Drahomira Chladkova

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Letohrad, CZ

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Patents Grantslast 30 patents

Information Patent Grant
Chlorinated derivative of hyaluronic acid, method of preparation th...
- Patent number 11,427,652
- Issue date Aug 30, 2022
- Contipro a.s.
- Radovan Buffa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of preparation of an oxidized derivative of hyaluronic acid...
- Patent number 9,434,791
- Issue date Sep 6, 2016
- Contipro Pharma A.S.
- Radovan Buffa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of preparation of an oxidized derivative of hyaluronic acid...
- Patent number 9,109,052
- Issue date Aug 18, 2015
- Contipro Pharma A.S.
- Radovan Buffa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
CHLORINATED DERIVATIVE OF HYALURONIC ACID, METHOD OF PREPARATION TH...
- Publication number 20210332161
- Publication date Oct 28, 2021
- Contipro a.s.
- Radovan BUFFA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Amphoteric Materials Based on Crosslinked Hyaluronic Acid, Method o...
- Publication number 20140120069
- Publication date May 1, 2014
- CONTIPRO BIOTECH S.R.O.
- Gloria Huerta-Angeles
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD OF PREPARATION OF AN OXIDIZED DERIVATIVE OF HYALURONIC ACID...
- Publication number 20120264913
- Publication date Oct 18, 2012
- Radovan Buffa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...