Class / Patent application number | Description | Number of patent applications / Date published |
525540240 | Starch, starch flour or meal, or derivative as chemical reactant | 16 |
20080234431 | Process Dor Gelatinising Starch Using a Biodegradable Polymer Material Bearing Aldehyde Groups - The invention provides a process wherein starch and/or a starch derivative can be gelatinised more efficiently by means a thermo mechanical treatment, when a carbohydrate polymer is used comprising aldehyde containing monomer units which comprise one or more aldehyde groups that are derived from one or more a primary alcohol groups. With this process a granulate or other semi-finished product can be obtained that can be shaped to produce an article that has excellent dimensional stability in water. The invention further provides a granulate, a shaped starch product, a food product or a blown starch film comprising such a carbohydrate polymer. | 09-25-2008 |
20100137514 | CATIONIC STARCH GRAFT COPOLYMERS AND NOVEL PROCESS FOR THE PREPARATION OF CATIONIC STARCH GRAFT COPOLYMERS - A cationic starch graft copolymer is prepared by polymerization of monomers a) to d)
| 06-03-2010 |
20130046057 | POLYIMIDE MEMBRANES AND THEIR PREPARATION - Disclosed are (1) a method of preparing a polyimide membrane, including cross-linking polyimides via thermal labile side chains and decomposition of the thermal labile side chains; and (2) polyimide membranes thus prepared. | 02-21-2013 |
20130066013 | ANTIMICROBIAL AND BACTERIOSTATIC-MODIFIED POLYMERS FOR CELLULOSE FIBRES - Polysaccharide fibres, such as cellulose or starch, modified by grafting an amino-containing antimicrobial polymer (ACP) onto the fibres or starch using a co-polymerization reaction, exhibits high antimicrobial activity. For example, the presence of 1.0% by weight grafted polymer in the cellulose fibres or starch fibres results in excellent antimicrobial activity (over 99% inhibition). The application further discloses that including triclosan or butylparaben into a novel cationic β-cyclodextrin polymer or nanocapsule yields a bacteriostat. | 03-14-2013 |
20140303322 | ANTIMICROBIAL AND BACTERIOSTATIC-MODIFIED POLYMERS FOR CELLULOSE FIBRES - Polysaccharide fibres, such as cellulose or starch, modified by grafting an amino-containing antimicrobial polymer (ACP) onto the fibres or starch using a co-polymerization reaction, exhibits high antimicrobial activity. For example, the presence of 1.0% by weight grafted polymer in the cellulose fibres or starch fibres results in excellent antimicrobial activity (over 99% inhibition). The application further discloses that including triclosan or butylparaben into a novel cationic β-cyclodextrin polymer or nanocapsule yields a bacteriostat. | 10-09-2014 |
20160017091 | PROCESS FOR MAKING STARCH RESIN COPOLYMER - A process for making a starch-resin copolymer is described, the process comprising: mixing at least one of a dicarboxylic acid and a dicarboxylic acid anhydride with a starch to yield a starch mixture; adding a liquid mixture including water and a polyol to the starch mixture to produce a functionalized starch; and mixing the functionalized starch with a resin to produce the starch-resin copolymer, wherein the starch used in the process has a low moisture content in comparison with the moisture content of starch used in current processes. Starch-resin copolymers produced by the present process can be biodegradable and compostable. | 01-21-2016 |
20160177039 | ANTIMICROBIAL AND BACTERIOSTATIC-MODIFIED POLYMERS FOR CELLULOSE FIBRES | 06-23-2016 |
525540260 | Previously formed solid polymer derived from ethylenic reactants only | 9 |
20090275699 | Starch containing formaldehyde-free thermoset binders for fiber products - Binder compositions are described that include a carboxyl-containing polymer, a cross-linking agent, and a starch compound having a molecular weight greater than about 10,000 g/mol. In addition, fiber products are described that include mineral or polymeric fibers and a binder prepared from an aqueous composition that includes a carboxyl-containing polymer, a cross-linking agent, and a starch having a molecular weight greater than 10,000 g/mol. | 11-05-2009 |
20090312491 | Crosslinked polyrotaxane and process for producing the same - A compound or material having safety, namely, biocompatibility that exhibits such a nongel-gel transition that the state of being nongel is presented on the side of low temperature while the state of being crosslinked, for example, gel is presented on the side of high temperature. There is provided a crosslinked polyrotaxane at least two molecules of polyrotaxane consisting of cyclodextrin molecules having a linear molecule included in a skewed manner in cavities thereof and having capping groups at each end of the linear molecule so as to prevent detachment of the cyclodextrin molecules, the above at least two molecules of polyrotaxane crosslinked with each other via physical bonds, characterized in that the hydroxyls (—OH) of the cyclodextrin molecules are partially or wholly substituted with non-ionic groups. | 12-17-2009 |
20100305271 | THERMOPLASTIC COMPOSITIONS BASED ON SOLUBLE STARCH AND METHOD FOR PREPARING SUCH COMPOSITIONS - A novel starch-based composition includes: (a) at least 45% by weight of at least one soluble starch, (b) at most 55% by weight of at least one non-biodegradable, non-amylaceous polymer, and (c) a bonding agent carrying at least two functional groups capable of reacting with molecules carrying functions including an active hydrogen, these amounts being expressed with respect to solids and relative to the sum of (a) and (b). A method for preparing such a starch-based composition and a thermoplastic composition prepared by heating such a composition are also described. | 12-02-2010 |
20110105688 | POLYROTAXANE, CROSSLINKED STRUCTURE COMPRISING POLYROTAXANE AND POLYMER, AND PROCESSES FOR PRODUCING THESE - A process is provided by which a polyrotaxane including cyclic molecules having a relatively long graft chain is easily obtained. Also provided is a polyrotaxane which includes cyclic molecules having a radical polymerization initiation site and is for use as a raw material in the process. The polyrotaxane comprises: a pseudo-polyrotaxane comprising cyclic molecules clathrated with a linear molecule, the cavities of the cyclic molecules having been pierced by the linear molecule; and blocking groups disposed respectively at both ends of the pseudo-polyrotaxane so as not to release the cyclic molecules. The cyclic molecules in the polyrotaxane have a radical polymerization initiation site. | 05-05-2011 |
20130030120 | AMPHIPHILIC MULTI-ARM COPOLYMERS AND NANOMATERIALS DERIVED THEREFROM - The present invention relates to polymers, nanomaterials, and methods of making the same. Various embodiments provide an amphiphilic multi-arm copolymer. The copolymer includes a core unit and a plurality of amphiphilic block copolymer arms. Each block copolymer arm is substituted on the core unit. Each block copolymer arm includes at least one hydrophilic homopolymer subunit and at least one hydrophobic homopolymer subunit. In some examples, the copolymer can include a star-like or bottlebrush-like block copolymer, and can include a Janus copolymer. Various embodiments provide a nanomaterial. In some examples, the nanomaterial can include Janus nanomaterials, and can include nanoparticles, nanorods, or nanotubes. The nanomaterial includes the amphiphilic multi-arm copolymer and at least one inorganic precursor. The inorganic precursor can be coordinated to at least one homopolymer subunit of one of the amphiphilic block copolymer arms to form the nanomaterial. Various embodiments also provide methods of making the copolymer and the nanomaterial. | 01-31-2013 |
20130137821 | AMPHIPHILIC MULTI-ARM COPOLYMERS AND NANOMATERIALS DERIVED THEREFROM - The present invention relates to polymers, nanomaterials, and methods of making the same. Various embodiments provide an amphiphilic multi-arm copolymer. The copolymer includes a core unit and a plurality of amphiphilic block copolymer arms. Each block copolymer arm is substituted on the core unit. Each block copolymer arm includes at least one hydrophilic homopolymer subunit and at least one hydrophobic homopolymer subunit. In some examples, the copolymer can include a star-like or bottlebrush-like block copolymer, and can include a Janus copolymer. Various embodiments provide a nanomaterial. In some examples, the nanomaterial can include Janus nanomaterials, and can include nanoparticles, nanorods, or nanotubes. The nanomaterial includes the amphiphilic multi-arm copolymer and at least one inorganic precursor. The inorganic precursor can be coordinated to at least one homopolymer subunit of one of the amphiphilic block copolymer arms to form the nanomaterial. Various embodiments also provide methods of making the copolymer and the nanomaterial. | 05-30-2013 |
20130190450 | CYCLODEXTRIN-BASED POLYMERS FOR THERAPEUTICS DELIVERY - The present invention relates to novel compositions of therapeutic cyclodextrin containing polymeric compounds designed as a carrier for small molecule therapeutics delivery and pharmaceutical compositions thereof. These cyclodextrin-containing polymers improve drug stability and solubility, and reduce toxicity of the small molecule therapeutic when used in vivo. Furthermore, by selecting from a variety of linker groups and targeting ligands the polymers present methods for controlled delivery of the therapeutic agents. The invention also relates to methods of treating subjects with the therapeutic compositions described herein. The invention further relates to methods for conducting pharmaceutical business comprising manufacturing, licensing, or distributing kits containing or relating to the polymeric compounds described herein. | 07-25-2013 |
20140256880 | Hybrid dendrite copolymers, compositions thereof and methods for producing the same - Hybrid dendrite copolymer compositions include a hybrid dendrite copolymer including at least one ethylenically unsaturated first monomer, at least one second ethylenically unsaturated second monomer and a naturally derived hydroxyl containing chain transfer agent as an end group. The at least one first and second ethylenically unsaturated monomers are on separate side chains of the naturally derived hydroxyl containing chain transfer agent. Methods of preparing a hybrid dendrite copolymer are also included. | 09-11-2014 |
20150299401 | Starch Based Reactor, Resultant Products, and Methods and Processes Relating Thereto - A process for making a starch-based resin from a starch-based plant feed stock generally comprising the steps of extracting starch content from prepared feed stock, preparing a dried starch from the extracted starch content that may be polymerized in a reactor with a catalytic material, a petroleum-based plastic resin, a quantity of glycerol, and an oil which is high in free hydrogen, and partially cross-linking the polymerized starch with a petroleum-based plastic resin to form a starch-based resin that may be used to produce starch-based film and bag products and other articles of manufacture that have unique degradation properties is disclosed herein. | 10-22-2015 |