Membership
Tour
Register
Log in
Robert J. Petersen
Follow
Person
Minnesota, MN, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Reduced lateral leakage in reverse osmosis devices
Patent number
11,535,531
Issue date
Dec 27, 2022
NL Chemical Technology, Inc.
Robert J. Petersen
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
High flux reverse osmosis membrane
Patent number
6,162,358
Issue date
Dec 19, 2000
NL Chemicals Technologies, Inc.
Norman N. Li
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Use of treated composite polyamide membranes to separate concentrat...
Patent number
4,964,998
Issue date
Oct 23, 1990
Filmtec Corporation
John E. Cadotte
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Novel polyamide reverse osmosis membranes
Patent number
4,859,384
Issue date
Aug 22, 1989
Filmtec Corp.
Richard F. Fibiger
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Novel polyamide reverse osmosis membranes
Patent number
4,769,148
Issue date
Sep 6, 1988
The Dow Chemical Company
Richard F. Fibiger
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Blood compatible polymers and applications thereof
Patent number
4,210,529
Issue date
Jul 1, 1980
Midwest Research Institute
Robert J. Petersen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Blood compatible polymers for blood oxygenation devices
Patent number
4,008,047
Issue date
Feb 15, 1977
North Star Research Institute
Robert J. Petersen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
Reduced Lateral Leakage in Reverse Osmosis Devices
Publication number
20230126220
Publication date
Apr 27, 2023
NL Chemical Technology, Inc
Robert Joseph Petersen
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Reduced lateral leakage in reverse osmosis devices
Publication number
20220041474
Publication date
Feb 10, 2022
NL Chemical Technology, Inc
Robert J. Petersen
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE