Inventor · Newtown, PA, US

Karnail Atwal

65Patents
20h-index
38Co-inventors
88Inventor score

Filing activity: Aug 5, 1985 → Aug 22, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US5547966A Aryl urea and related compounds Chemistry; Metallurgy 65 Expired
US7157451B2 Heterocyclic dihydropyrimidine compounds Human Necessities 59 Expired
US6916813B2 (1-phenyl-2-heteoaryl)ethyl-guanidine compounds as inhibitors of mitochondrial F1F0 ATP hydrolase Chemistry; Metallurgy 57 Expired
US6150356A Potassium channel inhibitors and method Chemistry; Metallurgy 47 Expired
US5470975A Dihydropyrimidine derivatives Chemistry; Metallurgy 37 Expired
US6262068A Lactam derivatives as antiarrhythmic agents Chemistry; Metallurgy 37 Expired
US6511977B1 Potassium channel inhibitors and method Chemistry; Metallurgy 33 Expired
US6664250B2 Lactam derivatives as antiarrhythmic agents Chemistry; Metallurgy 31 Expired
US6706720B2 Heterocyclic dihydropyrimidine compounds Human Necessities 29 Expired
US4684656A 1,2,3,4-tetrahydro-6-substituted-4-aryl-3-(substituted sulfonyl)-2-thioxo(or oxo)-5-pyrimidinecarboxylic acids and esters and method of using them to lower blood pressure Chemistry; Metallurgy 28 Expired
US5374643A Aryl urea (thiourea) and cyanoguanidine derivatives Chemistry; Metallurgy 28 Expired
US5140031A Pyranyl cyanoguanidine derivatives Chemistry; Metallurgy 27 Expired
US5202330A 2-thio or oxo-4-aryl or heterocyclo-1,5(2H)-pyrimidinedicarboxylic acid diesters and 3-acyl-5-pyrimidinecarboxylic acids and esters Chemistry; Metallurgy 27 Expired
US5401758A Pyridinyl cyanoguanidine compounds Chemistry; Metallurgy 26 Expired
US4855301A 1,2,3,4-Tetrahydro-6-substituted-4-aryl(or heterocyclo)-3-((substituted amino)carbonyl)-2-thioxo (or oxo)-5-pyrimidinecarboxylic acids and esters Chemistry; Metallurgy 26 Expired
US5234923A Substitute indole and benzimidazole derivatives Chemistry; Metallurgy 23 Expired
US5006523A Antiarrhythmic agents: aryl cyanoguanidine potassium channel blockers Chemistry; Metallurgy 22 Expired
US6887870B1 Heterocyclic sodium/proton exchange inhibitors and method Chemistry; Metallurgy 21 Expired
US5869478A Sulfonamido substituted benzopyran derivatives Chemistry; Metallurgy 21 Expired
US5401848A Indane and quinoline derivatives Chemistry; Metallurgy 21 Expired
US6624309B1 Benzoic acid derivatives and related compounds as antiarrhythmic agents Chemistry; Metallurgy 20 Expired
US5011837A Aryl cyanoguanidines: potassium channel activators and method of making same Chemistry; Metallurgy 19 Expired
US4728652A 2-substituted thio or oxy-4-aryl or heterocyclo-5-carboxy-1,4-dihydropyrimidines, composition containing them, and method of using them to reduce blood pressure Chemistry; Metallurgy 18 Expired
US5276168A Benzopyran derivatives and heterocyclic analogs thereof as antiischemic agents Chemistry; Metallurgy 17 Expired
US4769371A Dihydropyrimidine carboxylic acid esters Chemistry; Metallurgy 15 Expired

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