Inventor

William C. Sumner

Inventor

Midland, MI, US

Overview

3→

Patents

1985–2015

Patent span

Chemistry

Primary field (CPC C)

Patents· 3 as inventor

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

B01Dprimary

B01DSeparation13%

C01DCompounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium13%

C07CAcyclic or carbocyclic compounds13%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients13%

C08LCompositions of macromolecular compounds13%

H01LSemiconductor devices13%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation13%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution13%

PatentTitleYear

9,219,182'Optoelectronic devices incorporating fluoropolymer compositions for protection'2015 4,978,811'Process for hydrolysis of ortho-aromatic di-aryl ethers'1990 4,505,885'Method of removing water from alkali metal hydroxide solutions'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1990Patents assigned to DOW CHEMICAL CO (2)· patent assignee history

1985–2015Based in Midland, MI, US· patent location history

2015Patents assigned to CHEN XUMING (1)· patent assignee history

2015Patents assigned to CHUM PAK-WING S (1)· patent assignee history

2015Patents assigned to DOW GLOBAL TECHNOLOGIES LLC (1)· patent assignee history

2015Patents assigned to HOWARD KEVIN E (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DOW CHEMICAL CO	2	1985–1990
CHEN XUMING	1	2015
CHUM PAK-WING S	1	2015
DOW GLOBAL TECHNOLOGIES LLC	1	2015
HOWARD KEVIN E	1	2015

Locations

Location	Patents	Span
Midland, MI, US	3	1985–2015