Michael E. Londrigan — 15 Patents at Celotex

Michael E. Londrigan has been granted 15 US patents while listed as an inventor at Celotex. The first was granted in 1985 and the most recent in November 1998. Michael E. Londrigan ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Michael E. Londrigan in Clearwater, FL, US.

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5837743	Method for producing foams from high acid polyester polyols	Judy Ann Godbey, Gregory W. Lynn	1998-11-17
5789458	Method for producing foams from high acid polyester polyols	Judy Ann Godbey, Gregory W. Lynn	1998-08-04
5470889	Catalyst for polyisocyanurate foams made with alternative blowing agents	Kenneth G. Trout	1995-11-28
5405884	Catalyst for polyisocyanurate foams made with alternative blowing agents	Kenneth G. Trout	1995-04-11
5362764	Surfactant for polyisocyanurate foams made with alternative blowing agents	Kenneth G. Trout	1994-11-08
5308881	Surfactant for polyisocyanurate foams made with alternative blowing agents	Kenneth G. Trout	1994-05-03
5308883	Catalyst for polyisocyanurate foams made with alternative blowing agents	Kenneth G. Trout	1994-05-03
5164422	Manufacture of polyisocyanate prepolymers using ethylene glycol and cellular foams therefrom	Scott C. Snider, Kenneth G. Trout	1992-11-17
5064873	"Rigid foam with improved ""k"" factor by reacting a polyisocyanate prepolymer and polyester polyol containing low free glycol"	Scott C. Snider, Kenneth G. Trout	1991-11-12
4760099	Stabilizer-containing polyol compositions for polyurethane and polyisocyanurate foams	John Canaday, Michael J. Skowronski	1988-07-26
4753967	Polyester polyols modified by polyols having 1 degree and 2 degree OH groups and cellular foams therefrom	—	1988-06-28
4714717	Polyester polyols modified by low molecular weight glycols and cellular foams therefrom	Michael J. Skowronski	1987-12-22	$22,416,000
4652591	Reaction products of terephthalic acid residues and polycarboxylic acid-containing polyols and polymeric foams obtained therefrom	—	1987-03-24	$13,066,000
4572919	Unsaturated polyoxyalkylene adduct/fumarate diester reaction product for cellular foam stabilization	—	1986-02-25	$5,419,000
4529745	Unsaturated polyoxyalkylene adduct/fumarate diester reaction product for cellular foam stabilization	—	1985-07-16	$4,433,000

Michael E. Londrigan — 15 Patents

Issued Patents All Time

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