Kwadwo Tettey

Follow

Person

Bear, DE, US

People

Patents Grantslast 30 patents

Information Patent Grant
Formulations for high porosity chemical mechanical polishing pads w...
- Patent number 11,772,230
- Issue date Oct 3, 2023
- Rohm and Haas Electronic Materials CMP Holdings Inc.
- Jing Ren
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
SURFACE MODIFIED SILANIZED COLLOIDAL SILICA PARTICLES
- Publication number 20220356065
- Publication date Nov 10, 2022
- Rohm and Haas Electronic Materials CMP Holdings, INC.
- Changzai Chi
- C01 - INORGANIC CHEMISTRY
Information Patent Application
CHEMICAL MECHANICAL POLISHING COMPOSITION AND METHOD
- Publication number 20220348790
- Publication date Nov 3, 2022
- Rohm and Haas Electronic Materials CMP Holdings, INC.
- Changzai Chi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
FORMULATIONS FOR HIGH POROSITY CHEMICAL MECHANICAL POLISHING PADS W...
- Publication number 20220226960
- Publication date Jul 21, 2022
- Rohm and Haas Electronic Materials CMP Holdings, INC.
- Jing Ren
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...