Inventor · disambiguated record
Suriyanarayan Dorai
Also filed as: DORAI SURIYANARAYAN
11 granted patents·112 citations·filing 1991–1997
89Inventor score
Files withDU PONT11
Top patents by PatentIndex Score
11 records- 0178US5149862APreparation of polytetramethylene ether glycol using an acidic zirconia catalystDU PONT·Filed 1991·Granted Sep 22, 1992·26 cites·7 claims
- 0270US5118869APolymerizing tetrahydrofuran to produce polytetramethylene ether glycol using a modified fluorinated resin catalyst containing sulfonic acid groupsDU PONT·Filed 1991·Granted Jun 2, 1992·21 cites·10 claims
- 0365US5130470APolymerization of tetrahydrofuran using a fluorinated acidic catalyst and maleic acid/maleic anhydride mixture as molecular weight control agentDU PONT·Filed 1991·Granted Jul 14, 1992·20 cites·6 claims
- 0454US5282929AReducing molecular weight distribution of polyether glycols by short-path distillationDU PONT·Filed 1992·Granted Feb 1, 1994·17 cites·5 claims
- 0543US5684179AMethod for recovering diacetate esters of polytetramethylene ethersDU PONT·Filed 1995·Granted Nov 4, 1997·7 cites·4 claims
- 0642US5852218AAlkanolysis of polyether polyol esters by reactive distillationDU PONT·Filed 1995·Granted Dec 22, 1998·7 cites·8 claims
- 0742US5302255AReducing molecular weight distribution of polyether glycols by short-path distillationDU PONT·Filed 1992·Granted Apr 12, 1994·10 cites·6 claims
- 0834US5155283APolymerization of tetrahydrofuran using trifluoromethane sulfonic acid monohydrate as catalystDU PONT·Filed 1991·Granted Oct 13, 1992·3 cites·6 claims
- 0930USRE35360EReduction of molecular weight of poly(tetramethylene ether) glycolDU PONT·Filed 1994·Granted Oct 22, 1996·0 cites·22 claims
- 1030US5180857AReduction of molecular weight of poly(tetramethylene ether) glycolDU PONT·Filed 1992·Granted Jan 19, 1993·0 cites·22 claims
- 1126US5962727AMethod for manufacturing diacetate esters of polytetramethylene ethersDU PONT·Filed 1997·Granted Oct 5, 1999·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →