Kwadwo E. Tettey

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Newark, DE, US

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Patents Grantslast 30 patents

Information Patent Grant
Chemical mechanical polishing composition and method of polishing s...
- Patent number 10,954,411
- Issue date Mar 23, 2021
- Rohm and Haas Electronic Materials CMP Holdings
- Naresh Kumar Penta
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Aqueous compositions of low dishing silica particles for polysilico...
- Patent number 10,822,524
- Issue date Nov 3, 2020
- Rohm and Haas Electronic Materials CMP Holdings, I
- Naresh Kumar Penta
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Chemical mechanical polishing compositions and methods having enhan...
- Patent number 10,787,592
- Issue date Sep 29, 2020
- Rohm and Haas Electronic Materials CMP Holdings, I
- Naresh Kumar Penta
- B24 - GRINDING POLISHING
Information Patent Grant
Chemical mechanical polishing compositions and methods for suppress...
- Patent number 10,626,298
- Issue date Apr 21, 2020
- Rohm and Haas Electronic Materials CMP Holdings, Inc.
- Naresh Kumar Penta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Aqueous silica slurry and amine carboxylic acid compositions select...
- Patent number 10,584,265
- Issue date Mar 10, 2020
- Rohm and Haas Electronic Materials CMP Holdings, Inc.
- Naresh Kumar Penta
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
CHEMICAL MECHANICAL POLISHING COMPOSITION AND METHOD OF POLISHING S...
- Publication number 20200362198
- Publication date Nov 19, 2020
- Rohm and Haas Electronic Materials CMP Holdings, INC.
- Naresh Kumar Penta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AQUEOUS COMPOSITIONS OF LOW DISHING SILICA PARTICLES FOR POLYSILICO...
- Publication number 20190185714
- Publication date Jun 20, 2019
- Rohm and Haas Electronic Materials CMP Holdings, INC.
- Naresh Kumar Penta
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
AQUEOUS SILICA SLURRY AND AMINE CARBOXYLIC ACID COMPOSITIONS SELECT...
- Publication number 20190092972
- Publication date Mar 28, 2019
- Rohm and Haas Electronic Materials CMP Holdings, INC.
- Naresh Kumar Penta
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...