Inventor

Ronald L. Markezich

Inventor

Scotia, NY, US

Overview

17→

Patents

1976–2002

Patent span

Chemistry

Primary field (CPC C)

Patents· 17 as inventor

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

C07Dprimary

C07DHeterocyclic compounds27%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients27%

C07CAcyclic or carbocyclic compounds17%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium13%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds13%

C08LCompositions of macromolecular compounds3%

PatentTitleYear

6,448,310'Flame retardant composition'2002 4,719,256'Fire retardant thermoplastic polyester and polyesterether compositions'1988 4,707,506'Polyesterether elastomer compositions having improved flame retardant properties'1987 4,335,039'Thermally stable polycarbonate compositions'1982 4,329,287'Halo-(carbonyldioxyaryl)ethylenes'1982 4,312,803'Thermally stable polycarbonate compositions'1982 4,276,233'Hindered phenol phosphites'1981 4,247,448'Thermally stable polycarbonate compositions comprising oxetane phosphonites'1981 4,238,597'Process for producing copolyester-carbonates'1980 4,217,281'Imide carbonyl compounds and method for making'1980 4,128,574'Method for making organic polycarboxylic acids'1978 4,020,089'Method for making n-alkylphthalimides'1977 4,011,246'2-[4-(3,4-Dicarboxyphenoxy)phenyl]-2-(4-hydroxyphenyl)propane and the anhydrides thereof'1977 4,005,134'Method for making aromatic bis(ether dicarboxylic acid)'1977 3,992,407'Preparation of aromatic bisimides'1976 3,992,406'Preparation of aromatic bisimides'1976 3,956,321'Preparation of 4-fluorophthalic anhydride'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1982Patents assigned to GEN ELECTRIC (14)· patent assignee history

1976–1980Based in Scotia, NY, US· patent location history

1980–1982Based in Mt. Vernon, IN, US· patent location history

1982–2002Based in Williamsville, NY, US· patent location history

1987–1988Patents assigned to OCCIDENTAL CHEM CO (2)· patent assignee history

2002Patents assigned to LAUREL IND INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GEN ELECTRIC	14	1976–1982
OCCIDENTAL CHEM CO	2	1987–1988
LAUREL IND INC	1	2002

Locations

Location	Patents	Span
Scotia, New York, US	8	1976–1980
Mt. Vernon, IN, US	5	1980–1982
Williamsville, New York, US	4	1982–2002