Zhefei Jessie Chen

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Fremont, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Compositions for chemical-mechanical planarization of noble-metal-f...
- Patent number 8,142,675
- Issue date Mar 27, 2012
- Air Products and Chemicals, Inc.
- Robert J. Small
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Ethyenediaminetetraacetic acid or its ammonium salt semiconductor p...
- Patent number 6,492,311
- Issue date Dec 10, 2002
- EKC Technology, Inc.
- Wai Mun Lee
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Ethylenediaminetetraacetic acid or its ammonium salt semiconductor...
- Patent number 6,367,486
- Issue date Apr 9, 2002
- EKC Technology, Inc.
- Wai Mun Lee
- B08 - CLEANING

Patents Applicationslast 30 patents

Information Patent Application
ETHYENEDIAMINETETRAACETIC ACID OR ITS AMMONIUM SALT SEMICONDUCTOR P...
- Publication number 20010006936
- Publication date Jul 5, 2001
- WAI MUN LEE
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...