Doerge, Herman P.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Doerge, Herman P..The latest application filed is for "low k-factor rigid foam systems".

Company Profile

0.12.4

Doerge, Herman P. - Sedona AZ
Doerge; Herman P. - Moon Township PA
Doerge, Herman P. - Pittsburgh PA
Doerge; Herman P. - St. Petersburgh FL
Doerge; Herman P. - Pittsbrugh PA
Doerge; Herman P. - Oakmont PA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Low K-factor rigid foam systems App 20050148677 - Elsken, Kevin J. ; et al.	2005-07-07
Amine-initiated polyether polyols and a process for their production Grant 6,869,543 - Anderson , et al. March 22, 2	2005-03-22
Amine-initiated Polyether Polyols And A Process For Their Production App 20040167316 - Anderson, Nathan L. ; et al.	2004-08-26
Rigid foams with improved insulation properties and a process for the production of such foams App 20040097604 - Schilling, Steven L. ; et al.	2004-05-20
Polyurethane or polyisocyanurate foams blown with hydrofluorocarbons and carbon atoms Grant 6,562,880 - Doerge , et al. May 13, 2	2003-05-13
Co-initiated Polyols Useful For The Production Of Rigid Polyurethane Foams App 20020120026 - Schilling, Steven L. ; et al.	2002-08-29
Co-initiated polyols useful for the production of rigid polyurethane foams Grant 6,423,759 - Schilling , et al. July 23, 2	2002-07-23
Rigid foams with improved insulation properties and a process for the production of such foams Grant 5,889,066 - Doerge March 30, 1	1999-03-30
Azeotrope-like compositions of 1,1,1,3,3 pentafluoropropane and tetramethylsilane Grant 5,716,541 - Werner , et al. February 10, 1	1998-02-10
Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and 2-methyl butane Grant 5,562,857 - Werner , et al. October 8, 1	1996-10-08
Rigid foams with improved insulation and physical properties Grant 5,461,084 - Doerge October 24, 1	1995-10-24
HCFC blown rigid foams with low thermal conductivity Grant 5,308,885 - Doerge * May 3, 1	1994-05-03
Azeotropes of 2-methylbutane and 1,1-dichloro-1-fluorethane and the use thereof in the production of rigid foams Grant 5,106,527 - Doerge , et al. April 21, 1	1992-04-21
Rigid foams using blends of chlorofluorocarbons and hydrocarbons as blowing agent Grant 5,057,547 - Doerge October 15, 1	1991-10-15
Rigid foams using blends of chlorofluorocarbons and alkyl alkanoates as blowing agent Grant 4,960,804 - Doerge October 2, 1	1990-10-02
Polyether polyols and their method of preparation Grant 4,430,490 - Doerge February 7, 1	1984-02-07

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