IP Library › Granted Patent US 4,780,237
Granted Patent Utility
US 4,780,237 · App. 07/077,257

Low foam surfactant mixtures

Inventors: Karl Schmid, Adolf Asbeck, Detlev Stanislowski
Patented Case View Patent ↗
Granted: Oct 25, 1988 Filed: Jul 24, 1987
Inventors
Karl Schmid
Adolf Asbeck
Detlev Stanislowski
Assignee (at issue)
Henkel Kommanditgesellschaft auf Aktien

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,780,237
App. No.
07/077,257
Filed
1987-07-24
Granted
1988-10-25
Kind
A