Grain Processing Corporation
138Patents
36Active
138Granted
50Portfolio score
Filing activity: Jan 29, 1973 → Oct 13, 2021 · 13 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4467012A | Composition for absorbent film and method of preparation | Emerging Cross-Sectional Technologies | 117 | Expired |
| US4260443A | Laminated absorbent process | Emerging Cross-Sectional Technologies | 98 | Expired |
| US3966971A | Separation of protein from vegetable sources | Human Necessities | 72 | Expired |
| US4412036A | Composition for absorbent film and method and preparation | Emerging Cross-Sectional Technologies | 59 | Expired |
| US5354559A | Encapsulation with starch hydrolyzate acid esters | Human Necessities | 55 | Expired |
| US4558091A | Method for preparing aluminum and polyhydric alcohol modified liquid absorbing composition | Chemistry; Metallurgy | 50 | Expired |
| US4536408A | Low fat spread | Emerging Cross-Sectional Technologies | 36 | Expired |
| US6416684B1 | Anti-freezing and deicing composition and method | Chemistry; Metallurgy | 36 | Expired |
| US4279658A | Chemical-mechanical starch conversion | Chemistry; Metallurgy | 31 | Expired |
| US6098569A | Animal litter, process for preparing animal litter, and method for removal of animal waste | Human Necessities | 27 | Expired |
| US7070709B2 | Dust suppressant and soil stabilization composition | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6216634A | Animal litter, process for preparing animal litter, and method for removal of animal waste | Human Necessities | 24 | Expired |
| US6828310B2 | Compositions including reduced malto-oligosaccharide preserving agents, and methods for preserving a material | Human Necessities | 24 | Expired |
| US7757638B2 | Animal litter, process for preparing animal litter, and method of removal of animal waste | Human Necessities | 24 | Active |
| US7514018B2 | Dust suppressant and soil stabilization composition | Emerging Cross-Sectional Technologies | 23 | Active |
| US4799964A | Preparation of filler compositions for paper | Textiles; Paper | 22 | Expired |
| US4517022A | Starch production from corn | Chemistry; Metallurgy | 21 | Expired |
| US6405677B2 | Animal litter, process for preparing animal litter, and method for removal of animal waste | Human Necessities | 21 | Expired |
| US4298400A | Low D.E. starch conversion products | Chemistry; Metallurgy | 20 | Expired |
| US4540663A | Liquefaction of starch | Chemistry; Metallurgy | 19 | Expired |
| US4163010A | Isolation of proteinaceous materials | Human Necessities | 19 | Expired |
| US6868802B2 | Animal litter, process for preparing animal litter, and method of removal of animal waste | Human Necessities | 18 | Expired |
| US6387171B1 | Concrete compositions and methods for the preparation thereof | Chemistry; Metallurgy | 17 | Expired |
| US4579944A | Derivatization of starch | Chemistry; Metallurgy | 17 | Expired |
| US4090604A | Cover construction | Performing Operations; Transporting | 16 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.