Immunoassay matrix

- Tanox Biosystems, Inc.
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Description

FIG. 1 is a perspective view of an immunoassay matrix showing our new design;

FIG. 2 is a top plan view thereof, the bottom plan view being the same in appearance;

FIG. 3 is an end elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a second embodiment of FIG. 1, the undisclosed portions being identical to that shown in FIGS. 2-4 and the only difference residing in the number of clear circles disclosed;

FIG. 6 is a third embodiment of FIG. 1, the undisclosed portions being identical to that shown in FIGS. 2-4 and the only difference residing in the number of clear circles disclosed.

Referenced Cited
U.S. Patent Documents
4154795 May 15, 1979 Thorne
4216245 August 5, 1980 Johnson
4317810 March 2, 1982 Halbert et al.
4357142 November 2, 1982 Shall, Jr. et al.
4468371 August 28, 1984 Chen et al.
4803170 February 7, 1989 Stanton et al.
Other references
  • Tse Wen Chang, "Binding of Cells to Matrixes to Distinct Antibodies Coated on Solid Surface", 1983, pp. 217-223.
Patent History
Patent number: D308722
Type: Grant
Filed: Apr 17, 1987
Date of Patent: Jun 19, 1990
Assignee: Tanox Biosystems, Inc. (Houston, TX)
Inventors: Tse W. Chang (Houston, TX), Nancy T. Chang (Houston, TX)
Primary Examiner: A. Hugo Word
Assistant Examiner: Stella M. Reid
Law Firm: Hamilton, Brook, Smith & Reynolds
Application Number: 7/39,652
Classifications
Current U.S. Class: D24/8