Patents by Inventor Raymond E. O'Bear
Raymond E. O'Bear has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6245295Abstract: A test sample card has a well formed in the card body for receiving a fluid sample containing a microbiological agent or microorganism and a reagent. The test sample card has a membrane in the form of a tape covering the sample well to form a closed reaction chamber of the fluid sample and reagent and provide a barrier between the fluid sample and the atmosphere. The tape is made from polymethylpentene. The high oxygen permeable and transmissible characteristics of the tape promotes a reaction between the reagent and the microorganism. The increased growth rate exhibited by the microorganism, as compared to prior art tapes, substantially reduces the time needed to complete the test detection such as using transmittance optical analysis, for example confirm of the identity of the microbiological agent or the susceptibility of the microorganism to antibiotic agents.Type: GrantFiled: February 23, 1999Date of Patent: June 12, 2001Assignee: bio Merieux, Inc.Inventors: Patrick K. Chen, Raymond E. O'Bear
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Patent number: 5951952Abstract: An improved sample card is provided. The improved card, typically used in biochemical analysis, achieves high sample well capacity and improved fluid flow, including by means of a plurality of through-channels which route the fluid flow of samples along both the front and back surfaces of the card. Elevated bubble traps are provided, as are integral interrupt slots for sensing card position and alignment. A bezeled leading edge facilitates insertion.Type: GrantFiled: June 11, 1997Date of Patent: September 14, 1999Assignee: bioMerieux, Inc.Inventors: Raymond E. O'Bear, Bruno Colin, G. R. Tegeler, John L. Staples
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Patent number: 5932177Abstract: An improved sample card is provided. The improved card, typically used in biochemical analysis, achieves high sample well capacity and improved fluid flow, including by means of a plurality of through-channels which route the fluid flow of samples along both the front and back surfaces of the card. Elevated bubble traps are provided, as are integral interrupt slots for sensing card position and alignment. A bezeled leading edge facilitates insertion.Type: GrantFiled: June 11, 1997Date of Patent: August 3, 1999Assignee: bio Merieux, Inc.Inventors: Raymond E. O'Bear, Bruno Colin, G. R. Tegeler, John L. Staples
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Patent number: 5916812Abstract: A test sample card has a well formed in the card body for receiving a fluid sample containing a microbiological agent or microorganism and a reagent. The test sample card has a membrane in the form of a tape covering the sample well to form a closed reaction chamber of the fluid sample and reagent and provide a barrier between the fluid sample and the atmosphere. The tape is made from polymethylpentene. The high oxygen permeable and transmissible characteristics of the tape promotes a reaction between the reagent and the microorganism. The increased growth rate exhibited by the microorganism, as compared to prior art tapes, substantially reduces the time needed to complete the test detection such as using transmittance optical analysis, for example confirm of the identity of the microbiological agent or the susceptibility of the microorganism to antibiotic agents.Type: GrantFiled: May 13, 1997Date of Patent: June 29, 1999Assignee: bioMerieux, Inc.Inventors: Patrick K. Chen, Raymond E. O'Bear
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Patent number: 5869005Abstract: An improved sample card is provided. The improved card, typically used in biochemical analysis, achieves high sample well capacity and improved fluid flow, including by means of a plurality of through-channels which route the fluid flow of samples along both the front and back surfaces of the card. Elevated bubble traps are provided, as are integral interrupt slots for sensing card position and alignment. A bezeled leading edge facilitates insertion.Type: GrantFiled: July 22, 1996Date of Patent: February 9, 1999Assignee: bioMerieux Vitek, Inc.Inventors: Raymond E. O'Bear, Bruno Colin, G. R. Tegeler, John L. Staples
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Patent number: 5800778Abstract: An improved sealant for a biocard or other sample holder is provided. The sealant achieves low weight, good tensile strength, and high oxygen permeability while avoiding excessive fluid evaporation, speeding incubation times.Type: GrantFiled: May 31, 1995Date of Patent: September 1, 1998Assignee: bioMerieux Vitek, Inc.Inventors: Patrick K. Chen, Raymond E. O'Bear
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Patent number: 5746980Abstract: An improved sample card is provided. The improved card, typically used in biochemical analysis, achieves high sample well capacity and improved fluid flow, including by means of a plurality of through-channels which route the fluid flow of samples along both the front and back surfaces of the card. Elevated bubble traps are provided, as are integral interrupt slots for sensing card position and alignment. A bezeled leading edge facilitates insertion.Type: GrantFiled: November 5, 1996Date of Patent: May 5, 1998Assignee: bioMerieux Vitek, Inc.Inventors: Raymond E. O'Bear, Bruno Colin, G. R. Tegeler, John L. Staples
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Patent number: 5609828Abstract: An improved sample card is provided. The improved card, typically used in biochemical analysis, achieves high sample well capacity and improved fluid flow, including by means of a plurality of through-channels which route the fluid flow of samples along both the front and back surfaces of the card. Elevated bubble traps are provided, as are integral interrupt slots for sensing card position and alignment. A bezeled leading edge facilitates insertion.Type: GrantFiled: May 31, 1995Date of Patent: March 11, 1997Assignee: bio M erieux Vitek, Inc.Inventors: Raymond E. O'Bear, Bruno Colin, G. R. Tegeler, John L. Staples
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Patent number: 5220029Abstract: A reagent for proteolytic enzyme assays has the general formula ##STR1## where RCO-- is an enzyme reactive acyl, such as an amino acid, peptide or substituted amino acid or peptide. The reagent may by hydrolyzed by proteolytic enzymes and developed to form a distinctive color. The reagent may be formed by reacting RCOOH with N-hydroxysuccinimide to form the acyl N-hydroxysuccinimide ester. The ester may then be reacted to form the reagent.Type: GrantFiled: March 13, 1990Date of Patent: June 15, 1993Assignee: Vitek Systems, Inc.Inventors: Michael S. Matta, Raymond E. O'Bear
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Patent number: 4950593Abstract: A reagent for proteolytic enzyme assays has the general formula ##STR1## where RCO-- is an enzyme reactive acyl, such as an amino acid, peptide or substituted amino acid or peptide. The reagent may be hydrolysed by proteolytic enzymes and developed to form a distinctive color. The reagent may be formed by reacting RCOOH with N-hydroxysuccinimide to form the acyl N-hydroxysuccinimide ester. The ester may then be reacted to form the reagent.Type: GrantFiled: August 15, 1986Date of Patent: August 21, 1990Assignee: Vitek Systems, Inc.Inventors: Michael S. Matta, Raymond E. O'Bear
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Patent number: RE34284Abstract: A reagent for proteolytic enzyme assays has the general formula ##STR1## where RCO-- is an enzyme reactive acyl, such as an amino acid, peptide or substituted amino acid or peptide. The reagent may be hydrolysed by proteolytic enzymes and developed to form a distinctive color. The reagent may be formed by reacting RCOOH with N-hydroxysuccinimide to form the acyl N-hydroxysuccinimide ester. The ester may then be reacted to form the reagent.Type: GrantFiled: March 9, 1992Date of Patent: June 15, 1993Assignee: bioMerieux Vitek, Inc.Inventors: Michael S. Matta, Raymond E. O'Bear
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Patent number: D414272Type: GrantFiled: July 6, 1994Date of Patent: September 21, 1999Assignee: bioMerieux Vitek, Inc.Inventors: Raymond E. O'Bear, Bruno Colin, Garry R. Tegeler, John Staples