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Inventor

David D. Dreisbach

Inventor
Jacksonville, FL, US

Overview

12→
Patents
1988–2004
Patent span
Textiles
Primary field (CPC D)

Patents· 12 as inventor

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

D21Hprimary
D21HPulp compositions30%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests30%
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials26%
C11DDetergent compositions7%
C09DCoating compositions, e.g. paints, varnishes or lacquers4%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management4%
PatentTitleYear
6,784,146'Deinking method and composition for wastepaper'20046,369,010'Method and composition for preventing pitch deposits in paper mills using resinous mechanical pulps'20025,556,510'Method for inhibiting the deposition of organic contaminants in polp and papermaking processes'19965,415,798'Concentrated high flash point surfactant compositions'19955,292,403'Method for inhibiting the deposition of organic contaminants in pulp and papermaking processes'19945,266,166'Methods for controlling the deposition of organic contaminants in pulp and papermaking processes using a polyalkylene oxide/vinyl acetate graft copolymer'19935,256,253'Methods for inhibiting barium sulfate deposition using a poly(amine)compound or its salts in papermaking systems'19935,074,961'Process for controlling pitch deposition from pulp in papermaking systems'19914,871,424'Process for controlling pitch deposition from pulp in papermaking systems'19894,846,933'Process for controlling pitch deposition from pulp in papermaking systems'19894,765,867'Pitch control process utilizing quaternized polyamine ionene polymer'19884,744,865'Process for controlling pitch deposition from pulp in papermaking systems'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1996Patents assigned to BETZ LABORATORIES (6)· patent assignee history
1988–1996Based in Jacksonville, FL, US· patent location history
1993–1995Patents assigned to BETZ PAPERCHEM INC (4)· patent assignee history
2002Patents assigned to VININGS IND INC (1)· patent assignee history
2002–2004Based in Marietta, GA, US· patent location history
2004Patents assigned to KEMIRA CHEMICALS INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BETZ LABORATORIES61988–1996
BETZ PAPERCHEM INC41993–1995
KEMIRA CHEMICALS INC12004
VININGS IND INC12002
Locations
LocationPatentsSpan
Jacksonville, Florida, US101988–1996
Marietta, Georgia, US22002–2004