Inventor · disambiguated record
Norman Alfred Smith
Also filed as: SMITH NORMAN · SMITH NORMAN A · SMITH NORMAN ALFRED
13 granted patents·241 citations·filing 1973–1984
90Inventor score
Top patents by PatentIndex Score
13 records- 0197US4268134ALightweight laminated photochromic lensesCORNING GLASS WORKS·Filed 1979·Granted May 19, 1981·174 cites·8 claims
- 0274US4526908APolyol blends of phthalate/trimellitate esters for polyurethane-polyisocyanurate foamsSTEPAN CO·Filed 1984·Granted Jul 2, 1985·27 cites·13 claims
- 0371US4104302AVinylsulphone hardenersCIBA GEIGY AG·Filed 1976·Granted Aug 1, 1978·8 cites·4 claims
- 0462US4446216APhotographic materialSMITH NORMAN A·Filed 1982·Granted May 1, 1984·10 cites·11 claims
- 0553US4043995AProcess for crosslinking hydrophilic colloidsCIBA GEIGY AG·Filed 1975·Granted Aug 23, 1977·5 cites·12 claims
- 0649US4076538AProcess for crosslinking hydrophilic colloids with triazine compoundsCIBA GEIGY AG·Filed 1975·Granted Feb 28, 1978·8 cites·11 claims
- 0745US3951940AMethod of producing a hardened gelatin layer using aqueous solution of a 2-halogeno pyridinium compoundCIBA GEIGY AG·Filed 1974·Granted Apr 20, 1976·4 cites·8 claims
- 0843US4088648ABis 1,4-(b-vinylso2 -propionyl)-piperazineCIBA GEIGY AG·Filed 1976·Granted May 9, 1978·1 cites·1 claims
- 0941US4120898ASulfur containing vinyl amide cross-linking agentsCIBA GEIGY AG·Filed 1977·Granted Oct 17, 1978·1 cites·3 claims
- 1037US4560646AProtected developing agentsCIBA GEIGY AG·Filed 1984·Granted Dec 24, 1985·1 cites·2 claims
- 1136US4014862AProduction of hardened gelatin layers by the addition of quaternary carbamoyl pyridinium compoundsILFORD LTD·Filed 1973·Granted Mar 29, 1977·1 cites·5 claims
- 1233US4540785ASubstituted hydroquinonesCIBA GEIGY AG·Filed 1983·Granted Sep 10, 1985·0 cites·3 claims
- 1333US4134765AVinylsulphone hardenerCIBA GEIGY AG·Filed 1978·Granted Jan 16, 1979·1 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →