Inventor

Severian Dumitriu

Inventor

Sherbrooke, CA

Overview

4→

Patents

1997–2005

Patent span

Human necessities

Primary field (CPC A)

Patents· 4 as inventor

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

C12Nprimary

C12NMicroorganisms or enzymes25%

A61KPreparations for medical, dental or toiletry purposes17%

A61LMethods or apparatus for sterilising materials or objects in general17%

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

A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for8%

A23VIndexing scheme relating to foods, foodstuffs or non-alcoholic beverages and lactic or propionic acid bacteria used in foodstuffs or food preparation8%

C08LCompositions of macromolecular compounds8%

PatentTitleYear

6,964,772'Chitosan-xanthan based polyionic hydrogels for stabilization and controlled release of vitamins'2005 5,858,392'Supported polyionic hydrogels'1999 5,648,252'Supported polyionic hydrogels containing biologically active material'1997 5,620,706'Polyionic insoluble hydrogels comprising xanthan and chitosan'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–1999Patents assigned to ISRAEL FIBER INST STATE OF ISR (2)· patent assignee history

1997–1999Patents assigned to YISSUM RES DEV CO (2)· patent assignee history

1997Patents assigned to UNIV SHERBROOKE (1)· patent assignee history

1997–2005Based in Sherbrooke, CA· patent location history

1999Based in Quebec, CA· patent location history

2005Patents assigned to KEMESTRIE INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ISRAEL FIBER INST STATE OF ISR	2	1997–1999
YISSUM RES DEV CO	2	1997–1999
KEMESTRIE INC	1	2005
UNIV SHERBROOKE	1	1997

Locations

Location	Patents	Span
Sherbrooke, CA	3	1997–2005
Quebec, CA	1	1999