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Inventor

Alexei A. Gridnev

Inventor
Wilmington, DE, US

Overview

46→
Patents
1996–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 46 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 bonds30%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds20%
C07DHeterocyclic compounds13%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium13%
C07CAcyclic or carbocyclic compounds9%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%
C09DCoating compositions, e.g. paints, varnishes or lacquers5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients1%
C08LCompositions of macromolecular compounds1%
PatentTitleYear
10,836,859Polycarbonate polyol compositions and methods202010,662,211Catalysts and methods for polymer synthesis202010,301,426Polycarbonate polyol compositions and methods20199,951,096Catalysts and methods for polymer synthesis20189,809,678'Polycarbonate polyol compositions and methods'20179,738,647'Methods for the synthesis of polycyclic guanidine compounds'20179,505,878'Catalysts and methods for polymer synthesis'20169,376,531'Polycarbonate polyol compositions and methods'20168,956,989'Catalysts and methods for polymer synthesis'20158,951,930'Catalysts and methods for polymer synthesis'20158,946,109'Catalysts and methods for polymer synthesis'20158,921,508'Polycarbonate polyol compositions and methods'20148,642,771'Methods for the synthesis of polycyclic guanidine compounds'20148,633,123'Catalysts and methods for polymer synthesis'20148,604,155'Polycarbonate polyol compositions and methods'20138,470,956'Polycarbonate polyol compositions and methods'20138,247,520'Polycarbonate polyol compositions and methods'20128,053,541'Catalysts for catalytic chain transfer'20117,816,467'Processes for hydrazine addition to acrylic macromonomers and products therefrom'20107,803,881'Process for amination of acrylic macromonomers and products therefrom'20107,740,699'Orthoformate-protected polyols'20107,714,084'Catalysts for catalytic chain transfer'20107,678,850'Pigment dispersions containing aminated acrylic macromonomer dispersant'20107,507,786'Decolorization of oligomers'20097,402,646'Polymerization of diisopropenylbenzene'20087,148,297'Catalytic polymerization process'20067,109,282'Catalytic polymerization process'20067,071,264'Branched polymers and coating compositions made therefrom'20067,022,792'Initiation of polymerization by hydrogen atom donation'20066,858,745'Alkyl cobalt (III) dioximates and process for forming the same'20056,740,618'Alkyl cobalt(III) dioximates and process for forming the same'20046,713,427'Alkyl cobalt (III) dioximates and process for forming the same'20046,624,261'Catalytic polymerization process'20036,559,327'Alkyl cobalt (III) dioximates and process for forming the same'20036,388,153'Alpha-methylstyrene dimer derivatives'20026,388,036'Oligomerization, polymerization and copolymerization of substituted and unsubstituted -methylene--butyrolactones and products thereof'20026,388,004'Method of controlling polymer molecular weight and structure'20026,376,626'Method of macromonomer synthesis'20026,294,708'Alpha-methylstyrene dimer derivatives'20016,271,340'Method of controlling polymer molecular weight and structure'20016,117,958'Free radical polymer chain initiation with unreactive unsaturates'20005,883,206'Free radical polymer chain initiation with unreactive unsaturates'19995,847,060'Functionalized diene oligomers'19985,750,772'Decolorization of hydroxy-containing methacrylate homopolymers and copolymers'19985,726,263'Molecular weight truncation and color control in macromonomers'19985,587,431'Synthesis of terminally unsaturated oligomers'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2011Patents assigned to DU PONT (25)· patent assignee history
1996–2000Based in Greenville, DE, US· patent location history
1998–2017Based in Wilmington, DE, US· patent location history
2001–2006Patents assigned to COMMW SCIENT IND RES ORG (5)· patent assignee history
2012–2017Patents assigned to NOVOMER INC (13)· patent assignee history
2012–2014Patents assigned to ALLEN SCOTT D (4)· patent assignee history
2012–2020Based in Ithaca, NY, US· patent location history
2017–2020Patents assigned to SAUDI ARAMCO TECH CO (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DU PONT251996–2011
NOVOMER INC132012–2017
SAUDI ARAMCO TECH CO62017–2020
COMMW SCIENT IND RES ORG52001–2006
ALLEN SCOTT D42012–2014
Locations
LocationPatentsSpan
Wilmington, Delaware, US261998–2017
Ithaca, New York, US152012–2020
Greenville, Delaware, US51996–2000