IP Library › Granted Patent US 4,955,363
Granted Patent Utility
US 4,955,363 · App. 07/256,600

Process of recovering lactose from whey

Inventors: Matti Harju, Heikki Heikkila
Patented Case View Patent ↗
Granted: Sep 11, 1990 Filed: Oct 12, 1988
Inventors
Matti Harju
Heikki Heikkila
Assignee (at issue)
Valio Meijerien Keskusosuusliike

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 4,955,363
App. No.
07/256,600
Filed
1988-10-12
Granted
1990-09-11
Kind
A