LexDanaLexDanabeta
Inventor

Allen J. Rolfes

Inventor
Mentor, OH, US

Overview

2→
Patents
2000–2001
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C07Gprimary
C07GCompounds of unknown constitution50%
C10MLubricating compositions50%
PatentTitleYear
6,268,318'Process for making overbased calcium sulfonate detergents using calcium oxide and a less than stoichiometric amount of water'20016,015,778'Process for making overbased calcium sulfonate detergents using calcium oxide and a less than stoichiometric amount of water'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2001Patents assigned to LUBRIZOL CORP (2)· patent assignee history
2000–2001Based in Mentor, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LUBRIZOL CORP22000–2001
Locations
LocationPatentsSpan
Mentor, OH, US22000–2001