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Inventor

HEESCHEN WILLIAM A

US7 patents
⚠️ This page may combine multiple inventors who share the name “HEESCHEN WILLIAM A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ROHM & HAAS ELECT MATERIALS CMP HOLDINGS INC

3 patents
US9737971B2Aug 22, 2017

Chemical mechanical polishing pad, polishing layer analyzer and method

ROHM & HAAS ELECT MATERIALS CMP HOLDINGS INC4 citations66
US10272541B2Apr 30, 2019

Polishing layer analyzer and method

ROHM & HAAS ELECT MATERIALS CMP HOLDINGS INC0 citations35
US9770808B2Sep 26, 2017

Method of manufacturing chemical mechanical polishing pads

ROHM & HAAS ELECT MATERIALS CMP HOLDINGS INC0 citations35

DOW GLOBAL TECHNOLOGIES INC

1 patent
US7843560B2Nov 30, 2010

Stable turbidity calibration standards

DOW GLOBAL TECHNOLOGIES INC10 citations79

DOW CHEMICAL CO

1 patent
US5311283AMay 10, 1994

Fiber optic probe and method for detecting optically active materials

DOW CHEMICAL CO13 citations70

HOOD LAWRENCE S

1 patent
US8324287B2Dec 4, 2012

Positive skew styrene-acrylonitrile copolymer foam

HOOD LAWRENCE S3 citations58

WOOD STEWART P

1 patent
US8875562B2Nov 4, 2014

Filter and membrane defect detection system

WOOD STEWART P0 citations33