Inventor
Charles J. McDonald
Inventor
Midland, MI, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds33%
C09KMaterials for miscellaneous applications, not provided for elsewhere11%
E21BEarth or rock drilling11%
G01NInvestigating or analysing materials by determining their chemical or physical properties11%
A01DHarvesting6%
A61BDiagnosis6%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%
C07CAcyclic or carbocyclic compounds6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
6,609,068'Personal computer breath analyzer for health-related behavior modification and method'20034,973,670'Method for preparing hollow latexes'19904,962,154'Latex-antigen-antibody complexes for immunoassay'19904,395,311'Preparation of aminomethanols'19834,322,939'Device for gathering fruit'19824,297,256'Preparation of water-immiscible, acid-soluble N-(aminomethyl)-.alpha.,.beta .'19814,288,390'Preparation of N-(aminomethyl)-.alpha.,.beta.-ethylenically unsaturated carboxamides and their polymers'19814,282,928'Method for controlling permeability of subterranean formations'19814,265,835'Conversion of carboxamide to N-substituted derivative thereof using carbon magnetic analysis'19814,182,417'Method for controlling permeability of subterranean formations'19804,166,828'Preparation of N-(aminomethyl)-.alpha.,.beta.-ethylenically unsaturated carboxamides and their polymers'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1990Patents assigned to DOW CHEMICAL CO (9)· patent assignee history
1979–2003Based in Midland, MI, US· patent location history
1982Patents assigned to MCDONALD CHARLES J (1)· patent assignee history
1982Based in Plant City, FL, US· patent location history
2003Patents assigned to DOW GLOBAL TECHNOLOGIES INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DOW CHEMICAL CO | 9 | 1979–1990 |
| DOW GLOBAL TECHNOLOGIES INC | 1 | 2003 |
| MCDONALD CHARLES Jself | 1 | 1982 |
Locations
| Location | Patents | Span |
|---|---|---|
| Midland, MI, US | 10 | 1979–2003 |
| Plant City, Florida, US | 1 | 1982 |