Inventor
John T. Lai
Inventor
Broadview Heights, OH, US
Overview
Patents· 95 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Kprimary
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients20%
C07DHeterocyclic compounds19%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds13%
C07CAcyclic or carbocyclic compounds12%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds9%
C09DCoating compositions, e.g. paints, varnishes or lacquers4%
C09KMaterials for miscellaneous applications, not provided for elsewhere4%
C10MLubricating compositions3%
C08LCompositions of macromolecular compounds2%
Y10TTechnical subjects covered by former us classification2%
PatentTitleYear
D0907791Nasal stimulator body202110,662,275Guanylurea alcohol phosphates and their use as reactants in polyurethane and epoxy resin applications202010,640,616Waterborne polyamide and their chain extension with isocyanates to form cationic waterborne polyureas dispersions202010,174,140Non-halogen flame retardant polymers20199,988,555Water-borne polyamide-urea dispersions20189,809,675'Polymers made from telechelic N-alkylated polyamides'20179,783,687'Non-halogen flame retardant as coatings for fibrous filter media'20179,527,961'Telechelic N-alkylated polyamide polymers and copolymers'20169,290,639'Non-halogen flame retardant polymers'20168,901,223'Polymers derived from itaconic acid'20148,709,543'Hydroxyl-terminated thiocarbonate containing compounds, polymers, and copolymers, and polyurethanes and urethane acrylics made therefrom'20148,492,576'Hydroxyl-terminated thiocarbonate containing compounds, polymers, and copolymers, and polyurethanes and urethane acrylics made therefrom'20138,137,754'Hydroxyl-terminated thiocarbonate containing compounds, polymers, and copolymers, and polyurethanes and urethane acrylics made therefrom'20127,851,582'S-(α, α′-disubstituted-α″-acetic acid)—substituted dithiocarbonate derivatives for controlled radical polymerizations, process and polymers made therefrom'20107,659,345'S,S′-bis-(α, α′-Disubstituted-α″-Acetic acid)—trithiocarbonates and derivatives as initiator—chain transfer agent—terminator for controlled radical polymerizations and the process for making the same'20107,557,235'Hydroxyl-terminated thiocarbonate containing compounds, polymers, and copolymers, and polyurethanes and urethane acrylics made therefrom'20097,498,456'S-(α, α′-disubstituted-α″-acetic acid) substituted dithiocarbonate derivatives for controlled radical polymerization, process and polymers made therefrom'20097,495,050'Associative thickeners for aqueous systems'20097,495,128'S-S′-bis-(α, α′-Disubstituted-α″-acetic acid)—trithiocarbonates and derivatives as initiator—chain transfer agent—terminator for controlled radical polymerizations and the process for making the same'20097,423,082'Associative thickeners for aqueous systems'20087,335,788'S-(α, α′-disubstituted-α″-acetic acid) substituted dithiocarbonate derivatives for controlled radical polymerizations, process and polymers made therefrom'20087,279,591'S,s′-bis-(α, α′-disubstituted-α′-acetic acid)-trithiocarbonates and derivatives as initiator—chain transfer agent—terminator for controlled radical polymerizations and the process for making the same'20077,205,368'S-(α, α′-disubstituted-α′ ′-acetic acid) substituted dithiocarbonate derivatives for controlled radical polymerizations, process and polymers made therefrom'20076,962,961'S,S′-BIS-(α, α′-DISUBSTITUTED-α-ACETIC ACID)-TRITHIOCARBONATES AND DERIVATIVES AS INITIATOR-CHAIN TRANSFER AGENT-TERMINATOR FOR CONTROLLED RADICAL POLYMERIZATIONS AND THE PROCESS FOR MAKING THE SAME'20056,894,116'S,S′-bis-(α, α′—disubstituted—α″—acetic acid)—trithiocarbonates and polymers thereof for toughening thermosetting resins'20056,596,899'S,SBIS-(, -DISUBSTITUTED--ACETIC ACID)- TRITHIOCARBONATES AND DERIVATIVES AS INITIATOR-CHAIN TRANSFER AGENT-TERMINATOR FOR CONTROLLED RADICAL POLYMERIZATIONS AND THE PROCESS FOR MAKING THE SAME'20036,426,324'Lubricant composition'20026,281,311'Controlled free radical polymerization process'20016,204,412'Method of manufacturing alkylated diphenylamine compositions and products thereof'20016,011,061'Therapeutic methods and preparations using rubidium ions'20005,945,119'Therapeutic preparations containing caesium ions'19995,750,787'Liquid alkylated diphenylamine antioxidant'19985,672,752'Liquid alkylated diphenylamine antioxidant'19975,489,711'Synthetic lubricant antioxidant from monosubstituted diphenylamines'19965,321,159'Decolorization of alkylated diarylamines'19945,278,209'Thermooxidative stabilization of polyolefins with an oxo-piperazinyl-triazine and a phosphorous acid ester'19945,270,471'Process for making alkylated polyalkylenepolyamines by selective alkylation'19935,240,977'Multi-component stabilizer system for polyolefins pigmented with azo and disazo pigments'19935,223,339'Stabilized polypropylene fibers pigmented with red 144'19935,189,173'Alkylated polyalkylene polyamines and process for selective alkylation'19935,122,593'Stabilized gamma-irradiatable polypropylene fibers and sterilizable articles thereof'19925,098,944'Thermooxidative stabilization of polymers with a N4-alkylated oxo-piperazinyl-triazine'19925,096,949'N,N-disubstituted, .alpha.-(3,5-dialkyl-4-hydroxyphenyl)-.alpha.,.alpha.-disubstituted acetamides and composition stabilized therewith'19925,089,614'Polysubstituted 2-morpholones'19925,071,981'Alkylated oxo-piperanzinyl-triazine'19915,053,505'Process for the manufacture of a tri-substituted triazine stabilizer'19915,047,460'Stabilized polypropylene fibers pigmented with Red 144'19915,037,963'Process for the preparation of symmetrical azo-dinitrile, dicarboxylic acids from keto acids'19915,034,523'Process for preparing a 1,4-diazacycloheptan-2-one with a mixture of alkylated diamines'19915,013,836'Process for methylating a hindered nitrogen atom in a polysubstituted diazacycloalkan-2-one'19915,010,177'Process for the preparation of an azonitrile dicarboxylic acid initiator in acetone having a low salt and low water content'19915,010,179'Process for the preparation of mixed, symmetrical azonitrile dicarboxylic dicyano acids and initiators'19915,010,178'Process for the preparation of mixed azonitrile carboxylic acid initiators'19914,929,653'Stabilized pigmented polypropylene fiber resistant to gas fade'19904,920,228'N,N-disubstituted, .alpha.-(3,5-dialkyl-4-hydroxyphenyl)-.alpha.,.alpha.-disubstituted acetamides and composition stabilized therewith'19904,914,232'Polysubstituted 2-morpholones, related compounds, processes for their preparation, and U-V light stabilized compositions'19904,841,053'Process for desensitizing a 1-(alkylamino)alkyl-polysubstituted piperazinone during recovery'19894,797,438'Stabilized gamma-irradiated polypropylene and sterilizable articles thereof'19894,780,495'N -(substituted)-.alpha.-(3,5-dialkyl-4-hydroxyphenyl)-.alpha.,.alpha.-disu bstituted acetamides, and composition stabilized therewith'19884,762,872'Oligomeric light stabilizers with substituted piperidine ends'19884,722,806'Alkylated polyalkylenepolyamines, substituted oxo-piperazinyl-triazines and UV light stabilized compositions'19884,711,957'Synthesis of 2-keto-1,4-diazacycloalkanes'19874,698,446'Synthesis of polyamines and mixture formed thereby, of diprimary polyalkylene polyamines with disubstituted N-adjacent terminal carbon atom(s)'19874,692,487'1,2-ethanediyl-bis-2-piperazinone esters, oligomers thereof, and compositions stabilized thereby'19874,675,353'Hindered 2-keto-1,4-diazacycloalkane oligomers containing triazine rings and compositions stabilized thereby'19874,650,903'Oligomeric amides as synergists for antioxidants and UV stabilizers'19874,639,479'Polyalkylenepolyamine having pendant substituted oxo-piperazinyltriazines and UV light stabilized compositions'19874,629,752'Substituted oxo-piperazinyl-triazines and UV light stabilized compositions'19864,601,839'Stabilized polymers, novel stabilizers, and synthesis thereof'19864,547,538'Alkylated polyalkylenepolyamines, substituted oxo-piperazinyl-triazines and UV light stabilized compositions'19854,528,370'Polysubstituted 2-morpholones'19854,523,032'3,5-Dialkyl-4-hydroxyphenyl-substituted acetic acids'19854,500,662'Polysubstituted .alpha.-aminoacetamides'19854,496,772'Preparation of nitroalcohols'19854,480,092'Alkylated polyalkylenepolyamines, substituted oxo-piperazinyl-triazines'19844,477,665'Substituted 2-keto-1,4-diazacycloalkanes'19844,473,694'Process for the preparation of polysubstituted .alpha.-aminoacetamides'19844,466,915'Non-catalytic ketoform syntheses'19844,466,916'Substituted 2-keto-1,4-diazacycloalkanes'19844,455,401'2-Keto-diazacycloalkane-urethane oligomers and U-V light stabilized compositions'19844,415,684'UV-Light stabilized compositions containing substituted 1,5-diazacycloalkanes'19834,347,379'Synthesis of alpha-alkoxycarboxylic acids'19824,310,429'Stabilized polymers, novel stabilizers, and synthesis thereof'19824,309,336'Polymeric compositions containing antioxidants'19824,304,712'Method for extending the useful life of dienic polymers which are sensitive to oxidative degradation and stabilized compositions resistant to oxidative degradation'19814,298,737'Piperdinyl substituted 1,4-diaza-2-cycloalkanones and derivatives thereof'19814,297,497'Synthesis of 2-keto-1,4-diazacycloalkanes'19814,292,240'2-Keto-1,4-diazacycloalkanes'19814,251,435'High molecular weight piperidine derivatives as UV stabilizers'19814,246,412'Synthesis of 2-keto-1,4-diazacycloalkanes with a soft ion catalyst'19814,240,961'Synthesis of 2-piperazinones and 1,4-diaza-2-keto-cycloheptanes'19804,207,228'UV-Light-stabilized compositions containing substituted 1,5-diazacycloalkanes, novel compounds and synthesis thereof'19804,190,571'Substituted 2-keto-1,4-diazacycloalkanes and UV-light-stabilized compositions containing them'19804,167,512'Synthesis of 2-keto-1,4-diazacycloalkanes'19794,104,254'Method for stabilization of UV sensitive plastics with substituted 1,3-oxazolidine'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–2001Patents assigned to GOODRICH CO B F (63)· patent assignee history
1978–2020Based in Broadview Heights, OH, US· patent location history
1999–2000Based in Bendigo, AU· patent location history
2002–2005Patents assigned to NOVEON IP HOLDINGS CORP (4)· patent assignee history
2007–2020Patents assigned to LUBRIZOL ADVANCED MAT INC (21)· patent assignee history
2012–2014Patents assigned to LAI JOHN TA-YUAN (4)· patent assignee history
2012–2014Patents assigned to SHEA RONALD P (3)· patent assignee history
2021Based in San Bruno, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GOODRICH CO B F | 63 | 1978–2001 |
| LUBRIZOL ADVANCED MAT INC | 21 | 2007–2020 |
| LAI JOHN TA-YUANself | 4 | 2012–2014 |
| NOVEON IP HOLDINGS CORP | 4 | 2002–2005 |
| SHEA RONALD P | 3 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Broadview Heights, OH, US | 92 | 1978–2020 |
| Bendigo, AU | 2 | 1999–2000 |
| San Bruno, California, US | 1 | 2021 |