Inventor
Phillip B. Valkovich
Inventor
Spring, TX, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C10Mprimary
C10MLubricating compositions43%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds36%
C07DHeterocyclic compounds14%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions7%
PatentTitleYear
4,973,732'Polymer containing a polyisobutylene-derived backbone'19904,973,733'Method of functionalizing polymers'19904,904,741'Polymers with amino-methyl-propene-2-yl groups contaiing electron-withdrawing groups'19904,659,491'Lubricating oil containing a polymer having a functionalized backbone which contains an electron withdrawing group'19874,579,675'N-substituted enaminones and oleaginous compositions containing same'19864,510,063'Amine-polymer dispersants in lubricating oils and a method of improving the dispersancy of a lubricating oil'19854,388,200'Quaternary ammonium salt composition and lubricating oil containing same'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–1990Patents assigned to TEXACO INC (7)· patent assignee history
1983–1990Based in Spring, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TEXACO INC | 7 | 1983–1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Spring, Texas, US | 7 | 1983–1990 |