Inventor

Daniel L. Woodard

Inventor

Raleigh, NC, US

Overview

23→

Patents

1994–1997

Patent span

Chemistry

Primary field (CPC C)

Patents· 23 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C12Nprimary

C12NMicroorganisms or enzymes35%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests16%

C01BNon-metallic elements10%

C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms10%

C07DHeterocyclic compounds8%

G01NInvestigating or analysing materials by determining their chemical or physical properties8%

C07HSugars6%

B01DSeparation4%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%

PatentTitleYear

5,693,785'Purification of DNA on Hydroxylated Silicas'1997 5,674,997'DNA purification on modified siligates'1997 5,650,506'Modified glass fiber membranes useful for DNA purification by solid phase extraction'1997 5,625,054'DNA purification by solid phase extraction using fluorinated celite'1997 5,620,869'Methods for reducing inhibition of nucleic acid amplification reactions'1997 5,616,701'DNA purification by solid phase extraction using a hydroxide-washed glass fiber membrane'1997 5,610,291'Glass fiber membranes modified by treatment with SiCl.sub.4, AlCl.sub.3 or BCl.sub.3 and washing with NaOH to set as a DNA Adsorbant'1997 5,610,290'DNA purification by solid phase extraction using glass fiber membrane previously treated with trifluoroacetic acid, and then with fluoride ion, hydroxide ion, or Bcl.sub.3'1997 5,606,046'DNA purification by solid phase extraction using trifluorometric acid washed glass fiber membranes'1997 5,583,217'Fluorogenic and chromogenic .beta.-lactamase substrates'1996 5,534,054'Silicon tetrahydrazide for purification of DNA'1996 5,525,319'Boron silicates, aluminum silicates, and phosphosilicates for purification of DNA'1996 5,523,392'Purification of DNA on aluminum silicates, and phosphosilicates'1996 5,520,899'Process for preparing boron, aluminum, and phosphorus silicates for purification of DNA'1996 5,516,902'Process for preparing cephalosporin compounds'1996 5,514,561'Fluorogenic and chromogenic .beta.-lactamase substrates'1996 5,503,816'Silicate compounds for DNA purification'1996 5,438,129'DNA purification by solid phase extraction using partially fluorinated aluminum hydroxide adsorbant'1995 5,438,127'DNA purification by solid phase extraction using a PCl.sub.3 modified glass fiber membrane'1995 5,405,951'Solid phase extraction purification of DNA'1995 5,342,931'Process for purifying DNA on hydrated silica'1994 5,338,843'Fluorogenic and chromogenic .beta.-lactamase substrates'1994 5,329,000'Purification of DNA with silicon tetrahydrazide'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1997Patents assigned to BECTON DICKINSON CO (23)· patent assignee history

1994–1997Based in Raleigh, NC, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BECTON DICKINSON CO	23	1994–1997

Locations

Location	Patents	Span
Raleigh, NC, US	23	1994–1997