Inventor · Allentown, PA, US

Nathan D. Field

11Patents
6h-index
11Co-inventors
59Inventor score

Filing activity: Apr 2, 1970 → Jun 9, 1987

Most-cited inventions

PatentTitleAreaCited byStatus
US4563508A Injection moldable aromatic polyesters compositions and method of preparation Chemistry; Metallurgy 39 Expired
US3985540A Metal complexes of hydroxyquinoline and polymeric porous granules Emerging Cross-Sectional Technologies 31 Expired
US3954682A Insoluble porous polymeric-phenolic complexes Emerging Cross-Sectional Technologies 25 Expired
US4091819A Padded brassieres Human Necessities 23 Expired
US4200736A Preparation of water-insoluble carboxymethyl cellulose absorbents Human Necessities 11 Expired
US4200737A Preparation of water-insoluble carboxymethyl cellulose absorbents Chemistry; Metallurgy 7 Expired
US4575376A Method for increasing the absorbency of cellulosic fibers Emerging Cross-Sectional Technologies 5 Expired
USRE31323E Preparation of water-insoluble carboxymethyl cellulose absorbents General 3 Expired
US3970606A N-vinyl lactam interpolymers useful as thickening agents Emerging Cross-Sectional Technologies 3 Expired
US4058462A System for sustained release of phenolic material from porous granules of insoluble polymeric phenolic complexes Human Necessities 3 Expired
US4851480A Extrusion-grade compositions comprising mixtures of wholly aromatic polyesters Chemistry; Metallurgy 2 Expired

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