Inventor

Luigi Giuffre

Inventor

Milan, IT

Overview

23→

Patents

1976–1990

Patent span

Chemistry

Primary field (CPC C)

Patents· 23 as inventor

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

C08Jprimary

C08JWorking-up21%

C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals18%

C07CAcyclic or carbocyclic compounds16%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds13%

B01DSeparation5%

G01NInvestigating or analysing materials by determining their chemical or physical properties5%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%

C01DCompounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium3%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium3%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy3%

PatentTitleYear

4,895,634'Porous separatory member entirely made of polyphenylene sulfide for the electrolysis of water'1990 4,663,012'Separator film for the alkaline electrolysis containing polytitanic acid'1987 4,391,758'Process for methyl isocyanate production'1983 4,384,999'Preparation of alkyl isocyanates'1983 4,295,952'Novel cationic membranes'1981 4,288,382'Reversible adducts of isocyanates with boron compounds'1981 4,285,876'Isocyanate adducts with .beta.-diketones'1981 4,281,184'Monochloroacetic acid process'1981 4,262,252'Measuring electrode for sulfuric acid concentration'1981 4,246,090'Novel cationic membranes'1981 4,236,979'Composite diaphragms and process for electrolyzing alkali metal chloride'1980 4,221,642'Anionic membranes'1980 4,215,009'Purification method'1980 4,208,455'Method of shaping an organic polymer insoluble in a polar solvent'1980 4,201,647'Measuring electrodes and process'1980 4,186,076'Composite diaphragms'1980 4,144,227'Novel copolymers and diaphragms made therefrom'1979 4,132,819'Method of shaping an organic polymer insoluble in a polar solvent'1979 4,060,473'Novel copolymers and diaphragms made therefrom'1977 4,056,447'Electrolyzing alkali metal chlorides using resin bonded asbestos diaphragm'1977 4,020,235'Novel composite diaphragm material'1977 3,978,120'Method for the production of alicyclic anhydrides'1976 3,963,791'Process for transforming hydrocarbon polymers into photodegradable polymers'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1990Based in Milan, IT· patent location history

1977–1981Patents assigned to ORONZIO DE NORA IMPIANTI (12)· patent assignee history

1980–1981Patents assigned to PANCLOR SA (2)· patent assignee history

1981Patents assigned to VERTAC INC (2)· patent assignee history

1983Patents assigned to GIUFFRE LUIGI (2)· patent assignee history

1983Patents assigned to SPAZIANTE PLACIDO M (2)· patent assignee history

1983Based in Milano, IT· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ORONZIO DE NORA IMPIANTI	12	1977–1981
GIUFFRE LUIGIself	2	1983
PANCLOR SA	2	1980–1981
SPAZIANTE PLACIDO M	2	1983
VERTAC INC	2	1981

Locations

Location	Patents	Span
Milan, IT	22	1976–1990
Milano, IT	1	1983