Bentz; Francis

Patent Applications and Registrations

Patent applications and USPTO patent grants for Bentz; Francis.The latest application filed is for "process of using a semi-permeable membrane of acrylonitrile copolymers".

Company Profile

0.12.0

Bentz; Francis - Cologne DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Process of using a semi-permeable membrane of acrylonitrile copolymers Grant 4,252,652 - Elfert , et al. February 24, 1	1981-02-24
Polyalkylene oxide-containing urethane polyols with sulphonic acid groups Grant 4,245,110 - Engelhard , et al. January 13, 1	1981-01-13
Semipermeable membranes of heterocyclic copolyamides Grant 4,221,903 - Elfert , et al. September 9, 1	1980-09-09
Semipermeable membranes of copolyamides Grant 4,217,227 - Elfert , et al. August 12, 1	1980-08-12
Antistatic polyamide compositions with polyalkyleneglycol ether having secondary terminal urethane groups Grant 4,163,088 - Kunzel , et al. July 31, 1	1979-07-31
Process for dyeing wet-spun aromatic polyamides in gel form Grant 4,108,936 - Wolf , et al. August 22, 1	1978-08-22
Dyeing dry-spun aromatic polyamides Grant 4,066,396 - Wolf , et al. January 3, 1	1978-01-03
Process for dyeing wet-spun aromatic polyamides in gel form Grant 4,059,403 - Wolf , et al. November 22, 1	1977-11-22
Dihydroxy sulphonates containing ether structures Grant 4,056,564 - Wolf , et al. November 1, 1	1977-11-01
Salts of 3-hydroxy-2-hydroxymethyl-propane-sulfonic acid-1 Grant 3,879,450 - Velker , et al. April 22, 1	1975-04-22
Soluble Aromatic Copolyamides And Threads Thereof With A High Modulus Of Elasticity And High Tensile Strength Grant 3,862,088 - Wolf , et al. January 21, 1	1975-01-21
Shaped Structures Of Acrylonitrile Polymers Containing Antistatic Additives Grant 3,852,255 - Bentz , et al. December 3, 1	1974-12-03

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.