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Dr. André Rosehr

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Dr. André Rosehr is the linking interface between customers, sales and production in his role as Manager Technical Services & Development. He is the technical contact for Performance Solvents, Middle Distillates and Renewable Products. His focus is on new product development, evaluation of new feedstocks and accommodating the transformation to renewable and sustainable hydrocarbon products at Haltermann Carless. T: +49 40 333 18 166 email: andre.rosehr@haltermann-carless.com

Blog Post by Dr. André Rosehr

Jul 2, 2026

n-Heptane Reag. Ph. Eur. as a basis for safe pharmaceutical processes

In API manufacturing and analytical applications, solvents are safety‑critical ...
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Jun 19, 2026

CBD production: How is this natural substance extracted?

Cannabidiol, or CBD for short, is an extract of the female hemp plant that has recently ...
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May 29, 2026

Interview: How n‑heptane Reag. Ph. Eur. ensures process reliability

With n-heptane Reag. Ph. Eur., Haltermann Carless meets the high standards required in ...
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Apr 30, 2026

n‑Heptane Reag. Ph. Eur.: Targeted Control and Reproducibility

Stable processes, traceable validations and reproducible analytical results are key ...
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Apr 16, 2026

Water treatment: Pilot® oils for flocculants

Flocculation is an important process in waste water treatment plants. Various flocculants ...
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Apr 2, 2026

Pharmaceutical solvents: Quality control in CBD production

CBD products have long since become part of our everyday lives. Whether as a ...
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Feb 20, 2026

ORC process for electricity & heat production: What are the benefits?

Geothermal energy generation is – in the context of the energy transition – becoming an ...
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Jan 22, 2026

Solvents for paints and coatings: Alternatives to toluene and xylene

Alternatives to toluene and xylene are becoming increasingly important in the paints and ...
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Sep 6, 2024

Cyclopentane for pharmaceutical refrigerators: Safe storage

To ensure that medication remain effective, there are a number of regulations for ...
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Aug 7, 2024

Haltermann Carless solvents strong in paints, coatings and adhesives

Contamination, changes and delays: These three potential problems pose major challenges ...
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