David Neil Marks
21Patents
8h-index
24Co-inventors
75Inventor score
Filing activity: Oct 4, 1990 → Jul 22, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6069228A | Process for preparing polyamides | Chemistry; Metallurgy | 44 | Expired |
| US6011134A | Method for manufacturing poly(hexamethylene adipamide) from monomethyladipate and hexamethylenediamine | Chemistry; Metallurgy | 29 | Expired |
| US5955569A | Method for solid phase polymerization | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5639819A | Polyamide compositions | Chemistry; Metallurgy | 20 | Expired |
| US5109104A | Preparation of polyamides from omega-aminonitriles | Chemistry; Metallurgy | 14 | Expired |
| US7592413B2 | Manufacture of aromatic polyester | Chemistry; Metallurgy | 12 | Active |
| US5185427A | Process for the production of copolyamides from amino nitrile, diamine and dicarboxylic acid | Chemistry; Metallurgy | 9 | Expired |
| US6075117A | Process for the hydrolysis of adiponitrile and the production of nylon 6,6 using dicarboxylic acids as the sole catalyst | Chemistry; Metallurgy | 8 | Expired |
| US5270437A | Process for making partially aromatic polyamides containing 2-methylpentamethylenediamine units | Chemistry; Metallurgy | 7 | Expired |
| US6437089B1 | Process for the production of nylon 6 | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6476181B1 | Increased volatile removal during solid phase processing of nylon 6 by temperature programming | Chemistry; Metallurgy | 5 | Expired |
| US5162491A | Copolyadipamide containing trimethylhexamethyleneadipamide units | Chemistry; Metallurgy | 4 | Expired |
| US8697831B2 | Process for preparing polyamides comprising fluoroether functionalized aromatic moieties | Chemistry; Metallurgy | 4 | Active |
| US6103863A | Process for preparation of polyamide from dinitrile and diamine | Chemistry; Metallurgy | 3 | Expired |
| US5185428A | Copolyadipamide containing pentamethyleneadipamide units and products prepared therefrom | Chemistry; Metallurgy | 2 | Expired |
| US6509439B1 | Process for the production of polyamides from dinitriles and diamines | Chemistry; Metallurgy | 2 | Expired |
| US5110900A | Copolyadipamide containing ethyltetramethyleneadipamide units | Chemistry; Metallurgy | 1 | Expired |
| US6084056A | Process for the hydrolysis of adiponitrile and the production of nylon 6,6 utilizing low catalyst levels | Chemistry; Metallurgy | 1 | Expired |
| US8247519B1 | Shaped articles fabricated from polyamides comprising fluoroether functionalized aromatic moieties | Emerging Cross-Sectional Technologies | 0 | Active |
| US9228056B2 | Polymers derived from renewably resourced lysinol | Chemistry; Metallurgy | 0 | Active |
| US5292857A | Preparation of nylon 66 polymers from 1,8-diazacyclotetradecane-2,7-dione | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.