DuPont™ AmberLite™ and Duolite™ Ion Exchange Resins

Proven Polymers That Provide Formulation Flexibility in Drug Delivery Applications

As an excipient, ion exchange resins have a long history, with the first use in pharmaceutical formulations reported in 1950. They are proven polymers providing formulation flexibility and offering a unique solution to formulation problems.

Applications for DuPont AmberLite™ and Duolite™ Ion Exchange Resins

DuPont™ AmberLite™ and Duolite™ have been shown to be safe and effective excipients and are used in many commercial drug formulations, throughout the world. AmberLite™ a cationic exchange and Duolite™ an ionic exchange resin are used in suspension formulations for controlled release and taste-masking in the geriatric and pediatric populations that offer improved patient compliance.

Applications include:

  • Taste-masking
  • Modified release
  • Tablet disintegrant
  • Solubility enhancement
  • Drug stability
  • Abuse deterrence

DuPont™, and the following trademarks (AmberLite™ and Duolite™) denoted with ™ are owned by affiliates of DuPont de Nemours, Inc. unless otherwise noted.

Platform Solutions

Colorcon can help to reduce your project time by providing the right solution through excipient selection and process guidance.


Lower total cost and reduce time to market

Dissolution Design

Life cycle management through modified delivery profiles and product line extensions

Patient Adherence

Reduce medication errors and improve patient adherence


Stable and consistent product performance

Product Authentication

Track and trace