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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 4637986 B1

PDFFull Text
Date of Patent:
Jan. 20, 1987

Filed:

Aug. 22, 1983

Flow cytometry lysing reagent with leukoprotective agent for producing a

Applicant:
Inventors:

Michael C Brown, Wayland, MA (US);

Stefan J Kirchanski, Framingham, MA (US);

Assignee:

Ortho Diagnostic Systems, Inc., Raritan, NJ (US);

Attorneys:

Ciamporcero, Jr.; Audley A.

Hofer; Mark A.

Primary Examiner:

John F Terapane

Assistant Examiner:

T J Wallen

Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
436 10 ; 436 17 ; 436 18 ;
Abstract

Lysing reagents for use in flow cytometry instruments. Lysing reagents suitable for lysing red blood cells are provided thereby permitting 3-part differential counting of white blood cells. The reagents comprise a leukoprotective agent for preserving the lymphocyte cellular integrity during analysis, and buffers adjusted to provide the correct pH environment for optimal lysis and activity. Preferred embodiments will additionally incorporate non-ionic preservatives in very low concentrations.

Find Patent Forward Citations

Brown, Michael. (1987). Flow cytometry lysing reagent with leukoprotective agent for producing a (U.S. Patent No. 4637986). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4637986

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

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