Ronald E. MacLeay
70Patents
13h-index
12Co-inventors
81Inventor score
Filing activity: Jun 1, 1971 → May 12, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4857596A | Polymer bound antioxidant stabilizers | Chemistry; Metallurgy | 49 | Expired |
| US4857595A | Polymer bound hindered amine light stabilizers | Chemistry; Metallurgy | 43 | Expired |
| US4868246A | Polymer bound UV stabilizers | Chemistry; Metallurgy | 40 | Expired |
| US4007165A | Unsymmetrical tertiary-aliphatic azoalkanes | Chemistry; Metallurgy | 37 | Expired |
| US3993609A | Process for preparing foamed structures | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4981917A | Process for preparing polymer bound antioxidant stabilizers | Chemistry; Metallurgy | 28 | Expired |
| US3956269A | Azo free radical initiators containing ultraviolet light stabilizing groups | Chemistry; Metallurgy | 24 | Expired |
| US5096977A | Process for preparing polymer bound UV stabilizers | Chemistry; Metallurgy | 18 | Expired |
| US5013777A | Novel single-functional and mixtures of multi-functional oligomeric performance additive compositions and their uses | Chemistry; Metallurgy | 16 | Expired |
| US4863999A | Multipurpose polymer bound stabilizers | Chemistry; Metallurgy | 16 | Expired |
| US5233047A | Benzotriazole UV absorber hydrazides | Chemistry; Metallurgy | 15 | Expired |
| US4029615A | Polymeric cellular structures | Chemistry; Metallurgy | 14 | Expired |
| US4824884A | Cyclic anhydride derivatives of hydrazide functionalized hindered amine light stabilizers | Chemistry; Metallurgy | 13 | Expired |
| US4129586A | Peroxide free radical initiators containing ultraviolet light stabilizing groups | Chemistry; Metallurgy | 13 | Expired |
| US5162405A | Single-functional and mixtures of multi-functional oligomeric performance additive compositions and their uses | Chemistry; Metallurgy | 12 | Expired |
| US4866136A | Process for producing polymer bound hindered amine light stabilizers | Chemistry; Metallurgy | 12 | Expired |
| US4981915A | Multipurpose polymer bound stabilizers | Chemistry; Metallurgy | 12 | Expired |
| US4042773A | Peroxide free radical initiators containing ultraviolet light stabilizing groups | Chemistry; Metallurgy | 11 | Expired |
| US4075286A | Preparation of block polymers using polyazo sequential free radical initiators | Chemistry; Metallurgy | 10 | Expired |
| US4101464A | Process for preparing foamed solids using two or more azo compounds | Chemistry; Metallurgy | 10 | Expired |
| US4045427A | Azo-peroxide free radical initiators containing ultraviolet light stabilizing groups | Chemistry; Metallurgy | 10 | Expired |
| US4801749A | Phenolic antioxidant hydrazides | Chemistry; Metallurgy | 10 | Expired |
| US3931143A | Unsymmetrical aliphatic monoazo compounds | Chemistry; Metallurgy | 9 | Expired |
| US5318851A | Epoxy resins containing bound light stabilizing groups | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4101522A | Azo compounds containing acylating function and azo containing polymers | Chemistry; Metallurgy | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.