Rongsheng Petrochemical has a total of 479 patents globally, out of which 332 have been granted. Of these 479 patents, more than 84% patents are active. China is where Rongsheng Petrochemical has filed the maximum number of patents, followed by Japan and United States Of America. Parallelly, China seems to be the main focused R&D centre of Bharti Airtel Ltd..
Rongsheng Petrochemical was founded in the year 1995. Company deals in market of synthetic fibers and films, including fiber and film grade polyester chips, bottle grade polyester chips, polyester pre-oriented yarns, draw textured yarns, fully drawn yarns.
Do read about some of the most popular patents of Rongsheng Petrochemical which have been covered by us in this article and also you can find Rongsheng Petrochemical patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Rongsheng Petrochemical patent portfolio.
How many patents does Rongsheng Petrochemical have?
Rongsheng Petrochemical has a total of 479 patents globally. These patents belong to 472 unique patent families. Out of 479 patents, 406 patents are active.
How Many Patents did Rongsheng Petrochemical File Every Year?
Are you wondering why there is a drop in patent filing for the last two years? It is because a patent application can take up to 18 months to get published. Certainly, it doesn’t suggest a decrease in the patent filing.
| Year of Patents Filing or Grant | Rongsheng Petrochemical Applications Filed | Rongsheng Petrochemical Patents Granted |
| 2023 | – | 7 |
| 2022 | 66 | 78 |
| 2021 | 85 | 65 |
| 2020 | 86 | 23 |
| 2019 | 52 | 29 |
| 2018 | 2 | 29 |
| 2017 | 54 | 24 |
| 2016 | 33 | 27 |
| 2015 | 20 | 4 |
| 2014 | 2 | 18 |
| 2013 | 29 | 9 |
| 2012 | 6 | 13 |
| 2011 | 27 | 3 |
How many Rongsheng Petrochemical patents are Alive/Dead?
How Many Patents did Rongsheng Petrochemical File in Different Countries?
Where are Research Centres of Rongsheng Petrochemical Patents Located?
All Research Centres of Rongsheng Petrochemical Patents are Located in China.
10 Best Rongsheng Petrochemical Patents
CN102584572A is the most popular patent in the Rongsheng Petrochemical portfolio. It has received 14 citations so far from companies like East China University of Science and Technology, China Petrochemical Corporation and Sinopec Yizheng Chemical Fiber Co., Ltd.
Below is the list of 10 most cited patents of Rongsheng Petrochemical:
| Publication Number | Citation Count |
| CN102584572A | 14 |
| CN104651802A | 13 |
| CN101250257A | 13 |
| CN203212689U | 11 |
| CN101182651A | 11 |
| CN101708376A | 10 |
| CN106400198A | 9 |
| CN101935946A | 9 |
| CN203373459U | 8 |
| CN101914003A | 8 |