Inventor · disambiguated record
Robert U. Ludwig
Also filed as: LUDWIG ROBERT J · LUDWIG ROBERT U
2 granted patents·1 pending application·33 citations·filing 1975–2006
62Inventor score
Top patents by PatentIndex Score
3 records- 0159US3996177AStable acrylic ester latex coating compositionsGOODRICH CO B F·Filed 1975·Granted Dec 7, 1976·18 cites·9 claims
- 0253US4007147AWater based hardboard coating compositions of an acrylic ester interpolymer latex, a vinyl chloride polymer latex, a water reducible thermoset resin, and pigment(s)GOODRICH CO B F·Filed 1975·Granted Feb 8, 1977·15 cites·10 claims
- 0328US2007243397A1Chromium(VI)-free, aqueous acidic chromium(III) conversion solutionsLUDWIG ROBERT J·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →