Inventor
G. Allan Stahl
Inventor
Bartlesville, OK, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere29%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests21%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds19%
E21BEarth or rock drilling17%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%
C01GCompounds containing metals not covered by subclasses c01d or c01f2%
C12NMicroorganisms or enzymes2%
C22BProduction and refining of metals2%
F02BInternal-combustion piston engines2%
Y02PClimate change mitigation technologies in the production or processing of goods2%
PatentTitleYear
6,030,928'Polymers useful in the recovery and processing of natural resources'20005,382,371'Polymers useful in the recovery and processing of natural resources'19955,326,854'Flocculation process using lactam or vinyl sulfonate polymer'19945,100,931'Gelation of acrylamide-containing polymers with hydroxyphenylalkanols'19925,098,836'Deoxygenation in field preparation of polymers in aqueous solution'19925,080,809'Polymers useful in the recovery and processing of natural resources'19925,043,364'Gelation of acrylamide-containing polymers with furfuryl alcohol and water dispersible aldehydes'19914,951,921'Polymers useful in the recovery and processing of natural resources'19904,690,219'Acidizing using n-vinyl lactum/unsaturated amide copolymers'19874,644,020'Production of high molecular weight vinyl lactam polymers and copolymers'19874,604,216'Drilling fluids'19864,578,201'N-vinyl lactam/unsaturated amide copolymers in thickened acid compositions'19864,511,677'Ion exchange-active compositions consisting of water-soluble polyelectrolyte upon ion exchange functional substrate'19853,976,038'Reciprocating stratified charge internal combustion engine and mixture formation process'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to STAHL GUNTER (1)· patent assignee history
1976Based in Neu-Ulm, DE· patent location history
1985–2000Patents assigned to PHILLIPS PETROLEUM CO (13)· patent assignee history
1985–1992Based in Bartlesville, OK, US· patent location history
1991–2000Based in Humble, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PHILLIPS PETROLEUM CO | 13 | 1985–2000 |
| STAHL GUNTERself | 1 | 1976 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bartlesville, OK, US | 7 | 1985–1992 |
| Humble, Texas, US | 6 | 1991–2000 |
| Neu-Ulm, DE | 1 | 1976 |