Inventor

David L. Gutnick

Inventor

Ramat Aviv, IL

Overview

15→

Patents

1976–2003

Patent span

Chemistry

Primary field (CPC C)

Patents· 15 as inventor

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

C12Nprimary

C12NMicroorganisms or enzymes16%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%

B01DSeparation13%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture13%

C12RIndexing scheme associated with subclasses c12c - c12q, relating to microorganisms13%

C02FTreatment of water, waste water, sewage, or sludge12%

C09KMaterials for miscellaneous applications, not provided for elsewhere12%

C08BPolysaccharides3%

B08BCleaning in general1%

B63BShips or other waterborne vessels1%

PatentTitleYear

6,512,014'Compositions containing bioemulsifiers and a method for their preparation'2003 4,883,757'Bioemulsifier production by Acinetobacter calcoaceticus strains'1989 4,818,817'Enzymatic degradation of lipopolysaccharide bioemulsifiers'1989 4,704,360'Enzymatic degradation of lipopolysaccharide bioemulsifiers'1987 4,395,354'.alpha.Emulsans'1983 4,395,353'Polyanionic heteropolysaccharide biopolymers'1983 4,380,504'.psi.-Emulsans'1983 4,311,829'Apo-.beta.-emulsans'1982 4,311,831'Apo-.psi.-emulsans'1982 4,311,832'Proemulsans'1982 4,311,830'Apo-.alpha.-emulsans'1982 4,276,094'Cleaning oil-contaminated vessels with .alpha.-emulsans'1981 4,234,689'Production of .alpha.-emulsans'1980 4,230,801'Production of .alpha.-emulsans'1980 3,941,692'Cleaning of cargo compartments'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to GUTNICK DAVID (1)· patent assignee history

1976Patents assigned to ROSENBERG EUGENE (1)· patent assignee history

1976Based in Tel Aviv, IL· patent location history

1980–1981Patents assigned to BIOTECH AG EMULSAN (3)· patent assignee history

1980–1983Based in Ramat Aviv, IL· patent location history

1982–1989Patents assigned to PETROLEUM FERMENTATIONS (10)· patent assignee history

1987–1989Based in Sharon Tichon, IL· patent location history

1989Based in Hemed, IL· patent location history

2003Patents assigned to UNIV RAMOT (1)· patent assignee history

2003Based in Sharon Hatichon, IL· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PETROLEUM FERMENTATIONS	10	1982–1989
BIOTECH AG EMULSAN	3	1980–1981
GUTNICK DAVIDself	1	1976
ROSENBERG EUGENE	1	1976
UNIV RAMOT	1	2003

Locations

Location	Patents	Span
Ramat Aviv, IL	10	1980–1983
Sharon Tichon, IL	2	1987–1989
Sharon Hatichon, IL	1	2003
Hemed, IL	1	1989
Tel Aviv, IL	1	1976