Granted Patent
Utility
US 6,777,490 · App. 09/320,097
Process for preparing a pressure-sensitive self-adhesive composition wherein tackifiers in dispersed, melted or solid form are mixed with natural rubber latex
Inventors:
Bernhard Mussig, Zygmut Kozaczka, Dieter Zielske, Jochen Stähr, Ralf Hirsch
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: May 26, 1999
Inventors
Bernhard Mussig
Zygmut Kozaczka
Dieter Zielske
Jochen Stähr
Ralf Hirsch
Assignee (at issue)
tesa AG
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.