Kejia Xu

This inventor holds 8 USPTO granted patents and 1 EPO patent. Top assignees: Cofco (Jilin) Bio-Chemical Technology Co., Ltd, Cofco Biotechnology Co., Ltd., Nutrition & Health Research Institute, Cofco Corporation. Active years: 2006-2021.

USPTO Granted Patents = 8

% Patents Active = 100.0

EPO Patents = 1

Average Co-Inventor Count = 8.7

ph-index = 2

Forward Citations = 10(Granted Patents)

Company Filing History:

5 out of 10

Cofco (Jilin) Bio-Chemical Technology Co., Ltd

patents

5 out of 8

Cofco Biotechnology Co., Ltd.

patents

4 out of 9

Nutrition & Health Research Institute, Cofco Corporation

patents

4. 3 out of 674

China Petroleum Chemical Corporation

patents

5. 3 out of 5

Jilin Cofco Biomaterial Co., Ltd

patents

6. 3 out of 210

Research Institute of Petroleum Processing, Sinopec

where one patent can have more than one assignee

Years Active: 2006-2021

Loading Chart...

8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11203663 - Method for separating PHA and PHA prepared therefrom (2021-12-21),

2. 11155483 - Method for efficiently producing PHA (2021-10-26),

3. 11130259 - Device and method for online preparation of modified polylactic acid material with polylactic acid melt (2021-09-28),

4. 11110427 - Polylactic acid polymerization reaction apparatus and system (2021-09-07),

5. 11097248 - Polylactic acid devolatilization evaporator (2021-08-24),

6. 10544372 - Distillation tower for improving yield of petroleum hydrocarbon distillate and feeding method thereof (2020-01-28),

7. 8088335 - Catalytic conversion apparatus (2012-01-03),

8. 7153478 - Downflow catalytic cracking reactor and its application (2006-12-26),

Title: Kejia Xu: Innovator in PHA Production

Introduction

Kejia Xu is a prominent inventor based in Beijing, China, known for his significant contributions to the field of biochemical technology. He holds a total of 8 patents, showcasing his innovative approaches to producing polyhydroxyalkanoates (PHA), a type of biodegradable plastic.

Latest Patents

Kejia Xu's latest patents include a method for separating PHA and a method for efficiently producing PHA. The method for separating PHA involves subjecting a PHA fermentation broth to solid-liquid separation to obtain a thallus precipitate. This process includes breaking the cell walls of the thallus precipitate and using plate and frame filtration to obtain PHA. The pre-coating of the filter cloth with a PHA layer enhances the efficiency of the separation process, overcoming the challenges associated with traditional centrifugal methods. His method for efficiently producing PHA utilizes PHA process wastewater as part of the fermentation medium, allowing for cost reduction and large-scale industrial production.

Career Highlights

Kejia Xu has worked with notable companies such as Cofco (Jilin) Bio-Chemical Technology Co., Ltd. and Cofco Biotechnology Co., Ltd. His work in these organizations has contributed to advancements in the production and application of bioplastics.

Collaborations

Kejia has collaborated with professionals like Yi Tong and Wei Lin, who have played a role in his research and development efforts.

Conclusion

Kejia Xu's innovative methods in PHA production highlight his expertise and commitment to advancing sustainable materials. His contributions are paving the way for more efficient and environmentally friendly production processes.