Inventor
CARLSON LAWRENCE R
US18 patents
⚠️ This page may combine multiple inventors who share the name “CARLSON LAWRENCE R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HENKEL CORP
17 patentsUS5401337AMar 28, 1995
Secondary protective treatments for metal surfaces
HENKEL CORP24 citations92
US5393447AFeb 28, 1995
Composition and process for desmutting and deoxidizing without smutting
HENKEL CORP23 citations92
US5226976AJul 13, 1993
Metal treatment
HENKEL CORP37 citations92
US5634979AJun 3, 1997
Composition and method for degreasing metal surfaces
HENKEL CORP29 citations90
US6733896B2May 11, 2004
Process for treating steel-, zinc- and aluminum-based metals using a two-step coating system
HENKEL CORP34 citations89
US6464800B1Oct 15, 2002
Visible chromium- and phosphorus-free conversion coating for aluminum and its alloys
HENKEL CORP27 citations88
US6447665B1Sep 10, 2002
Faster two-step sealing of anodized aluminum surfaces
HENKEL CORP25 citations88
US6328816B1Dec 11, 2001
Composition and method for degreasing metal surfaces
HENKEL CORP17 citations84
US6211132B1Apr 3, 2001
Composition and method for deburring/degreasing/cleaning metal surfaces
HENKEL CORP17 citations79
US6001186ADec 14, 1999
Acid cleaning/deoxidizing aluminum and titanium without substantial etching
HENKEL CORP9 citations74
US5720823AFeb 24, 1998
Composition and process for desmutting and deoxidizing without smutting
HENKEL CORP11 citations74
US5637252AJun 10, 1997
Inhibitor for aqueous liquid deoxidizing composition and process for aluminum, with reduced etching of titanium
HENKEL CORP7 citations74
US6251847B1Jun 26, 2001
Composition and method for cleaning/degreasing metal surfaces, especially composites of copper and aluminum
HENKEL CORP8 citations73
US5268042ADec 7, 1993
Composition and process for forming improved, non-cracking chromate conversion coatings
HENKEL CORP13 citations73
US5227016AJul 13, 1993
Process and composition for desmutting surfaces of aluminum and its alloys
HENKEL CORP17 citations70
US6649081B1Nov 18, 2003
Aqueous liquid deoxidizing composition and process for aluminum, with low foaming tendency
HENKEL CORP3 citations57
US5948178ASep 7, 1999
Composition and process for forming a solid adherent protective coating on metal surfaces
HENKEL CORP1 citations52