Inventor

Roberta L. Farrell

Inventor

Danvers, MA, US

Overview

25→

Patents

1987–2000

Patent span

Chemistry

Primary field (CPC C)

Patents· 25 as inventor

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

D21Cprimary

D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials23%

C12NMicroorganisms or enzymes20%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%

C12RIndexing scheme associated with subclasses c12c - c12q, relating to microorganisms12%

C02FTreatment of water, waste water, sewage, or sludge7%

B27KProcesses, apparatus or selection of substances for impregnating, staining, dyeing, bleaching of wood or similar materials, or treating of wood or similar materials with permeant liquids, not otherwise provided for4%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%

C07CAcyclic or carbocyclic compounds2%

C07DHeterocyclic compounds2%

C08HDerivatives of natural macromolecular compounds2%

PatentTitleYear

6,140,095'Alkalitolerant xylanases'2000 6,083,733'Thermostable xylanases'2000 5,998,197'Fungi for pitch reduction and their preparation'1999 5,853,537'Process for treating pulpwoods and pulps with a pitch degrading fungus of the genus Ophiostoma'1998 5,766,926'Pitch degradation with wood colonizing bacteria'1998 5,711,945'Pitch degradation with Pseudomonas fluorescens'1998 5,695,975'Mating process for preparing Ophiostoma piliferum fungi for pitch reduction'1997 5,616,473'Cloning and expression of ligninases'1997 5,609,724'Fungi for pitch reduction and their preparation'1997 5,607,855'Fungi for pitch reduction and their preparation'1997 5,554,535'White-rot fungus and uses thereof'1996 5,545,544'Process for treatment of waste stream using Scytinostroma galactinum fungus ATCC 20966'1996 5,538,752'Melanin compositions and uses thereof and resulting products'1996 5,532,164'Biological control for wood products'1996 5,518,921'Biological control for wood products and debarking'1996 5,476,790'Pitch degradation with white rot fungi'1995 5,476,789'Composition containing strains of Ophiostoma piliferum and a method of using the composition to reduce the pitch content of pulpwood or pulp'1995 5,472,874'Pitch degradation with white rot fungus'1995 5,427,945'White-rot fungus and uses thereof'1995 5,077,394'Porphyrins and uses thereof'1991 4,892,941'Porphyrins'1990 4,692,413'Use of rLDM.TM. 1-6 and other ligninolytic enzymes for the decolorization of E1 effluent'1987 4,690,895'Use of rLDM.TM. 1-6 and other ligninolytic enzymes in the bleaching of kraft pulp'1987 4,687,741'Novel enzymes which catalyze the degradation and modification of lignin'1987 4,687,745'Use of rLDM.TM. 1-6 and other ligninolytic enzymes in the treatment of mechanical pulps'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to REPLIGEN CORP (4)· patent assignee history

1987–1999Based in Danvers, MA, US· patent location history

1990Patents assigned to DOLPHIN DAVID H (1)· patent assignee history

1991–1997Patents assigned to SANDOZ LTD (10)· patent assignee history

1995–1998Patents assigned to UNIV MINNESOTA (4)· patent assignee history

1995–2000Based in Groton, MA, US· patent location history

1996–1999Patents assigned to CLARIANT FINANCE BVI LTD (7)· patent assignee history

2000Based in Hamilton, NZ· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SANDOZ LTD	10	1991–1997
CLARIANT FINANCE BVI LTD	7	1996–1999
REPLIGEN CORP	4	1987
UNIV MINNESOTA	4	1995–1998
DOLPHIN DAVID H	1	1990

Locations

Location	Patents	Span
Danvers, Massachusetts, US	14	1987–1999
Groton, Massachusetts, US	10	1995–2000
Hamilton, NZ	1	2000