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.:
Date of Patent:
Nov. 26, 1991
Filed:
Jun. 25, 1990
Applicant:
Inventors:
Friedrich Engelhardt, Frankfurt am Main, DE;
Ulrich Riegel, Frankfurt am Main, DE;
Joachim Gersdorf, Wiesbaden, DE;
Hans-Jerg Kleiner, Kronberg, DE;
Assignee:
Cassella Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526240 ; 526278 ; 524547 ; 524807 ; 524916 ;
Abstract
The present invention relates to compounds of the general formula I ##STR1## in which R.sup.1, R.sup.1', R.sup.2, A and n are as defined in the description, a process for their preparation, their use and also hydrogels prepared using them.
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Engelhardt, Friedrich. (1991). Alkenyl-phosphonic and -phosphinic esters, process for their (U.S. Patent No. 5068298). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5068298
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