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STORY

First production of record PET-degrading PHL7 wild type with high purity

06/2020

12/2020

Degradation of post-consumer PET in 1 L flask
48 h for complete PET desintegration

01/2021

First optimization of PHL7 > Generation 1
Degradation performance increased by 40 %

02/2022

1 L reactor trials & further PHL7 optimiztation > Generation 2

24 h for complete PET desintegration

07/2022

Best idea at start-up contest Leipziger Gründungsnacht

05/2023

Further optimization of PHL7 > Generation 3
13 h for complete PET disintegration

07/2023

First functional prototype of Degradation Analyzer

08/2023

Proven degradation activity of PHL7 for further polyesters
PLA, PBS, PBAT, TPS

Scaled full functional prototype of Degradation Analyzer
8 chambers -1D array - parallelable upto 72 chambers

09/2023

01/2024

Granted EFRE validation founding from SAB
volume: 225k €

Further optimization of PHL7 > Generation 4

Hyper-thermo-stable enzymes  - melting temp. above 95 °C

02/2024

05/2024

Further scaling of Degradation Analyzer
24 chambers - 2D array

05/2024

Completion of EU project Enzycle
90 l enzymatic hydrolysis under industrial condition with recovery of TPA and synthesis of rPET in kg scale

10/2024

Patent for recycling pre-processing issued and officially disclosed
“Process for the enzymatic recycling of polyesters with crystalline components”

12/2024

Full scale & optimized design for Degradation Analyzer
48 chambers (2D array) - parallelization to 96 and multiples

12/2024

Patent for degradation screening technology granted
System and method for parallelised measuring the degradation of
polymer films by polymer-degrading reagents

01/2025

Start of EXIST Forschungstransfer

Funding volume > 1 Mio. € for 2025 & 2026

03/2025

Foundation of ESTER Biotech GmbH

03/2025

First customer order (confidential)

06/2025

06/2025

10/2025

11/2025

09/2025

09/2025

Exciting
journey

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