C08G65/3326

POLYMER COMPOSITIONS AND USE OF THESE POLYMER COMPOSITIONS AS DISPERSANTS
20170335068 · 2017-11-23 · ·

A polymer composition, obtainable by reacting a) a polymer P1 having at least one functional group of the formula (I) and a polymer backbone B, and b) a polymer P2 which is a polyolefine succinic anhydride:

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COMPOSITIONS AND METHODS FOR DELIVERY OF AGENTS

This disclosure provides improved lipid-based compositions, including lipid nanoparticle compositions, and methods of use thereof for delivering agents in vivo including nucleic acids and proteins. These compositions are not subject to accelerated blood clearance and they have an improved toxicity profile in vivo.

MICELLAR NANOCOMPLEX

The present invention relates to micellar nanocomplexes and a method of forming the same. The micellar nanocomplex comprises a micelle and an agent encapsulated within said micelle, where the micelle comprises a polymer-flavonoid conjugate, wherein said polymer is bonded to the B ring of said flavonoid. The micellar nanocomplex may have useful applications as a drug-delivery system.

Ultraviolet radiation absorbing polyethers

A polymer composition comprising a linear ultraviolet radiation absorbing polyether that comprises a chemically bound UV-chromophore.

Linear polyester and semi-linear glycidol polymer systems: formulation and synthesis of novel monomers and macromolecular structures

Disclosed herein are glycidol-based polymers, nanoparticles, and methods related thereto useful for drug delivery. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

Alkoxylated Polycarboxylic Acid Amides

Alkoxylated polycarboxylic acid amides are provided obtainable by first reacting an aromatic polycarboxylic acid containing at least three carboxylic acid units or anhydrides derived therefrom, preferably an aromatic polycarboxylic acid containing three or four carboxylic acid units or anhydrides derived therefrom, more preferably an aromatic polycarboxylic acid containing three carboxylic acid units or anhydrides derived therefrom, even more preferably trimellitic acid or trimellitic acid anhydride, most preferably trimellitic acid anhydride, with an amine alkoxylate and in a second step reacting the resulting product with an alcohol or amine or a mixture of alcohols and/or amines, preferably with an alcohol.

Method for damping shocks and vibrations

The invention relates to a method for attenuating vibrations and/or shocks, said method comprising providing a damper assembly which comprises a moving part and a supramolecular polymer in contact with said moving part, and exposing said moving part to said vibrations and/or shocks, wherein said supramolecular polymer is obtained by reacting: at least one first polymer [polymer (P1)] comprising a polymer chain [chain (R)] consisting of a plurality of non-ionisable recurring units [units (U)], said polymer (P1) having two chain ends (E1, E1′), each end comprising at least one ionisable acid group, and at least one second polymer [polymer (P2)] comprising a polymer chain [chain (R)] consisting of a plurality of recurring units [units (U)], said chain (R) being equal to or different from that of polymer (P1), and said polymer (P2) having two chain ends (E2, E2′), each end comprising at least one ionisable amino group.

IODO-FUNCTIONALIZED POLYMERS AS MASS SPECTROMETRY CALIBRANTS WITH A MASS-DEFECT OFFSET
20230250229 · 2023-08-10 ·

The present invention discloses novel calibrants containing between 1 and 5 iodine atoms and methods of making them using linear polymers, hyperbranched polymers, and biological polymers (including but not limited to proteins and peptides.) Methods of using the calibrants are also disclosed, such as mass spectrometry. The novel calibrants disclosed herein have a more cost- and time-efficient synthesis than other calibrants.

Linear polyester and semi-linear glycidol polymer systems: formulation and synthesis of novel monomers and macromolecular structures

Disclosed herein are glycidol-based polymers, nanoparticles, and methods related thereto useful for drug delivery. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

Polymeric alpha-hydroxy aldehyde and ketone reagents and conjugation method

Provided herein are polymeric α-hydroxy aldehyde or α-hydroxy ketone reagents which can be conjugated to amine-containing compounds to form stable conjugates in a single-step reaction. In selected embodiments, the polymeric reagent itself incorporates an internal proton-abstracting (basic) functional group, to promote more efficient reaction. The substituent is appropriately situated, via a linker if necessary, to position the group for proton abstraction, preferably providing a 4- or 5-bond spacing between the abstracting atom and the hydrogen atom on the α-carbon. Also provided are methods of using the reagents and stable, solubilized conjugates of the reagents with biologically active compounds. In preferred embodiments, the polymeric component of the reagent or conjugate is a polyethylene glycol.