Laughlin G. McCullough
48Patents
11h-index
52Co-inventors
78Inventor score
Filing activity: Dec 14, 1990 → Oct 15, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9376559B2 | Reverse staged impact copolymers | Chemistry; Metallurgy | 63 | Active |
| US6936675B2 | High tear films from hafnocene catalyzed polyethylenes | Emerging Cross-Sectional Technologies | 61 | Expired |
| US5962714A | Monocyclopentadienyl transition metal catalyst and olefin polymerization process | Emerging Cross-Sectional Technologies | 51 | Expired |
| US7179876B2 | High tear films from hafnocene catalyzed polyethylenes | Emerging Cross-Sectional Technologies | 48 | Expired |
| US8227653B2 | Olefin oligomerization reaction processes exhibiting reduced fouling | Emerging Cross-Sectional Technologies | 37 | Active |
| US7172816B2 | High tear films from hafnocene catalyzed polyethylenes | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5082956A | Isomerization of epoxyalkenes to 2,5-dihydrofurans | Performing Operations; Transporting | 30 | Expired |
| US8227371B2 | Class of olefin metathesis catalysts, methods of preparation, and processes for the use thereof | Performing Operations; Transporting | 16 | Active |
| US9068033B2 | Branched polyethylene with improved processing and high tear films made therefrom | Chemistry; Metallurgy | 16 | Active |
| US6632901B2 | Polymerization process using an improved bulky ligand metallocene-type catalyst system | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6642400B2 | Linked metallocene complexes, catalyst systems, and olefin polymerization processes using same | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6894131B2 | Polymerization process using a metallocene catalyst system | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6900154B2 | Methods of forming a supported activated catalyst composition | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7132382B2 | Polymerization process using a metallocene catalyst system | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6884748B2 | Process for producing fluorinated catalysts | Chemistry; Metallurgy | 9 | Expired |
| US5608034A | Polyether polymers derived from 3,4-epoxy-1-butene | Chemistry; Metallurgy | 9 | Expired |
| US10913808B2 | Mixed catalysts with unbridged hafnocenes with -CH2-SiMe3 moieties | Chemistry; Metallurgy | 8 | Active |
| US6100414A | Cyclopentadienyl transition metal compounds useful as polymerization catalysts | Emerging Cross-Sectional Technologies | 8 | Expired |
| US9266910B2 | Asymmetric polypropylene catalysts | Chemistry; Metallurgy | 8 | Active |
| US9809667B2 | Producing polyolefin products | Emerging Cross-Sectional Technologies | 7 | Active |
| US11274196B2 | Polyethylene compositions and films prepared therefrom | Chemistry; Metallurgy | 7 | Active |
| US7060765B2 | Low comonomer incorporating metallocene catalyst compounds | Emerging Cross-Sectional Technologies | 5 | Expired |
| US10808053B2 | Polyethylene compositions and articles made therefrom | Chemistry; Metallurgy | 5 | Active |
| US10723819B2 | Supported catalyst systems and processes for use thereof | Chemistry; Metallurgy | 5 | Active |
| US6890876B2 | Processes for producing fluorided catalysts from nitrogenous metallocenes | Chemistry; Metallurgy | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.