US Patent No: 5,508,200

Number of patents in Portfolio can not be more than 2000

Method and apparatus for conducting multiple chemical assays

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Abstract

A system for high performance automated chemical analysis includes a video camera photometer with a computer-controlled interference filter wheel. A fluidics system delivers ultramicro sample and reagent volumes in the 0.05 to 5.0 microliter range to a supporting analytical media. The media is precisely positioned relative to the photometer by an x-y axis reaction media holder capable of accurate and precise positioning of the ultramicro reaction spots. The reaction media can consist of absorbent cellulose sample/reaction strips or microscopic sized multiple wells. A data and reduction system monitors multiple simultaneous reactions within a common test area of the analytical media to provide final quantitative reports. The method for conducting multiple chemical assays involves placing small volumes of sample/reagent combinations at discrete locations about a common test area on the analytical media and simultaneously measuring resulting optical changes at each discrete location.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
SPECTRUM SYSTEMS, INC.FAIRFIELD, NJ1

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Thayer, Phillip N. 8617 Seven Mile Rd., Nine Mile Falls, WA 99026 1 195
Tiffany, Thomas E. 1305 56th, Spokane, WA 99223 4 328
Weyrauch, Bruce N. 13707 Coman Rd., Newman Lake, WA 99025 10 529

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Patent Citation Ranking

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