Inventor

Felek Jachimowicz

Inventor

Columbia, MD, US

Overview

24→

Patents

1981–2020

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.

C08Cprimary

C08CTreatment or chemical modification of rubbers14%

C04BLime, magnesia11%

C07CAcyclic or carbocyclic compounds11%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds11%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds11%

D21HPulp compositions11%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%

C07DHeterocyclic compounds2%

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

C09DCoating compositions, e.g. paints, varnishes or lacquers2%

PatentTitleYear

10,752,549Modifying cementitious compositions using ketone alcohol oil waste2020 8,079,184'Skid resistant surfaces'2011 7,927,418'Coordinated metal compounds for reducing chromium'2011 6,872,247'Amine-based, hexavalent chromium reducing agents for cement'2005 6,816,791'Assay methods for hydratable cementitious compositions'2004 6,670,415'Admixture for optimizing addition of EO/PO plasticizers'2003 6,352,952'Admixture and method for optimizing addition of EO/PO superplasticizer to concrete containing smectite clay-containing aggregates'2002 5,387,633'Styrene sodium styrene sulfonate copolymer for plastisol sealant'1995 5,284,918'One package polyurethane/thermoplast plastisol composition'1994 4,851,588'Novel process for the preparation of bronopol'1989 4,789,609'Battery separator'1988 4,689,374'Water soluble polyamidoaminepolyamine having weight average molecular weight of at least 5.times.10.sup.5'1987 4,566,943'Wet strength material'1986 4,565,604'Retention and drainage aid'1986 4,563,484'Polyurethane catalysts'1986 4,558,101'Process for the preparation of polymeric amine containing products'1985 4,526,936'Process for the preparation of polymeric amine containing products'1985 4,513,121'Wet strength material'1985 4,513,122'Retention and drainage aid'1985 4,450,246'Novel polyurethane catalysts in polyurethane foam process'1984 4,322,530'Alkylation of polyamines'1982 4,317,932'Preparation of secondary amines'1982 4,312,965'Process for forming amine/amide containing polymers'1982 4,297,481'Process of forming polymeric polyamine/amide'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2011Patents assigned to GRACE W R & CO (23)· patent assignee history

1981–1994Based in Columbia, MD, US· patent location history

1995–2020Based in Brookline, MA, US· patent location history

2011Patents assigned to JACHIMOWICZ FELEK (1)· patent assignee history

2011Patents assigned to WESTGATE PAUL J (1)· patent assignee history

2011Patents assigned to WIERCINSKI ROBERT A (1)· patent assignee history

2020Patents assigned to GCP APPLIED TECH INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GRACE W R & CO	23	1981–2011
GCP APPLIED TECH INC	1	2020
JACHIMOWICZ FELEKself	1	2011
WESTGATE PAUL J	1	2011
WIERCINSKI ROBERT A	1	2011

Locations

Location	Patents	Span
Columbia, Maryland, US	16	1981–1994
Brookline, Massachusetts, US	8	1995–2020