Inventor · disambiguated record
Donald L. Christman
Also filed as: CHRISTMAN DONALD L
19 granted patents·281 citations·filing 1979–1993
95Inventor score
Top patents by PatentIndex Score
19 records- 0192US5478494APolyol composition having good flow and formic acid blown rigid polyurethane foams made thereby having good dimensional stabilityBASF CORP·Filed 1993·Granted Dec 26, 1995·60 cites·45 claims
- 0284US5179131AProcess for the preparation of polyurethane foams employing polyol dispersions containing polyisocyanate polyaddition solidsBASF CORP·Filed 1991·Granted Jan 12, 1993·34 cites·24 claims
- 0381US5453455ARigid polyurethane foams containing lithium salts for energy absorbing applicationsBASF CORP·Filed 1993·Granted Sep 26, 1995·28 cites·7 claims
- 0477US4614754ARigid polyurethane foams with constant or slightly decreasing strain with an increasing stress in compressionBASF CORP·Filed 1984·Granted Sep 30, 1986·24 cites·3 claims
- 0574US4664563ARigid polyurethane foams with constant or slightly decreasing strain with an increasing stress in compressionBASF CORP·Filed 1986·Granted May 12, 1987·20 cites·6 claims
- 0673US4585807ARigid polyurethane foams employing oxyalkylated ethylenediamineBASF CORP·Filed 1985·Granted Apr 29, 1986·19 cites·6 claims
- 0768US5248703ARigid polyurethane foams containing lithium salts for energy absorbing applicationsBASF CORP·Filed 1992·Granted Sep 28, 1993·21 cites·20 claims
- 0861US4588803APolyurethane sealant compositions and their use as thermal-break sealantsBASF CORP·Filed 1984·Granted May 13, 1986·13 cites·8 claims
- 0958US5258416ARigid polyurethane foams containing lithium salts for energy absorbing applicationsBASF CORP·Filed 1993·Granted Nov 2, 1993·13 cites·26 claims
- 1057US4555531ARigid polyurethane foams employing alkylene oxide adducts of alkanolaminesBASF WYANDOTTE CORP·Filed 1985·Granted Nov 26, 1985·10 cites·10 claims
- 1153US4605725APolyurethane sealant compositions and their use as thermal-break sealantsBASF CORP·Filed 1984·Granted Aug 12, 1986·9 cites·19 claims
- 1249US4331810ACarbamylbiuret-modified polyisocyanatesBASF WYANDOTTE CORP·Filed 1980·Granted May 25, 1982·8 cites·7 claims
- 1347US5286758AUse of formate salts as auxiliary agents for low density rigid foamsBASF CORP·Filed 1993·Granted Feb 15, 1994·9 cites·7 claims
- 1440US5324754ALithium-based salts in flexible foamsBASF CORP·Filed 1992·Granted Jun 28, 1994·6 cites·12 claims
- 1533US4332953ACarbamylbiuret-modified polyisocyanatesBASF WYANDOTTE CORP·Filed 1980·Granted Jun 1, 1982·2 cites·7 claims
- 1633US4331809ACarbamylbiuret-modified polyisocyanatesBASF WYANDOTTE CORP·Filed 1980·Granted May 25, 1982·0 cites·6 claims
- 1733US4330636ACarbamylbiuret-modified polyisocyanatesBASF WYANDOTTE CORP·Filed 1980·Granted May 18, 1982·2 cites·7 claims
- 1832US4438248ATrimerization catalysts and organo-mercury compounds as co-catalysts for the preparation of noncellular polyurethane elastomersBASF WYANDOTTE CORP·Filed 1982·Granted Mar 20, 1984·3 cites·6 claims
- 1930US4271087ACarbamylbiuret-modified polyisocyanatesBASF WYANDOTTE CORP·Filed 1979·Granted Jun 2, 1981·0 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Donald L. Christman files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →