Inventor · disambiguated record
David I. Barnes
Also filed as: BARNES DAVID I · ROBINSON JOSEPH G
9 granted patents·69 citations·filing 1979–1983
86Inventor score
Files withCOAL INDUSTRY PATENTS LTD9
Top patents by PatentIndex Score
9 records- 0186US4192824AAromatic hydrocarbon resinsCOAL INDUSTRY PATENTS LTD·Filed 1979·Granted Mar 11, 1980·19 cites·9 claims
- 0264US4526767AProcess for the production of ZSM-5 zeoliteCOAL INDUSTRY PATENTS LTD·Filed 1983·Granted Jul 2, 1985·17 cites·6 claims
- 0362US4346212APhenanthrene/HCHO derived polyamide-imideCOAL INDUSTRY PATENTS LTD·Filed 1980·Granted Aug 24, 1982·6 cites·11 claims
- 0461US4394499APolyimide resinsCOAL INDUSTRY PATENTS LTD·Filed 1981·Granted Jul 19, 1983·14 cites·10 claims
- 0560US4469814ACatalystsCOAL INDUSTRY PATENTS LTD·Filed 1983·Granted Sep 4, 1984·6 cites·11 claims
- 0640US4427578AAmorphous silica-based catalyst and process for its productionCOAL INDUSTRY PATENTS LTD·Filed 1982·Granted Jan 24, 1984·6 cites·8 claims
- 0738US4379896AKeto/polycarboxy containing resinCOAL INDUSTRY PATENTS LTD·Filed 1981·Granted Apr 12, 1983·1 cites·1 claims
- 0828US4373089APhenanthrene based polyimide resinCOAL INDUSTRY PATENTS LTD·Filed 1981·Granted Feb 8, 1983·0 cites·8 claims
- 0928US4352922AMethod of producing an improved poly-(amide-imide) resin by reacting a phenanthrene with formaldehyde followed by oxidizing to produce a polycarboxylated product followed by reaction with an aromatic diamineCOAL INDUSTRY PATENTS LTD·Filed 1981·Granted Oct 5, 1982·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →