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CHEMICAL ANALYSIS TEST STRIPS
US 3,443,903 A
Filed
: 10/07/1965
Issued
: 05/13/1969
Est. Priority Date
: 11/12/1964
Status: Expired due to Term
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49
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49 Citations
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Current Assignee
Erich Haack
,
Rey Hans-Georg
,
Rieckmann Peter
Original Assignee
Erich Haack
,
Rey Hans-Georg
,
Rieckmann Peter
Inventors
Haack, Erich
,
REY HANS-GEORG
,
RIECKMANN PETER
Application Number
US04/493,686
Time in Patent Office
1,314 Days
Field of Search
US Class Current
436/169
CPC Class Codes
G01N 31/22
using chemical indicators G...
G01N 33/521
Single-layer analytical ele...
G01N 33/523
the element being adapted f...
Y10T 436/144444
Glucose
Y10T 436/171538
Urea or blood urea nitrogen
Y10T 436/173076
Nitrite or nitrate
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