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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 3970669 B1

PDFFull Text
Date of Patent:
Jul. 20, 1976

Filed:

Jun. 11, 1975

N-heterocyclic perfluoroalkyloarboxylic acid esters, process for their

Applicant:
Inventors:

Armin Hiestand, Binningen, CH;

Horst Jager, Bettingen, CH;

Assignee:

Ciba-Geigy AG, Basel, CH;

Attorneys:

Kolodny; Joseph G.

Roberts; Edward McC.

Almaula; Prabodh I.

Primary Examiner:

Ethel G Love

Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603095 ; 81156 ; 81276 ; 8128 / ; 8189 ;
Abstract

The present invention provides new perfluoroalkylcarboxylic acid esters of the formula ##EQU1## WHEREIN R.sub.f is perfluoroalkyl with 4 to 18 carbon atoms, A represents a radical forming with the --NCO--N-group ethylene urea, hydantoin or isocyanurate radicals, B is --O-- or --OH Cl-- , m is a whole number from 1 to 3, q is 1 or 2 and x is 0, 1 or 2, with x being 0 or 1 if m is 1. The new compounds are useful for producing oil and water-repellent finishes on porous and non-porous finishes, such as paper, textiles or plastics.

Find Patent Forward Citations

Hiestand, Armin. (1976). N-heterocyclic perfluoroalkyloarboxylic acid esters, process for their (U.S. Patent No. 3970669). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3970669

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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