Inventor · disambiguated record
Michael E. Londrigan
Also filed as: LONDRIGAN MICHAEL E · LONDRIGAN MICHAEL EDWARD
15 granted patents·3 pending applications·256 citations·filing 1983–2007
94Inventor score
Files withCELOTEX CORP8HOUT PENNE J3WALTER JIM RESOURCES INC3SLOSS IND CORP2JIM WALKER RESOURCES INC1
Top patents by PatentIndex Score
18 records- 0185US5308881ASurfactant for polyisocyanurate foams made with alternative blowing agentsCELOTEX CORP·Filed 1993·Granted May 3, 1994·30 cites·20 claims
- 0282US4714717APolyester polyols modified by low molecular weight glycols and cellular foams therefromWALTER JIM RESOURCES INC·Filed 1987·Granted Dec 22, 1987·39 cites·45 claims
- 0377US4760099AStabilizer-containing polyol compositions for polyurethane and polyisocyanurate foamsSLOSS IND CORP·Filed 1986·Granted Jul 26, 1988·25 cites·23 claims
- 0477US4652591AReaction products of terephthalic acid residues and polycarboxylic acid-containing polyols and polymeric foams obtained therefromWALTER JIM RESOURCES INC·Filed 1985·Granted Mar 24, 1987·24 cites·21 claims
- 0575US5362764ASurfactant for polyisocyanurate foams made with alternative blowing agentsCELOTEX CORP·Filed 1994·Granted Nov 8, 1994·18 cites·23 claims
- 0668US4753967APolyester polyols modified by polyols having 1 degree and 2 degree OH groups and cellular foams therefromSLOSS IND CORP·Filed 1987·Granted Jun 28, 1988·16 cites·20 claims
- 0767US5064873ARigid foam with improved "k" factor by reacting a polyisocyanate prepolymer and polyester polyol containing low free glycolWALTER JIM RES CORP·Filed 1989·Granted Nov 12, 1991·15 cites·32 claims
- 0866US5164422AManufacture of polyisocyanate prepolymers using ethylene glycol and cellular foams therefromCELOTEX CORP·Filed 1991·Granted Nov 17, 1992·15 cites·24 claims
- 0961US2007225406A1Polymeric foam composites that meet factory material 4880 requirementsHOUT PENNE J·Filed 2007·Application pending·0 cites
- 1059US5837743AMethod for producing foams from high acid polyester polyolsCELOTEX CORP·Filed 1998·Granted Nov 17, 1998·14 cites·18 claims
- 1159US5308883ACatalyst for polyisocyanurate foams made with alternative blowing agentsCELOTEX CORP·Filed 1993·Granted May 3, 1994·16 cites·23 claims
- 1254US2006154045A1Polymeric foam composites that meet factory material 4880 requirementsHOUT PENNE J·Filed 2003·Application pending·0 cites
- 1353US5789458AMethod for producing foams from high acid polyester polyolsCELOTEX CORP·Filed 1997·Granted Aug 4, 1998·11 cites·18 claims
- 1451US4529745AUnsaturated polyoxyalkylene adduct/fumarate diester reaction product for cellular foam stabilizationJIM WALKER RESOURCES INC·Filed 1983·Granted Jul 16, 1985·13 cites·19 claims
- 1550US2007292675A1Polymeric foam composites that meet factory material 4880 requirementsHOUT PENNE J·Filed 2007·Application pending·0 cites
- 1646US5405884ACatalyst for polyisocyanurate foams made with alternative blowing agentsCELOTEX CORP·Filed 1994·Granted Apr 11, 1995·9 cites·19 claims
- 1740US5470889ACatalyst for polyisocyanurate foams made with alternative blowing agentsCELOTEX CORP·Filed 1995·Granted Nov 28, 1995·5 cites·21 claims
- 1840US4572919AUnsaturated polyoxyalkylene adduct/fumarate diester reaction product for cellular foam stabilizationWALTER JIM RESOURCES INC·Filed 1985·Granted Feb 25, 1986·6 cites·24 claims
Join the waitlist — get patent alerts
Get an alert when Michael E. Londrigan 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 →