Inventor

David L. Ramage

Inventor

Friendswood, TX, US

Overview

2011–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 14 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds50%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry27%

G01NInvestigating or analysing materials by determining their chemical or physical properties12%

B01DSeparation4%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%

Y10TTechnical subjects covered by former us classification4%

PatentTitleYear

10,710,953Method for purification of GAA2020 10,584,087Removal of permanganate reducing compounds from intermediate GAA process streams2020 10,246,398Additives for carboxylic acid production processes2019 10,118,884Acetic acid process2018 10,067,113Acetic acid production process2018 9,908,833'Removal of aldehydes in acetic acid production processes'2018 9,873,655Selective removal of impurities in acetic acid production processes2018 9,822,054'Use of a ruthenium promoter in a phosphine oxide carbonylation process'2017 9,822,055'Silver loaded halide removal resins for treating halide containing solutions'2017 9,790,159'Catalyst stability and corrosion prevention in acetic acid production process'2017 9,656,939'Acetic acid process'2017 9,475,746'Catalyst stability and corrosion prevention in acetic acid production process'2016 9,428,434'Water control in acetic acid production processes'2016 8,013,082'Processes for correlating UV-VIS spectra of norbornene compound to polymerization processes using the same, and related purification methods and compositions'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011Patents assigned to DOW GLOBAL TECHNOLOGIES LLC (1)· patent assignee history

2011Based in Lake Jackson, TX, US· patent location history

2016–2020Patents assigned to LYONDELLBASELL ACETYLS LLC (13)· patent assignee history

2016–2020Based in Friendswood, TX, US· patent location history

2016–2018Based in Houston, TX, US· patent location history

2017–2018Patents assigned to LYONDELLBASELL ACETYIS LLC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
LYONDELLBASELL ACETYLS LLC	13	2016–2020
LYONDELLBASELL ACETYIS LLC	2	2017–2018
DOW GLOBAL TECHNOLOGIES LLC	1	2011

Locations

Location	Patents	Span
Friendswood, Texas, US	9	2016–2020
Houston, Texas, US	4	2016–2018
Lake Jackson, Texas, US	1	2011