LexDanaLexDanabeta
Inventor

Dennis L. Rivenburgh

Inventor
Endicott, NY, US

Overview

5→
Patents
1981–1984
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 as inventor

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

B23Kprimary
B23KSoldering or unsoldering15%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1015%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
C01DCompounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium8%
C07CAcyclic or carbocyclic compounds8%
C09DCoating compositions, e.g. paints, varnishes or lacquers8%
C09KMaterials for miscellaneous applications, not provided for elsewhere8%
C11DDetergent compositions8%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices8%
H05KPrinted circuits8%
PatentTitleYear
4,441,938'Soldering flux'19844,358,627'Reducing chloride concentration'19824,334,949'Reducing carbonate concentration in aqueous solution'19824,276,186'Cleaning composition and use thereof'19814,246,147'Screenable and strippable solder mask and use thereof'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1984Patents assigned to IBM (5)· patent assignee history
1981–1984Based in Endicott, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM51981–1984
Locations
LocationPatentsSpan
Endicott, New York, US51981–1984