Inventor
LAWRENCE PAUL J
US32 patents
⚠️ This page may combine multiple inventors who share the name “LAWRENCE PAUL J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LITMUS CONCEPTS INC
21 patentsUS5910447AJun 8, 1999
pH and amine test to diagnosis of vaginal infections
LITMUS CONCEPTS INC100 citations98
US5897834AApr 27, 1999
pH test elements
LITMUS CONCEPTS INC40 citations95
US5660790AAug 26, 1997
PH and amine test elements
LITMUS CONCEPTS INC59 citations95
US5571684ANov 5, 1996
Assay for proline iminopeptidase and other hydrolytic activities
LITMUS CONCEPTS INC80 citations95
US5585273ADec 17, 1996
Test device for assays for hydrolytic enzyme activity
LITMUS CONCEPTS INC46 citations93
US6200817B1Mar 13, 2001
PH and amine test elements and applications to diagnosis of vaginal infections
LITMUS CONCEPTS INC19 citations92
US6113856ASep 5, 2000
Method of making a pH and amine test element
LITMUS CONCEPTS INC23 citations92
US6099801AAug 8, 2000
pH and amine test elements and applications to diagnosis of vaginal infections
LITMUS CONCEPTS INC24 citations92
US5053342AOct 1, 1991
Fecal occult blood test reagents
LITMUS CONCEPTS INC25 citations92
US4971914ANov 20, 1990
Developer for fecal occult blood tests
LITMUS CONCEPTS INC28 citations92
US4939097AJul 3, 1990
Fecal occult blood test methods
LITMUS CONCEPTS INC29 citations92
US4937197AJun 26, 1990
Fecal occult blood test method
LITMUS CONCEPTS INC34 citations92
US4818702AApr 4, 1989
Fecal occult blood test reagent
LITMUS CONCEPTS INC24 citations92
US6451607B1Sep 17, 2002
External dried-reagent control for analytical test devices
LITMUS CONCEPTS INC37 citations90
US5416003AMay 16, 1995
Reporter enzyme release technology: methods of assaying for the presence of aspartic proteases and other hydrolytic enzyme activities
LITMUS CONCEPTS INC25 citations90
US6251621B1Jun 26, 2001
Reporter enzyme release technology: methods of assaying for the presence of aspartic proteases and other hydrolytic enzyme activities
LITMUS CONCEPTS INC19 citations89
US4942132AJul 17, 1990
Reagent composition for fecal occult blood tests
LITMUS CONCEPTS INC22 citations82
US4820646AApr 11, 1989
Fecal occult blood test method
LITMUS CONCEPTS INC19 citations82
US5068197ANov 26, 1991
Fecal occult blood test methods
LITMUS CONCEPTS INC18 citations74
US4777143AOct 11, 1988
Method of detecting carboxylic acids in a specimen
LITMUS CONCEPTS INC7 citations65
US5268146ADec 7, 1993
Fast response test panel
LITMUS CONCEPTS INC15 citations64
QUIDEL CORP
6 patentsUS7553675B2Jun 30, 2009
Diagnostic assay device having an apparent non-signal line
QUIDEL CORP57 citations96
US8030091B2Oct 4, 2011
Method for adding an apparent non-signal line to a rapid diagnostic assay
QUIDEL CORP17 citations91
US7179657B2Feb 20, 2007
Method for adding an apparent non-signal line to a rapid diagnostic assay
QUIDEL CORP25 citations91
US7041469B2May 9, 2006
Assays for trichomonal and other hydrolases
QUIDEL CORP18 citations91
US7291481B2Nov 6, 2007
Assays for trichomonal and other hydrolases
QUIDEL CORP2 citations61
US7255832B2Aug 14, 2007
Iconic colorimetric test device with reduced susceptibility to false positive and false negative readings
QUIDEL CORP5 citations60
SMITH KLINE INSTR
3 patentsUS4365970ADec 28, 1982
Specimen test slide and method for testing occult blood
SMITH KLINE INSTR108 citations94
US4382064AMay 3, 1983
Specimen slide for occult blood testing
SMITH KLINE INSTR33 citations89
US4329317AMay 11, 1982
Method of stabilizing a specimen slide for occult blood testing
SMITH KLINE INSTR35 citations89