Granted Patent
Utility
US 5,470,935 · App. 08/219,153
Preparation of cast elastomers using 2-methyl-1,3-propanediol as chain extender
Inventors:
Robson Mafoti, Bruce H. Potts
Patented Case
View Patent ↗
Granted: Nov 28, 1995
Filed: Mar 29, 1994
Inventors
Robson Mafoti
Bruce H. Potts
Assignee (at issue)
Bayer Aktiengesellschaft
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.