Inventor · Leucadia, CA, US

John S. Porter

15Patents
11h-index
9Co-inventors
61Inventor score

Filing activity: Oct 24, 1983 → Oct 7, 1996

Most-cited inventions

PatentTitleAreaCited byStatus
US5506207A GNRH antagonists XIII Human Necessities 54 Expired
US4569967A Synthesis of N-substituted peptide amides Chemistry; Metallurgy 51 Expired
US5296468A GnRH analogs Emerging Cross-Sectional Technologies 44 Expired
US5352796A Amino acids useful in making GnRH analogs Emerging Cross-Sectional Technologies 33 Expired
US5371070A Bicyclic GnRH antagonists and a method for regulating the secretion of gonadotropins Human Necessities 33 Expired
US5169932A GnRH analogs Emerging Cross-Sectional Technologies 28 Expired
US6747125B1 Peptides intermediates for making GnRH antagonists Emerging Cross-Sectional Technologies 25 Expired
US5744450A GnRH analogs Emerging Cross-Sectional Technologies 17 Expired
US5580957A GnRH analogs Chemistry; Metallurgy 16 Expired
US5710249A Amino acids and processes for making peptides using same Emerging Cross-Sectional Technologies 14 Expired
US5681928A Betides and methods for screening peptides using same Chemistry; Metallurgy 14 Expired
US5169935A Method of making peptides Emerging Cross-Sectional Technologies 10 Expired
US4701499A Synthesis of N-substituted peptide amides Emerging Cross-Sectional Technologies 7 Expired
US5565574A Preparation of phenylalanine derivatives bearing a 1,2,4-triazole moiety and their use in peptides Emerging Cross-Sectional Technologies 5 Expired
US5807986A Methods of making and screening betide libraries Human Necessities 2 Expired

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