P

Inventor

BARR ROBERT K

US48 patents
⚠️ This page may combine multiple inventors who share the name “BARR ROBERT K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ROHM & HAAS ELECT MAT

20 patents
US7615335B2Nov 10, 2009

Imaging methods

ROHM & HAAS ELECT MAT15 citations92
US7144676B2Dec 5, 2006

Imaging compositions and methods

ROHM & HAAS ELECT MAT25 citations92
US7364834B2Apr 29, 2008

Functional polymer

ROHM & HAAS ELECT MAT9 citations83
US7148265B2Dec 12, 2006

Functional polymer

ROHM & HAAS ELECT MAT11 citations83
US7977026B2Jul 12, 2011

Imaging methods

ROHM & HAAS ELECT MAT4 citations73
US7223519B2May 29, 2007

Imaging compositions and methods

ROHM & HAAS ELECT MAT7 citations73
US11337309B2May 17, 2022

Methods of manufacturing printed wire boards

ROHM & HAAS ELECT MAT3 citations62
US8048606B2Nov 1, 2011

Imaging methods

ROHM & HAAS ELECT MAT2 citations62
US7955989B2Jun 7, 2011

Texturing semiconductor substrates

ROHM & HAAS ELECT MAT4 citations62
US7632621B2Dec 15, 2009

Mask

ROHM & HAAS ELECT MAT5 citations60
US9611402B2Apr 4, 2017

Hot melt compositions with improved etch resistance

ROHM & HAAS ELECT MAT0 citations52
US9598590B2Mar 21, 2017

Hot melt compositions with improved etch resistance

ROHM & HAAS ELECT MAT0 citations52
US9453139B2Sep 27, 2016

Hot melt compositions with improved etch resistance

ROHM & HAAS ELECT MAT0 citations52
US9303207B2Apr 5, 2016

Texturing of monocrystalline semiconductor substrates to reduce incident light reflectance

ROHM & HAAS ELECT MAT0 citations52
US8053160B2Nov 8, 2011

Imaging compositions and methods

ROHM & HAAS ELECT MAT1 citations52
US7749685B2Jul 6, 2010

Imaging methods

ROHM & HAAS ELECT MAT0 citations52
US7270932B2Sep 18, 2007

Imaging composition and method

ROHM & HAAS ELECT MAT1 citations48
US11639398B2May 2, 2023

Photosensitive bismaleimide composition

ROHM & HAAS ELECT MAT0 citations47
US11603422B2Mar 14, 2023

Polymeric resin for dielectric applications

ROHM & HAAS ELECT MAT0 citations47
US10583459B2Mar 10, 2020

Imaging three dimensional substrates using a transfer film

ROHM & HAAS ELECT MAT0 citations39

MORTON INT INC

10 patents

BARR ROBERT K

5 patents

SHIPLEY CO LLC

4 patents

DOW GLOBAL TECHNOLOGIES LLC

2 patents

ROHM & HAAS

2 patents

DONG HUA

2 patents

NORTON INTERNATIONAL INC

1 patent

ETERNAL TECHNOLOGY CORP

1 patent

TOBEN MICHAEL P

1 patent