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. 02, 1982
Filed:
Jul. 31, 1981
Applicant:
Inventors:
Jozsef Szejtli, Budapest, HU;
Bela Zsadon, Budapest, HU;
Eva Fenyvesi, Budapest, HU;
nee Otta Horvath, Budapest, HU;
Ferenc Tudos, Budapest, HU;
Assignee:
Chinoin Gyogyszer es Vegyeszeti Termekek Gyara Rt., Budapest, HU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08B / ; C08B / ;
U.S. Cl.
CPC ...
536 56 ; 1061 / ; 106164 ; 106170 ; 106210 ; 106213 ; 536 57 ; 536 58 ; 536103 ;
Abstract
The invention relates to new sorbents of cellulose basis capable of forming inclusion complexes, as well as to a process for the preparation thereof. The new sorbents according to the invention are cellulose derivatives containing structural units of the general formula (I), ##STR1## wherein Cell is a group derived by removing m hydroxy groups from the glucose unit of the cellulose chain,