with (meth)acrylic acid; and (c) converting the polymers obtained into the salt form by addition of alkali metal bases; are disclosed.
    Type: Grant
    Filed: December 4, 2002
    Date of Patent: September 6, 2005
    Assignee: Cognis Iberia S.L.
    Inventors: Ramon Valls, Jaim Tuduri, Rafael Pi Subirana
  • Publication number: 20050150056
    Abstract: Disclosed are special fibers and textile surface structures which are characterized by the fact that they are provided with mixtures of (a) microcapsuled agents and (b) binding agents.
    Type: Application
    Filed: April 22, 2003
    Publication date: July 14, 2005
    Inventors: Terese Copete Vidal, Rafael Pi Subirana, Anna Tacies Capdevila
  • Publication number: 20040167232
    Abstract: Nanoemulsions having a droplet diameter of less than 3 &mgr;m and which exhibit good temperature stability are comprised of: (a) water; (b) a mineral oil, a Guerbet alcohol or a combination thereof; (c) an alkyl and/or alkenyl oligoglycoside; (d) an alkyl ether phosphate.
    Type: Application
    Filed: December 4, 2003
    Publication date: August 26, 2004
    Inventors: Joaquin Bigorra Llosas, Rafael Pi Subirana, Marta Torres Fernandez, Gabriela Caldero
  • Publication number: 20040102355
    Abstract: The invention relates to quaternary surfactants of formula (I) wherein R1CO represents a linear or branched, saturated or unsaturated acyl radical, optionally having a hydroxy function, and having between 6 and 22 carbon atoms and 0, 1, 2 or 3 double bonds; R2 represents a CH2COOH radical or an alkyl radical having between 1 and 4 carbon atoms, or a CH2CH2OH or CH2CH2OCH2CH2OH2 group; and X represents a halide, alkylsulfate, alkylcarbonate or alkylphosphate.
    Type: Application
    Filed: September 22, 2003
    Publication date: May 27, 2004
    Inventors: Joaquin Bigorra Llosas, Karl Heinz Schmid, Rafael Pi Subirana, Nuria Bonastre Gilabert
  • Patent number: 6710082
    Abstract: A thickener composition containing a reaction product of a hydroxycarboxylic acid selected from the group consisting of tartaric acid, malic acid, citric acid and mixtures thereof, and a fatty alcohol polyglycol ether corresponding to formula I: R1O(CH2CH2O)nH  (I) wherein R1 is an alkyl and/or alkenyl group containing from 6 to 22 carbon atoms, and n is a number from 20 to 150.
    Type: Grant
    Filed: May 25, 1999
    Date of Patent: March 23, 2004
    Assignee: Cognis Deutschland GbmH & Co. KG
    Inventors: Rafael Pi Subirana, Ester Prat Queralt, Joaquim Bigorra Llosas
  • Publication number: 20040028742
    Abstract: Thickeners corresponding to the general formula (I):
    Type: Application
    Filed: May 28, 2003
    Publication date: February 12, 2004
    Inventors: Joaquin Bigorra Llosas, Cristina Amela Conesa, Maria Escoda, Rafael Pi Subirana
  • Publication number: 20030161808
    Abstract: The invention relates to ester quaternary mixtures, containing (c) ester quaternaries with an acyl component which is derived from C6-C18 fatty acids and (d) ester quaternaries with an acyl component which is derived from C18-C22 fatty acids.
    Type: Application
    Filed: April 24, 2003
    Publication date: August 28, 2003
    Inventors: Joaquim Bigorra Llosas, Christina Amela Conesa, Rafael Pi Subirana
  • Publication number: 20030130162
    Abstract: The invention relates to transparent softening agents containing: (a) ester quaternaries, which are obtained by reacting alkanolamines with a mixture consisting of fatty acids and of dicarboxylic acids, whereby the resulting esters are optionally alkoxylated and subsequently quaternized in a known manner, and containing; (b) auxiliary agents selected from the group formed by: (b1) fatty acid amidoamines and/or quaternization products thereof; (b2) betaines; (b3) nonionic surfactants; (b4) polyols and/or derivatives thereof; (b5) alcohols and/or; (b6) hydrotropes.
    Type: Application
    Filed: October 22, 2002
    Publication date: July 10, 2003
    Inventors: Joaquim Bigorra Llosas, Nuria Bonastre Gilabert, Rafael Pi Subirana, Gabriela Caldero
  • Publication number: 20030121105
    Abstract: A composition containing a saponin present in an extract of an Argania spinosa plant.
    Type: Application
    Filed: November 19, 2002
    Publication date: July 3, 2003
    Inventors: Marta Domingo, Maria Dolors Lopez Gomez, Joaquin Bigorra Llosas, Rafael Pi Subirana
  • Publication number: 20030120027
    Abstract: Anionic polymers obtainable by: (a) esterifying maleic acid or its anhydride with alkyl polyalkylene glycols; (b) copolymerizing the esters obtained with (meth)acrylic acid; and (c) converting the polymers obtained into the salt form by addition of alkali metal bases; are disclosed.
    Type: Application
    Filed: December 4, 2002
    Publication date: June 26, 2003
    Inventors: Ramon Valls, Jaime Tuduri, Rafael Pi Subirana
  • Patent number: 6494920
    Abstract: A cleaning composition for use in cleaning textile, hair and skin, the composition containing: (a) an esterquat; and (b) aloe.
    Type: Grant
    Filed: November 2, 2001
    Date of Patent: December 17, 2002
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Manfred Weuthen, Rafael Pi Subirana, José Blasquez Fernandez, Bernd Fabry
  • Patent number: 6432895
    Abstract: Detergent mixtures comprising (a) an oligomeric esterquat which is the product of the process which comprises reacting a mixture of a mono-carboxylic acid and a dicarboxylic acid with an alkanolamine to form an alkanolamine oligoester and reacting the alkanolamine oligoester with an alkylating agent and (b) the product of the process which comprises reacting an alkylene oxide and a fatty acid amidoamine, wherein the weight ratio of components (a) to (b) is from about 10:90 to about 90:10; and wherein the oligomeric esterquat has at least two cationic centers.
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: August 13, 2002
    Assignee: Cognis Deutschland GmbH
    Inventors: Joaquin Bigorra, Nuria Bonastre Gilabert, Rafael Pi Subirana
  • Patent number: 6402976
    Abstract: A textile finish composition containing: (a) an esterquat; and (b) a quatemized fatty acid imidazoline.
    Type: Grant
    Filed: May 17, 1999
    Date of Patent: June 11, 2002
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Bernd Wahle, Guenter Uphues, Yvonne Reichert, Rafael Pi Subirana, Terese Copete Vidal
  • Publication number: 20020002298
    Abstract: The invention relates to a process for the production of esterquats in which triglycerides are transesterified with alkanolamines and the resulting fatty acid alkanolamine esters are subsequently quaternized with alkyl halides or dialkyl sulfates in the presence of solvents, characterized in that glycerol released during the transesterification is continuously removed from the reaction equilibrium.
    Type: Application
    Filed: May 11, 2001
    Publication date: January 3, 2002
    Inventors: Joaquim Bigorra Llosas, Rafael Pi Subirana, Nuria Bonastre Gilabert
  • Patent number: 6028229
    Abstract: A process for the production of end-capped nonionic surfactants corresponding to formula (I): ##STR1## in which R.sup.1 is an alkyl or alkenyl group containing 6 to 22 carbon atoms, n1 and n2 independently of one another represent 0 or a number from 1 to 10, m represents a number from 1 to 20 and R.sup.2 represents methyl or ethyl, by(a) etherifying a fatty alcohol polyglycol ether corresponding to formula (II): ##STR2## in which R.sup.1, n1, n2 and m are as defined above, with a dialkyl sulfate in the presence of a solid substantially water-free base and an alkali metal or alkaline earth metal hydride,(b) adding water to the crude ethers in such a quantity that phase separation occurs, and(c) removing the organic phase.
    Type: Grant
    Filed: August 11, 1997
    Date of Patent: February 22, 2000
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Joaquim Bigorra Llosas, Nuria Bonastre, Rafael Pi Subirana, Antonio Trius Oliva
  • Patent number: 6015780
    Abstract: A surfactant composition containing: (a) from 2 to 20% by weight of a betaine having a fatty residue containing exactly 12 carbon atoms; (b) from 3 to 18% by weight of an alkyl and/or alkenyl oligoglycoside; and (c) from 15 to 35% by weight of a fatty alcohol ether sulfate, all weights being based on the weight of the composition.
    Type: Grant
    Filed: April 8, 1998
    Date of Patent: January 18, 2000
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Joaquin Llosas Bigorra, Nuria Bonastre Gilabert, Miguel Osset Hernandez, Xavier Closa Cruxens, Rafael Pi Subirana