LexDanaLexDanabeta
Inventor

Virgilio G. Boncan

Inventor
Spring, TX, US

Overview

4→
Patents
1986–2010
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C04Bprimary
C04BLime, magnesia33%
C09KMaterials for miscellaneous applications, not provided for elsewhere33%
E21BEarth or rock drilling22%
G01NInvestigating or analysing materials by determining their chemical or physical properties11%
PatentTitleYear
7,743,674'High temperature fluid test instrument'20106,230,804'Stress resistant cement compositions and methods for using same'20016,145,591'Method and compositions for use in cementing'20004,632,186'Well cementing method using an AM/AMPS fluid loss additive blend'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to HUGHES TOOL CO (1)· patent assignee history
1986–2010Based in Spring, TX, US· patent location history
2000–2010Patents assigned to BJ SERVICES CO (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BJ SERVICES CO32000–2010
HUGHES TOOL CO11986
Locations
LocationPatentsSpan
Spring, Texas, US41986–2010