Inventor · Iowa City, IA, US

Ronald D. Schoenwald

30Patents
9h-index
5Co-inventors
64Inventor score

Filing activity: May 9, 1979 → Oct 31, 1996

Most-cited inventions

PatentTitleAreaCited byStatus
US4271143A Sustained release ophthalmic drug dosage Human Necessities 62 Expired
US5104887A Topical ophthalmic imino substituted 2-imino-3-methyl-delta4-1,3,4-thiadiazoline-5-sulfonamides carbonic anhydrase inhibitors Chemistry; Metallurgy 60 Expired
US4407792A Sustained release ophthalmic drug dosage Human Necessities 45 Expired
US4738851A Controlled release ophthalmic gel formulation Human Necessities 38 Expired
US5179124A Anti-inflammatory for use in external and internal eye inflammations Human Necessities 24 Expired
US4820737A Lacrimal secretion stimulant (lss) Human Necessities 16 Expired
US5095026A Prodrugs of carbonic anhydrase inhibitors Emerging Cross-Sectional Technologies 11 Expired
US5157044A Analogs of carbonic anhydrase inhibitors and their use as topical IOP inhibitors Chemistry; Metallurgy 10 Expired
US4636515A Non-classical topical treatment for glaucoma Human Necessities 9 Expired
US4483864A Non-classical topical treatment for glaucoma Human Necessities 9 Expired
US5225424A Methazolamide-derived carbonic anhydrase inhibitors Human Necessities 8 Expired
US5322859A Antiglaucoma drug composition and method Human Necessities 8 Expired
US5565434A Hexose and pentose prodrugs of ethacrynic acid Human Necessities 6 Expired
US4483872A Non-classical topical treatment for glaucoma using n-substituted sulfonamides Human Necessities 6 Expired
US4705798A Phenylephrine prodrug useful as mydriatic agent Chemistry; Metallurgy 5 Expired
US5387614A Use of sigma receptor ligands as salivary gland stimulants Human Necessities 5 Expired
US4629738A Non-classical topical treatment for glaucoma Human Necessities 5 Expired
US4975448A 6-amino-2-benzothiazolesulfonamide and topical treatment compositions and method for glaucoma Chemistry; Metallurgy 4 Expired
US4975447A 6-hydroxyethoxy-2-benzothiazolesulfonamide and topical treatment compositions and method for glaucoma Chemistry; Metallurgy 4 Expired
US4879294A Opthalmic composition Human Necessities 3 Expired
US4968718A Topically effective, nonsteroidal drug for use in external and internal eye inflammations Human Necessities 2 Expired
US4866083A 2-t-butyl-3 alkyl-5-(m-hydroxyphenyl)-1,3-oxazolidines having mydriatic effect Chemistry; Metallurgy 2 Expired
US4623664A Oil suspended phenylephrine Human Necessities 2 Expired
US5382576A 1-aza-1-arylcycloalkanes as topical glaucoma treatment agents Human Necessities 2 Expired
US5654335A Topical use of ethyl ethacrynate for glaucoma treatment Human Necessities 2 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.