Inventor

Eric James Pressman

Inventor

East Greenbush, NY, US

Overview

1986–2017

Patent span

Chemistry

Primary field (CPC C)

Patents· 60 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds49%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry19%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds7%

Y02PClimate change mitigation technologies in the production or processing of goods6%

C07DHeterocyclic compounds4%

C08JWorking-up3%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients2%

C08LCompositions of macromolecular compounds2%

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

B01DSeparation1%

PatentTitleYear

9,593,210'Methods of preparing polysilazane resin with low halogen content'2017 8,382,883'Membranes comprising amino acid mobile carriers'2013 8,013,173'Method of purifying dianhydrides, the dianhydrides formed thereby, and polyetherimides formed therefrom'2011 7,863,463'Method of purifying dianhydrides'2011 7,674,920'Methods for preparing oxydiphthalic anhydrides, oxydiphthalic anhydrides prepared thereby, and polyetherimides derived therefrom'2010 7,495,113'Method of purifying dianhydrides'2009 7,084,291'Water resistant catalyst for the production of diaryl carbonates via the direct carbonylation of phenolic compounds'2006 7,045,666'Bromination of hydroxyaromatic compounds and further conversion to dihydroxyaromatic compounds'2006 7,002,046'Process for the recovery of dihydroxybiaryl compounds'2006 6,982,356'Method for preparation of para-brominated hydroxyaromatic compounds'2006 6,833,482'Method for production of bis(hydroxy-aromatic)compounds'2004 6,815,565'Method for preparing hydroquinones and dihydroxybiphenyl compounds from mixtures of bromophenols and benzoquinones'2004 6,800,779'Method for producing aromatic carbonates'2004 6,521,777'Process for the production of diaryl carbonates'2003 6,506,924'Method for recovery of catalyst components'2003 6,472,551'Process for the production of diaryl carbonates'2002 6,441,215'Method for reducing carbonate decomposition in reaction mixtures'2002 6,423,863'Method of sustaining catalyst activity in the catalytic production of aromatic carbonates'2002 6,420,589'Process for the production of diaryl carbonates'2002 6,420,587'Catalyst system for producing aromatic carbonates'2002 6,410,774'Method for recovery of catalyst components'2002 6,403,821'Catalyst composition and method for producing diaryl carbonates using nitrile as promoter'2002 6,384,262'Process for the production of diaryl carbonates'2002 6,380,417'Catalysts system for producing aromatic carbonates'2002 6,346,500'Catalyst system for producing aromatic carbonates'2002 6,346,499'Catalyst composition for producing diaryl carbonates using carboxylic acid amide as promoter'2002 6,310,232'Method for recycle of bromide-containing catalyst constituents'2001 6,303,835'Method for recovering material values from bisphenol tars'2001 6,265,340'Catalyst composition and method for producing diaryl carbonates'2001 6,222,002'Method for preparing polycarbonates by oxidative carbonylation'2001 6,215,014'Catalyst composition and method for producing diaryl carbonates'2001 6,207,848'Process for the production of diaryl carbonates'2001 6,197,916'Method for preparing bisphenol A'2001 6,197,991'Method and catalyst system for producing'2001 6,191,299'Method for making aromatic carbonates'2001 6,180,812'Catalyst composition and method for producing diaryl carbonates using amide as promoter'2001 6,172,254'Catalyst composition and method for producing diaryl carbonates using nitrile as promoter'2001 6,160,154'Method and catalyst system for producing aromatic carbonates'2000 6,143,914'Method and catalyst system for producing aromatic carbonates'2000 6,114,564'Catalyst composition and method for producing diaryl carbonates'2000 5,990,362'Method for preparing bisphenol A'1999 5,981,788'Method for recovering and recycling catalyst constituents'1999 5,908,952'Method for preparing diaryl carbonates employing .beta.-diketone salts'1999 5,898,079'Method for preparing diaryl carbonates employing hexaalkylguanidinium halides'1999 5,898,080'Method for preparing diaryl carbonates employing hexaalkylguanidinium halides'1999 5,763,686'Method for preparing 1,1,1-tris(4-hydroxyphenyl)ethane'1998 5,760,272'Method for preparing diaryl carbonates with improved selectivity'1998 5,756,801'Method of purifying diphenyl carbonate-phenol adduct'1998 5,723,689'Process for recovering bisphenols'1998 5,723,691'Method for preparing ion-exchange resin for use as a catalyst in the synthesis of bisphenols'1998 5,428,075'Method for regenerating a sulfonated aromatic organic polymeric ion-exchange resin bed having deactivated aminoorganomercaptan groups with phenol'1995 5,414,151'Method for making bisphenol'1995 5,399,734'Method for making aromatic organic carbonates'1995 5,312,955'Method for making aromatic organic carbonates'1994 5,284,964'Method for making aromatic carbonates'1994 5,231,210'Method for making aromatic carbonates'1993 4,791,145'Modified flame retardant polyphenylene ether resins having improved foamability and molded articles made therefrom'1988 4,728,675'Modified flame retardant polyphenylene ether resins having improved foamability and molded articles made therefrom'1988 4,695,594'Modified flame retardant polyphenylene ether resins having improved foamability and molded articles made therefrom'1987 4,584,416'Method and catalyst for making bisphenol'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–2017Patents assigned to GEN ELECTRIC (56)· patent assignee history

1986Based in Schenectady, NY, US· patent location history

1987–2013Based in East Greenbush, NY, US· patent location history

2010–2011Patents assigned to SABIC INNOVATIVE PLASTICS IP (3)· patent assignee history

2013Patents assigned to MILLER SCOTT MICHAEL (1)· patent assignee history

2013Patents assigned to OLSEN CATHRYN (1)· patent assignee history

2013Patents assigned to PRESSMAN ERIC JAMES (1)· patent assignee history

2017Based in West Stockbridge, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GEN ELECTRIC	56	1986–2017
SABIC INNOVATIVE PLASTICS IP	3	2010–2011
MILLER SCOTT MICHAEL	1	2013
OLSEN CATHRYN	1	2013
PRESSMAN ERIC JAMESself	1	2013

Locations

Location	Patents	Span
East Greenbush, New York, US	58	1987–2013
West Stockbridge, Massachusetts, US	1	2017
Schenectady, New York, US	1	1986