Inventor

Robert H. Marchessault

Inventor

Montreal, CA

Overview

7→

Patents

1991–2003

Patent span

Chemistry

Primary field (CPC C)

Patents· 7 as inventor

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

C09Dprimary

C09DCoating compositions, e.g. paints, varnishes or lacquers18%

D21HPulp compositions18%

A61KPreparations for medical, dental or toiletry purposes9%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds9%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds9%

C08JWorking-up9%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture9%

G03GElectrography9%

Y10TTechnical subjects covered by former us classification9%

PatentTitleYear

6,534,599'Macromers of poly (hydroxyalkanoates)'2003 6,146,665'Entrapment or microencapsulation of drugs in a polyhydroxyalkanoate formed by enzyme synthesis'2000 5,451,456'Latex of poly-.beta.-hydroxyalkanoates for treating fiber constructs and coating paper'1995 5,143,583'Preparation and synthesis of magnetic fibers'1992 5,122,187'Hot melt ink compositions'1992 5,006,170'Hot melt ink compositions'1991 5,004,664'Toner and developer compositions containing biodegradable semicrystalline polyesters'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1992Patents assigned to XEROX CORP (3)· patent assignee history

1991–2003Based in Montreal, CA· patent location history

1992Patents assigned to MARCHESSAULT ROBERT H (1)· patent assignee history

1992Patents assigned to RICARD SERGE (1)· patent assignee history

1992Based in Quebec, CA· patent location history

1995Patents assigned to PULP PAPER RES INST (1)· patent assignee history

2000–2003Patents assigned to UNIV MCGILL (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
XEROX CORP	3	1991–1992
UNIV MCGILL	2	2000–2003
MARCHESSAULT ROBERT Hself	1	1992
PULP PAPER RES INST	1	1995
RICARD SERGE	1	1992

Locations

Location	Patents	Span
Montreal, CA	6	1991–2003
Quebec, CA	1	1992