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:
Mar. 12, 1985
Filed:
Feb. 07, 1983
Applicant:
Inventor:
Wayne E Swann, Columbia, MD (US);
Assignee:
Genex Corporation, Rockville, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P / ; C12P / ; C12N / ; A61K / ;
U.S. Cl.
CPC ...
435108 ; 424 23 ; 424 78 ; 424 85 ; 424 88 ; 435109 ; 435176 ; 435177 ; 435178 ; 435180 ; 435181 ; 435182 ;
Abstract
Biological materials are immobilized by being absorbed into vermiculite particles which then are coated with a polymeric coating material. A variety of cross-linking, condensing, and gelling agents may be used to strengthen and crosslink the polymer.