Inventor

Ralph C. Farrar

Inventor

Bartlesville, OK, US

Overview

24→

Patents

1976–2001

Patent span

Chemistry

Primary field (CPC C)

Patents· 24 as inventor

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

C08Fprimary

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds46%

C08LCompositions of macromolecular compounds15%

C08CTreatment or chemical modification of rubbers13%

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

C08JWorking-up7%

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

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%

PatentTitleYear

6,265,484'Tapered block copolymers of monovinylarenes and conjugated dienes'2001 6,265,485'Tapered block copolymers of monovinylarenes and conjugated dienes'2001 6,066,708'Copolymer production, product thereof and diluent removal therefrom'2000 5,910,546'Tapered block copolymers of monivinylarenes and conjugated dienes'1999 5,705,569'Block copolymers of monovinylarenes and conjugated dienes and preparation thereof'1998 5,545,690'Tapered block copolymers of monovinylarenes and conjugated dienes'1996 5,438,103'Block copolymers of monovinylaromatic and conjugated diene monomers'1995 5,436,298'Block copolymers of monovinylarenes and conjugated dienes and preparation thereof'1995 5,319,033'Tapered block monovinyl aromatic/conjugated diene copolymer'1994 5,270,396'Sequential coupling in formation of resinous block copolymers'1993 5,256,736'Tapered block copolymers of conjugated dienes and monovinylarenes'1993 5,194,582'Process to deodorize an odorous poly(mono-1-olefin)'1993 5,185,400'Reduction of residual volatiles in styrene polymers'1993 5,130,377'Tapered block styrene/butadiene copolymers'1992 4,414,340'Thermosetting compositions'1983 4,377,666'Age-resistant polymers containing chemically bound antioxidant functional groups'1983 4,311,803'Continuous solution polymerization process'1982 4,250,270'Solution polymerization with molecular sieve purification of recycled solvent'1981 4,145,498'Addition of coupling agent during organolithium initiated polymerizations'1979 4,137,391'Continuous solution polymerization of a conjugated diene with a monovinylaromatic compound using alkoxysilicon treating agents in the first reactor means of a reactor series'1979 4,091,198'Suppressing gel in the continuous solution polymerization of a conjugated diene with a monovinyl aromatic compound'1978 4,020,258'Addition of coupling agent during organolithium initiated polymerizations'1977 4,004,070'Viscosity reduction of organopolylithium-initiated polymer solutions'1977 3,948,872'Polymerization process for producing low cis-configuration homopolymers'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2001Patents assigned to PHILLIPS PETROLEUM CO (24)· patent assignee history

1976–2001Based in Bartlesville, OK, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PHILLIPS PETROLEUM CO	24	1976–2001

Locations

Location	Patents	Span
Bartlesville, OK, US	24	1976–2001