Heledd HOWELLS

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Saint Albans, GB

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Patents Grantslast 30 patents

Information Patent Grant
Catalyst article for use in an emission treatment system
- Patent number 10,799,832
- Issue date Oct 13, 2020
- Johnson Matthey Public Limited Company
- Heledd Howells
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
CATALYST ARTICLE FOR USE IN AN EMISSION TREATMENT SYSTEM
- Publication number 20180280879
- Publication date Oct 4, 2018
- Johnson Matthey Public Limited Company
- Heledd HOWELLS
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL