IP Library Granted Patent US 4,923,914
Granted Patent Utility
US 4,923,914 · App. 07/181,359

Surface-segregatable, melt-extrudable thermoplastic composition

Inventors: Ronald Sinclair Nohr, J. Gavin MacDonald
Patented Case View Patent ↗
Granted: May 8, 1990 Filed: Apr 14, 1988
Inventors
Ronald Sinclair Nohr
J. Gavin MacDonald
Assignee (at issue)
Kimberly-Clark Inc.

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 4,923,914
App. No.
07/181,359
Filed
1988-04-14
Granted
1990-05-08
Kind
A