Patrick C. Hu
23Patents
6h-index
21Co-inventors
69Inventor score
Filing activity: Oct 28, 1986 → Mar 15, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5562866A | Formulated branched chain alcohol ether sulfate compounds | Chemistry; Metallurgy | 21 | Expired |
| US5487882A | "Process for preparation of zeolite ""X""" | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6010996A | Biocidal surfactant compositions and their use | Chemistry; Metallurgy | 15 | Expired |
| US4731196A | Process for making bleach activator | Chemistry; Metallurgy | 11 | Expired |
| US5256390A | Biocidal zeolite particles | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5385753A | Process for reactively coating particles | Chemistry; Metallurgy | 8 | Expired |
| US4917045A | Silicon compounds in poultry hatching | Human Necessities | 6 | Expired |
| US6357678B1 | Process for producing ultra finely-divided zeolite powder | Chemistry; Metallurgy | 6 | Expired |
| US5252345A | Zeolite compositions | Human Necessities | 5 | Expired |
| US5922669A | No-rub hard surface cleaner comprising an alcohol ethoxylate-amine oxide surfactant mixture and a nitrogenous builder in aqueous solution | Chemistry; Metallurgy | 4 | Expired |
| US5183061A | Silicon compounds in bone treatment | Chemistry; Metallurgy | 3 | Expired |
| US4870191A | Silicon containing reaction product | Chemistry; Metallurgy | 2 | Expired |
| US6221835A | High density zeolites and their production | Chemistry; Metallurgy | 1 | Expired |
| US6225475A | Enhanced production of hydrocarbyl anhydrides | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6281176A | Process for producing betaine/amine oxide mixtures | Chemistry; Metallurgy | 1 | Expired |
| US8940329B2 | High ibuprofen content granules and their preparation and their use in pharmaceutical dosage forms | Human Necessities | 1 | Active |
| US9629806B2 | High content sodium ibuprofen granules, their preparation and their use in preparing non-effervescent solid dosage forms | Human Necessities | 0 | Active |
| US9629809B2 | High content sodium ibuprofen granules, their preparation and their use in preparing non-effervescent solid dosage forms | Human Necessities | 0 | Active |
| US6035869A | Dish-washing method | Chemistry; Metallurgy | 0 | Expired |
| US6231659A | Sizing agents and starting materials for their preparation | Textiles; Paper | 0 | Expired |
| US6225437A | Sizing agents of enhanced performance capabilities | Textiles; Paper | 0 | Expired |
| US6352966B1 | Cleansing bars | Chemistry; Metallurgy | 0 | Expired |
| US10391072B2 | High content sodium ibuprofen granules, their preparation and their use in preparing non-effervescent solid dosage forms | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.