Patents by Inventor Mircea Dan Bucevschi

Mircea Dan Bucevschi 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).

  • Publication number: 20220025263
    Abstract: The present invention relates to polymeric soil conditioner as a new water absorbing polymeric material and a process for the production of water absorbing materials consisting of a combination of synthetic polymers and biopolymers, with an improved high water absorbency at repeated watering, capable to reduce the effect of accumulation of salts in polymeric matrix as of multiple cycles of swelling-deswelling that occurs during all period of living of vegetable culture, by decreasing of crosslinking density of three dimensional network of the material caused by biochemical processes that developed in polymeric gels.
    Type: Application
    Filed: November 12, 2019
    Publication date: January 27, 2022
    Inventors: Mircea Dan BUCEVSCHI, Zwika MEIRI, Shai SHAHAL
  • Publication number: 20210187477
    Abstract: The present invention relates to a process for production of water-absorbing textile composite materials comprising the use of a polymeric composite solution and a textile material (non-woven, woven and other). The textile material is impregnated with the composite polymeric solution, which after thermal treatment is cross-linked in situ. More particularly, the present invention relates to an absorbent textile composite article comprising textile fibers and a polymers network interpenetrating the textile fibers, the polymers network comprising natural polymer crosslinked to synthetic polymer in the absence of non-polymeric crosslinking agent. The textile composite article exhibits excellent absorbency of aqueous media such as food liquids, cosmetic liquids, pharmaceutical liquids or human body secretions.
    Type: Application
    Filed: April 2, 2019
    Publication date: June 24, 2021
    Inventors: Mircea Dan BUCEVSCHI, Zvi MEIRI, Shai SHAHAL
  • Publication number: 20210147588
    Abstract: The invention describes a method for the production of a biodegradable superabsorbent composite polymer material, characterized by high absorbency under load. The invention also describes novel composite material made of styrene maleic acid copolymer preferably in salt form and a biopolymer, coated with biodegradable coating agents and crosslinked.
    Type: Application
    Filed: April 2, 2019
    Publication date: May 20, 2021
    Inventors: Mircea Dan BUCEVSCHI, Zvi MEIRI, Shai SHAHAL
  • Publication number: 20190144497
    Abstract: A method for producing a water-soluble protein concentrate from plant biomass is disclosed, comprising: obtaining plant matter from said plant biomass; drying said plant matter; grinding said dry plant matter; de-chlorophyllizing said ground dry plant matter; treating said ground dry de-chlorophyllized plant matter with water, thereby at least partially dissolving water-soluble protein content of said dry de-chlorophyllized plant matter and preparing an aqueous suspension of said dry de-chlorophyllized plant matter; separating said aqueous suspension of said dry de-chlorophyllized plant matter into a first neutral extract and a wet solid; and, drying said first neutral extract, thereby yielding a water-soluble protein concentrate. Also disclosed is a water-soluble protein concentrate produced by the method.
    Type: Application
    Filed: July 6, 2017
    Publication date: May 16, 2019
    Inventor: Mircea Dan BUCEVSCHI
  • Publication number: 20180258287
    Abstract: The present invention is directed to a biocompatible and biodegradable natural disperse dye for dyeing polyester fabrics which is dispersed in water and derived from green plants. The disperse dye contains as the active dye compound an acid bewchlorophyllin derivative such as acid form Mg-chlorophyllin or acid form Cu-chlorophyllin. The disperse dye of the present invention can be used for the dyeing of polyester fabrics by traditional methods in concentrations ranging from 0.01% to 20% on weight of fibers (OWF), thus providing a dyed fabric with good color strength and good fastness to light, washing and rubbing, under conditions of dye exhaustion of greater than 90%.
    Type: Application
    Filed: May 15, 2018
    Publication date: September 13, 2018
    Inventors: Itzhak SHALEV, Ehud ELITUV, Mircea Dan BUCEVSCHI
  • Publication number: 20170215436
    Abstract: The present invention discloses a malleable mass of dough comprising: (a) dry material; said dry material comprises flour; and, (b) a liquid component; wherein said liquid component originates from fresh whole Wolffia genus plant added to said dry material during process of kneading; said flour to said fresh Wolffia plant weight ratio (w/w) is in the rage of 100:47 to 100:88; further wherein said dough has a consistency of 500+/?15 FU or [10-170 kPa].
    Type: Application
    Filed: April 12, 2017
    Publication date: August 3, 2017
    Applicant: HINOMAN LTD
    Inventors: Ehud ELITUV, Mircea Dan BUCEVSCHI
  • Publication number: 20170174889
    Abstract: The present invention is directed to a biocompatible and biodegradable natural disperse dye for dyeing polyester fabrics which is dispersed in water and derived from green plants. The disperse dye contains as the active dye compound an acid chlorophyllin derivative such as acid form Mg-chlorophyllin or acid form Cu-chlorophyllin. The disperse dye of the present invention can be used for the dyeing of polyester fabrics by traditional methods in concentrations ranging from 0.01% to 20% on weight of fibers (OWF), thus providing a dyed fabric with good color strength and good fastness to light, washing and rubbing, under conditions of dye exhaustion of greater than 90%.
    Type: Application
    Filed: March 24, 2015
    Publication date: June 22, 2017
    Applicant: HINOMAN LTD
    Inventors: Itzhak SHALEV, Ehud ELITUV, Mircea Dan BUCEVSCHI
  • Publication number: 20160338366
    Abstract: The present invention discloses a malleable mass of dough comprising: (a) dry material; said dry material comprises flour; and, (b) a liquid component; said liquid component comprising liquid essentially originating from fresh whole Wolffia genus plant added to said dry material during the kneading process; said liquid component extractable from said fresh whole plant during the plant disruptive dough kneading process. The present invention further discloses methods for preparing the aforementioned malleable mass of dough.
    Type: Application
    Filed: January 27, 2015
    Publication date: November 24, 2016
    Applicant: HINOMAN LTD
    Inventors: Ehud ELITUV, Mircea Dan BUCEVSCHI
  • Patent number: 8378022
    Abstract: A biocompatible, biodegradable, macromolecular water-absorbent hybrid material (WAHM), having a three-dimensional configuration with intermolecular covalent bonds and containing free functional groups, said polymer being formed by polymer-polymer intercoupling reaction between a natural water-soluble polymer A or its derivatives having a molecular weight between 20,000 and 300,000 Da, and a synthetic polymer B in an adequate ratio wherein the natural polymer A is selected from amphoteric reactants, partially denatured or chemically modified natural polymer, that dissociates in water to form both anions and cations, and which can undergo polymer-polymer intercoupling reactions, and wherein synthetic polymer B s a linear or branched reactive synthetic copolymer having a molecular weight of 50,000-500,000 Da derived from a vinyl monomer and an ethylenically unsaturated monomer, having a backbone with polymeric subunits covalently bonded to the polymer backbone, the subunits comprising ones with non-reactive and
    Type: Grant
    Filed: March 6, 2009
    Date of Patent: February 19, 2013
    Assignee: Exotech Bio Solutions Ltd.
    Inventors: Mircea Dan Bucevschi, Monica Colt, Mendy Axlerad
  • Patent number: 7985819
    Abstract: The present invention discloses styrene-maleic anhydride copolymers preparations using solventless techniques. The solventless method resulted in reduced amounts of residues, such as unreacted styrene and/or maleic anhydride monomers, which makes the copolymers particularly suitable for bioapplications.
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: July 26, 2011
    Assignee: Exotech Bio Solutions Ltd.
    Inventors: Mircea Dan Bucevschi, Monica Colt
  • Publication number: 20110160398
    Abstract: A biocompatible, biodegradable, macromolecular water-absorbent hybrid material (WAHM), having a three-dimensional configuration with intermolecular covalent bonds and containing free functional groups, said polymer being formed by polymer-polymer intercoupling reaction between a natural water-soluble polymer A or its derivatives having a molecular weight between 20,000 and 300,000 Da, and a synthetic polymer B in an adequate ratio wherein the natural polymer A is selected from amphoteric reactants, partially denatured or chemically modified natural polymer, that dissociates in water to form both anions and cations, and which can undergo polymer-polymer intercoupling reactions, and wherein synthetic polymer B is a linear or branched reactive synthetic copolymer having a molecular weight of 50,000-500,000 Da derived from a vinyl monomer and an ethylenically unsaturated monomer, having a backbone with polymeric subunits covalently bonded to the polymer backbone, the subunits comprising ones with non-reactive and
    Type: Application
    Filed: March 1, 2005
    Publication date: June 30, 2011
    Inventors: Mircea Dan Bucevschi, Monica Colt, Mendy Axeirad
  • Publication number: 20110021729
    Abstract: The present invention relates in part to poly(styrene-co-maleic anhydride/acid) copolymers having high purity, for example, having low amounts of maleic acid, maleic anhydride, and/or styrene. The present invention also relates in parts to methods of purifying poly(styrene-co-maleic anhydride/acid) copolymers to remove the residual monomers and low molecular weight fragments.
    Type: Application
    Filed: March 19, 2010
    Publication date: January 27, 2011
    Inventors: Eyal S. Ron, Yishai Zohar, Barry J. Hand, Mircea Dan Bucevschi, Monica Colt
  • Publication number: 20090324537
    Abstract: The present invention relates to swellable polymeric materials comprising a synthetic polymer, or copolymer, comprising a carboxylic group and a biopolymer that are suitable for bioapplications. Because of their ability to swell, the polymeric materials are suitable for use as stomach fillers for the treatment of being over weight or obese, or for inducing the feeling of being satiated. Methods for preparing the swellable polymeric materials comprising aqueous reaction systems are also disclosed.
    Type: Application
    Filed: March 26, 2009
    Publication date: December 31, 2009
    Inventors: Mircea Dan Bucevschi, Monica Colt, Mendy Axlerad
  • Publication number: 20090318649
    Abstract: The present invention discloses styrene-maleic anhydride copolymers preparations using solventless techniques. The solventless method resulted in reduced amounts of residues, such as unreacted styrene and/or maleic anhydride monomers, which makes the copolymers particularly suitable for bioapplications.
    Type: Application
    Filed: March 26, 2009
    Publication date: December 24, 2009
    Inventors: Mircea Dan Bucevschi, Monica Colt
  • Publication number: 20090306290
    Abstract: A biocompatible, biodegradable, macromolecular water-absorbent hybrid material (WAHM), having a three-dimensional configuration with intermolecular covalent bonds and containing free functional groups, said polymer being formed by polymer-polymer intercoupling reaction between a natural water-soluble polymer A or its derivatives having a molecular weight between 20,000 and 300,000 Da, and a synthetic polymer B in an adequate ratio wherein the natural polymer A is selected from amphoteric reactants, partially denatured or chemically modified natural polymer, that dissociates in water to form both anions and cations, and which can undergo polymer-polymer intercoupling reactions, and wherein synthetic polymer B s a linear or branched reactive synthetic copolymer having a molecular weight of 50,000-500,000 Da derived from a vinyl monomer and an ethylenically unsaturated monomer, having a backbone with polymeric subunits covalently bonded to the polymer backbone, the subunits comprising ones with non-reactive and
    Type: Application
    Filed: March 6, 2009
    Publication date: December 10, 2009
    Inventors: Mircea Dan Bucevschi, Monica Colt, Mendy Axlerad
  • Patent number: 6833488
    Abstract: A bio-compatible, biodegradable macromolecular water-absorbent polymeric material having a three-dimensional configuration with intermolecular covalent bonds and containing free functional groups selected from OH, SH, NH2, and COOH. The polymer is formed by polymer-polymer inter-coupling interaction between a natural water-soluble polymer A or its derivatives having a molecular weight between 20,000 and 500,000 Da, and a synthetic polymer B in a ratio of A:B of 15:85 to 85:15.
    Type: Grant
    Filed: March 30, 2001
    Date of Patent: December 21, 2004
    Assignee: Exotech Bio Solution Ltd.
    Inventors: Mircea Dan Bucevschi, Monica Colt
  • Publication number: 20020193516
    Abstract: A bio-compatible, biodegradable macromolecular water-absorbent polymeric material having a three-dimensional configuration with intermolecular covalent bonds and containing free functional groups selected from OH, SH, NH2, and COOH. The polymer is formed by polymer-polymer inter-coupling interaction between a natural water-soluble polymer A or its derivatives having a molecular weight between 20,000 and 500,000 Da, and a synthetic polymer B in a ratio of A:B of 15:85 to 85:15.
    Type: Application
    Filed: March 30, 2001
    Publication date: December 19, 2002
    Inventors: Mircea Dan Bucevschi, Monica Colt