Inventor

ENGEL ANDREA

US8 patents

⚠️ This page may combine multiple inventors who share the name “ENGEL ANDREA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

EVONIK OPERATIONS GMBH

6 patents

US11819576B2Nov 21, 2023

Process for preparing nano-or microparticles comprising a carrier-polymer and one or more biologically active ingredients

EVONIK OPERATIONS GMBH1 citations59

US10682307B2Jun 16, 2020

Gastric retention active delivery systems

EVONIK OPERATIONS GMBH1 citations55

US11052053B2Jul 6, 2021

Nanoparticle comprising a bio-resorbable polyester, a hydrophilic polymer and an acylated human lactoferrin-derived peptide

EVONIK OPERATIONS GMBH1 citations52

US12416611B2Sep 16, 2025

Unique identification and authentication of products

EVONIK OPERATIONS GMBH0 citations42

US12076357B2Sep 3, 2024

Preparations containing berry extracts for use in the prophylaxis and/or treatment of viral infections caused by Paramyxoviridae

EVONIK OPERATIONS GMBH0 citations42

US11084908B1Aug 10, 2021

Process for preparing a polymer powder

EVONIK OPERATIONS GMBH0 citations41

EVONIK ROEHM GMBH

1 patent

US10322169B2Jun 18, 2019

Process for preparing a powder comprising a human coagulation factor protein and a lactic acid polymer

EVONIK ROEHM GMBH0 citations41

EVONIK CORP

1 patent

US11964058B2Apr 23, 2024

Process for preparing nanoparticles in the form of a powder comprising a bio-resorbable polyester

EVONIK CORP0 citations39