Inventor · Bracknell, GB

Ian Malcolm Shirley

23Patents
9h-index
41Co-inventors
75Inventor score

Filing activity: Oct 6, 1982 → Aug 17, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US6485736B1 Variable release microcapsules Human Necessities 30 Expired
US6514439B2 Acid-triggered microcapsules Emerging Cross-Sectional Technologies 23 Expired
US4618454A Conducting polymers Chemistry; Metallurgy 17 Expired
US6955823B2 Process for making microcapsules involving phase inversion Emerging Cross-Sectional Technologies 17 Expired
US6544540B2 Base-triggered release microcapsules Emerging Cross-Sectional Technologies 17 Expired
US7199185B2 Use of reactive polymeric surfactants in the formation of emulsions Emerging Cross-Sectional Technologies 12 Expired
US8173159B2 Microcapsules Human Necessities 11 Expired
US4548737A Conducting polymers Chemistry; Metallurgy 11 Expired
US6337130B1 Acid-triggered release microcapsules Emerging Cross-Sectional Technologies 11 Expired
US4849504A Polymers with vinylic units and aromatic units Emerging Cross-Sectional Technologies 8 Expired
US4476296A Preparation of aromatic polymers from cyclohexa-3,5-diene polymers Emerging Cross-Sectional Technologies 7 Expired
US6419942B1 Dry water-dispersible compositions of microencapsulated pesticides Human Necessities 6 Expired
US6649311B1 Color changing composition and coloring polymeric articles made therefrom Emerging Cross-Sectional Technologies 4 Expired
US8828902B2 Microencapsulated catalyst methods of preparation and method of use thereof Emerging Cross-Sectional Technologies 3 Expired
US4536555A Preparation of aromatic polymers from cyclohexa-3,5-diene polymers Emerging Cross-Sectional Technologies 3 Expired
US4524198A Poly(1,2-disubstituted cyclohexa-3,5-dienes Emerging Cross-Sectional Technologies 2 Expired
US4798742A Polyaromatics Chemistry; Metallurgy 2 Expired
US5169983A Perfluorinated intermediates which are useful in the production of organic polymeric materials and ion-exchange membrane Emerging Cross-Sectional Technologies 2 Expired
US5001163A Organic polymeric material and ion-exchange membrane with pendant carbocyclic exchanging groups produced Emerging Cross-Sectional Technologies 1 Expired
US6555122B2 Dry water-dispersible compositions of microencapsulated pesticides Human Necessities 1 Expired
US9204630B2 Capsule formulation Human Necessities 0 Active
US4791028A Polymer coatings Emerging Cross-Sectional Technologies 0 Expired
US10342229B2 Aqueous coating compositions Human Necessities 0 Active

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