Inventor

Leonard M. Niebylski

Inventor

Birmingham, MI, US

Overview

1976–1994

Patent span

Chemistry

Primary field (CPC C)

Patents· 44 as inventor

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

C10Lprimary

C10LFuels not otherwise provided for26%

C04BLime, magnesia20%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds10%

C08LCompositions of macromolecular compounds9%

Y10TTechnical subjects covered by former us classification7%

C01BNon-metallic elements4%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%

B01DSeparation3%

D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons3%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds2%

PatentTitleYear

5,354,506'Preceramic compositions and ceramic products'1994 5,209,979'Silicon carbide coated article with ceramic topcoat'1993 5,208,284'Coating composition'1993 5,201,947'Preceramic compositions and ceramic products'1993 5,198,488'Preceramic compositions and ceramic products with silicon boride'1993 5,196,059'Preceramic compositions and ceramic products'1993 5,194,338'Preceramic composition containing silicon based powder'1993 5,179,048'Preceramic compositions and ceramic products'1993 5,166,001'Ceramic coatings'1992 5,100,844'Preceramic compositions and ceramic products'1992 5,045,399'Organoborosilazane polymers'1991 5,041,337'Preceramic compositions and ceramic products'1991 5,013,609'Ceramic products derived from polycarbosilanes and boroxines'1991 5,009,961'Preceramic compositions and ceramic products'1991 4,970,282'Organoborosiloxazane polymers'1990 4,921,925'Organoborosilazane polymers'1990 4,910,173'Preceramic compositions and ceramic products'1990 4,873,353'Preceramic compositions and ceramic products'1989 4,652,272'Fuel compositions'1987 4,626,259'Fuel compositions'1986 4,623,362'Fuel compositions'1986 4,623,361'Fuel compositions'1986 4,623,360'Fuel compositions'1986 4,623,363'Fuel compositions'1986 4,613,341'Fuel compositions'1986 4,604,102'Fuel compositions'1986 4,594,077'Fuel compositions'1986 4,592,761'Fuel compositions'1986 4,588,415'Fuel compositions'1986 4,588,416'Fuel compositions'1986 4,541,838'Fuel compositions'1985 4,317,657'Gasoline additive fluids to reduce hydrocarbon emissions'1982 4,266,946'Gasoline containing exhaust emission reducing additives'1981 4,191,536'Fuel compositions for reducing combustion chamber deposits and hydrocarbon emissions of internal combustion engines'1980 4,182,120'Exhaust systems'1980 4,175,927'Fuel compositions for reducing hydrocarbon emissions'1979 4,082,517'Fuel composition for reducing exhaust gas catalyst plugging'1978 4,052,171'Fuel compositions and additive mixtures containing methanetricarboxylates for reducing exhaust gas catalyst plugging'1977 4,005,993'Novel gasoline compositions'1977 4,005,992'Novel gasoline compositions and additives therefor'1977 3,996,740'Exhaust systems'1976 3,950,145'Fuel compositions and additive mixtures containing methanetricarboxylates for reducing exhaust gas catalyst plugging'1976 3,948,618'Fuel compositions containing glycerides for reducing the plugging of exhaust gas catalysts'1976 3,940,262'Reinforced foamed metal'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1993Patents assigned to ETHYL CORP (43)· patent assignee history

1976–1994Based in Birmingham, MI, US· patent location history

1985–1993Based in Baton Rouge, LA, US· patent location history

1994Patents assigned to ALBEMARLE CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ETHYL CORP	43	1976–1993
ALBEMARLE CORP	1	1994

Locations

Location	Patents	Span
Birmingham, MI, US	23	1976–1994
Baton Rouge, LA, US	21	1985–1993