LexDanaLexDanabeta
Inventor

Shenghong A. Dai

Inventor
Wallingford, CT, US

Overview

35→
Patents
1982–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 35 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds34%
C07CAcyclic or carbocyclic compounds19%
C08LCompositions of macromolecular compounds9%
C07DHeterocyclic compounds6%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%
C09DCoating compositions, e.g. paints, varnishes or lacquers4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
A61LMethods or apparatus for sterilising materials or objects in general3%
C08JWorking-up3%
C09JAdhesives3%
PatentTitleYear
10,526,438Multi-functional carbamate having soft-segments, polyisocyanate obtained via subsequent non-phosgene synthesis methods, urethane prepolymer and elastomeric urethane having soft-segments derived therefrom, and preparation method thereof202010,450,265Method for producing amides or polyamides by using aromatic carbamates by way of isocyanates as precursors through catalyzed thermal processes and method for producing aromatic carbamate precursors from aromatic amines20199,750,598'Biocompatible and biodegradable elastomer'20179,745,254'Two-step and one-pot processes for preparation of aliphatic diisocyanates'20179,012,676'Processes for producing aryl carbamates, isocynates and polyureas using diaryl carbonate'20158,975,331'Biodegradable and biocompatible waterborne polyurethane'20158,877,861'One-pot synthetic method for synthesizing silver-containing waterborne polyurethane'20148,318,889'Organic polyurethane shape memory material and a preparation method thereof'20128,110,710'Process for producing bis-alkoxylated diols of bisphenol a from spent polycarbonate discs(PC) or PC waste'20127,981,980'Development of a cross-linked epoxy resin with flame-retardant properties'20117,935,779'Synthesis of polyimides (PI) from poly-carbodiimides and dianhydrides by sequential self-repetitive reaction (SSRR)'20117,897,702'Epoxy resin, curing agent and 9,10-Dihydro-9-oxa-10-phosphaphenanthrene derivative'20117,863,440'Macrocyclic carbodiimides (MC-CDI) and their derivatives, syntheses and applications of the same'20117,772,307'Water dispersible polyisocyanate composition and its uses'20106,838,516'Water dispersible polyisocyanate composition and its uses'20056,429,336'Process for recovering toluene diamine from toluene diisocyanate distillation residues'20025,525,681'Polyurea polymers having improved high temperature stability and method of making same'19965,453,536'Polycarbamates, process for preparing polycarbamates, and process for preparing polyisocyanates'19955,208,270'Catalyst systems useful for forming isocyanurate, amide and/or oxazolidinone groups and a method for their use'19935,169,878'Composition and method of preparation of viscosity-stabilized polyisocyanates comprising triazine groups'19925,143,945'Carboxylic acid modified carbon dioxide co-blown polyurethane-polyisocyanurate foams'19924,720,584'Nitro substituted diphenyl ethers and derivatives thereof'19884,709,004'Polyesteramide from hydroxy phenyl-isopropyl-amino diphenyl ether'19874,689,434'Nitro substituted diphenyl ethers and derivatives thereof'19874,683,302'Azetidinedione compounds as crosslinkers for electrodeposited coatings'19874,642,342'Azetidinedione urethanes'19874,618,727'Nitro substituted diphenyl ethers'19864,612,374'Tris-azetidinedione derivative 1,3,5-triazin-2,4,6-triones'19864,612,098'Process for electrodeposition using azetidinedione compounds as crosslinkers'19864,604,450'Polymer from azetidine-2,4-dione and polyol or polyamine'19864,576,747'Isocyanato-azetidinediones'19864,576,980'Azetidinedione compounds as crosslinkers for electrodeposited coatings'19864,550,157'Polyamide block copolymer from lactam and azetidine-2,4-dione'19854,334,106'Process for the preparation of hydroxyphenyl-indanols'19824,328,361'Novel process'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1988Based in Wallingford, CT, US· patent location history
1985–2002Patents assigned to DOW CHEMICAL CO (17)· patent assignee history
1992–2002Based in Lake Jackson, TX, US· patent location history
2005–2020Based in Taichung, TW· patent location history
2011–2020Patents assigned to GREAT EASTERN RESINS IND CO LTD (7)· patent assignee history
2011–2012Patents assigned to CHUNG SHAN INST OF SCIENCE (3)· patent assignee history
2011Based in Taoyuan, TW· patent location history
2012–2015Patents assigned to DAI SHENGHONG A (5)· patent assignee history
2012–2015Patents assigned to NAT UNIV CHUNG HSING (3)· patent assignee history
2017Based in Taipei, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DOW CHEMICAL CO171985–2002
GREAT EASTERN RESINS IND CO LTD72011–2020
DAI SHENGHONG Aself52012–2015
CHUNG SHAN INST OF SCIENCE32011–2012
NAT UNIV CHUNG HSING32012–2015
Locations
LocationPatentsSpan
Wallingford, CT, US141982–1988
Taichung, TW122005–2020
Lake Jackson, Texas, US61992–2002
Taoyuan, TW22011
Taipei, TW12017