Inventor
John R. Briggs
Inventor
Charleston, WV, US
Overview
Patents· 59 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds35%
Y02PClimate change mitigation technologies in the production or processing of goods19%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium12%
C07BGeneral methods of organic chemistry10%
C07DHeterocyclic compounds9%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%
C08CTreatment or chemical modification of rubbers1%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests1%
PatentTitleYear
11,111,260Methods for forming 1,3,5,7-tetraalkyl-6-(2,4-dimethoxyphenyl)-2,4,8-trioxa-6-phosphaadamantane202110,751,706Butadiene telomerization catalyst precursor preparation202010,569,262Butadiene telomerization catalyst precursor preparation20209,579,641'Aryl phosphines with fused ring ortho-alkoxy substitution'20179,505,672'Iodine-based catalyst for reductive dehydroxylation of vicinal polyols to olefins'20169,174,905'Process for telomerization of butadiene using a mono-orthoalkoxy substituted catalyst'20159,067,845'Process for hydrochlorination of multihydroxylated aliphatic hydrocarbons'20158,829,229'Polyol ethers and process for making them'20148,558,030'Process for telomerization of butadiene'20138,541,632'Process and apparatus for producing chlorohydrin'20138,404,905'Batch, semi-continuous or continuous hydrochlorination of glycerin with reduced volatile chlorinated hydrocarbon by-products and chloroacetone levels'20138,304,563'Batch, semi-continuous or continuous hydrochlorination of glycerin with reduced volatile chlorinated hydrocarbon by-products and chloroacetone levels'20128,236,975'Process for the conversion of a crude glycerol, crude mixtures of naturally derived multicomponent aliphatic hydrocarbons or esters thereof to a chlorohydrin'20128,088,957'Conversion of a multihydroxylated-aliphatic hydrocarbon or ester thereof to a chlorohydrin'20127,956,132'Production of telechelic compounds by metathesis depolymerization'20117,910,781'Process for the conversion of a crude glycerol, crude mixtures of naturally derived multihydroxylated aliphatic hydrocarbons or esters thereof to a chlorohydrin'20117,906,690'Batch, semi-continuous or continuous hydrochlorination of glycerin with reduced volatile chlorinated hydrocarbon by-products and chloracetone levels'20117,524,913'Functionalized poly(4-methyl-1-pentene)'20097,485,759'Minimization of ligand degradation products, or reversion of same to useful phosphine ligands'20097,399,895'Aluminum phosphate-supported group 6 metal amide catalysts for oligomerization of ethylene'20087,351,868'Minimization of ligand degradation products, of reversion of same to useful phosphine ligands'20087,220,884'Hydroaminomethylation of olefins'20076,369,283'Processes for producing unsaturated alcohols'20026,310,260'Separation processes'20016,307,065'Processes for producing epsilon caprolactones and/or hydrates and/or esters thereof'20016,307,110'Separation processes'20016,303,829'Separation processes'20016,294,700'Separation processes'20016,191,324'Processes for producing unsaturated alcohols'20016,187,970'Processes for producing 1,6-hexanediols'20016,184,391'Processes for producing epsilon caprolactones and/or hydrates and/or esters thereof'20016,172,269'Processes for producing 1,6-hexanediols'20016,034,286'Processes for producing saturated alcohols'20005,962,680'Processes for producing epsilon caprolactams'19995,925,754'Epsilon caprolactam compositions'19995,917,095'Metal-ligand complex catalyzed processes'19995,892,127'Processes for producing 1,6-hexanedials and derivatives'19995,892,119'Metal-ligand complex catalyzed processes'19995,886,237'Processes for producing alkenals and alkenols'19995,886,236'Process for producing aldehyde acid salts'19995,886,235'Metal-ligand complex catalyzed processes'19995,883,265'Processes for producing epsilon caprolactones and/or hydrates and/or esters thereof'19995,874,640'Metal-ligand complex catalyzed processes'19995,874,639'Metal-ligand complex catalyzed processes'19995,821,389'Processes for producing hydroxyaldehydes'19985,817,883'Processes for producing hydroxyaldehydes'19985,449,653'Catalysts and processes useful in producing 1,3-diols and/or 3-hydroxyaldehydes'19955,430,194'Process for improving enantiomeric purity of aldehydes'19955,225,387'Catalysts for producing 1,3-diols and/or 3-hydroxyaldehydes, and processes for making and using same'19935,210,318'Catalysts and processes useful in producing 1,3-diols and/or 3-hydroxyldehydes'19935,030,766'Catalysts for producing 1,3-diols and/or 3-hydroxyaldehydes, and processes for making and using same'19914,853,356'Process for trimerization'19894,822,925'Organosalts of metalate anions and process for the production of alkylene glycols therewith'19894,772,736'Process for the preparation of aluminoxanes'19884,668,838'Process for trimerization'19874,667,045'Organosalts of metalate anions and process for the production of alkylene glycols therewith'19874,585,883'Preparation of organometalates'19864,579,982'Preparation of monoalkylene glycols using two liquid phase reaction menstruum'19864,564,715'Preparation of monoalkylene glycols in two stages'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1989Patents assigned to UNION CARBIDE CORP (8)· patent assignee history
1986–2021Based in Charleston, WV, US· patent location history
1993–2008Patents assigned to UNION CARBIDE CHEM PLASTIC (29)· patent assignee history
2009–2020Based in Midland, MI, US· patent location history
2011–2021Patents assigned to DOW GLOBAL TECHNOLOGIES LLC (16)· patent assignee history
2012–2015Patents assigned to BRIGGS JOHN R (6)· patent assignee history
2012–2013Patents assigned to HOOK BRUCE D (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNION CARBIDE CHEM PLASTIC | 29 | 1993–2008 |
| DOW GLOBAL TECHNOLOGIES LLC | 16 | 2011–2021 |
| UNION CARBIDE CORP | 8 | 1986–1989 |
| BRIGGS JOHN Rself | 6 | 2012–2015 |
| HOOK BRUCE D | 5 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Charleston, WV, US | 42 | 1986–2021 |
| Midland, MI, US | 17 | 2009–2020 |