Growing community of inventors

Houston, TX, United States of America

Main Chang

Average Co-Inventor Count = 1.17

ph-index = 17

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 1,298

Main ChangZhidong Zhu (5 patents)Main ChangWeiqing Weng (3 patents)Main ChangArmenag Hagop Dekmezian (3 patents)Main ChangPalanisamy Arjunan (3 patents)Main ChangOlivier Jean Georjon (3 patents)Main ChangAspy Keki Mehta (2 patents)Main ChangChon-Yie Lin (2 patents)Main ChangPawan Kumar Agarwal (2 patents)Main ChangGalen Charles Richeson (2 patents)Main ChangRajan K Chudgar (2 patents)Main ChangEric John Markel (1 patent)Main ChangThomas Garoff (1 patent)Main ChangVladimir P Marin (1 patent)Main ChangBinh Thanh Nguyen (1 patent)Main ChangAhmed Hintolay (1 patent)Main ChangMichael C Chen (1 patent)Main ChangChristopher R Davey (1 patent)Main ChangNeil J O'Reilly (1 patent)Main ChangChristopher J Aarons (1 patent)Main ChangChristopher Aarons (0 patent)Main ChangMain Chang (46 patents)Zhidong ZhuZhidong Zhu (5 patents)Weiqing WengWeiqing Weng (43 patents)Armenag Hagop DekmezianArmenag Hagop Dekmezian (41 patents)Palanisamy ArjunanPalanisamy Arjunan (29 patents)Olivier Jean GeorjonOlivier Jean Georjon (5 patents)Aspy Keki MehtaAspy Keki Mehta (59 patents)Chon-Yie LinChon-Yie Lin (26 patents)Pawan Kumar AgarwalPawan Kumar Agarwal (17 patents)Galen Charles RichesonGalen Charles Richeson (16 patents)Rajan K ChudgarRajan K Chudgar (6 patents)Eric John MarkelEric John Markel (39 patents)Thomas GaroffThomas Garoff (37 patents)Vladimir P MarinVladimir P Marin (29 patents)Binh Thanh NguyenBinh Thanh Nguyen (9 patents)Ahmed HintolayAhmed Hintolay (8 patents)Michael C ChenMichael C Chen (7 patents)Christopher R DaveyChristopher R Davey (6 patents)Neil J O'ReillyNeil J O'Reilly (3 patents)Christopher J AaronsChristopher J Aarons (1 patent)Christopher AaronsChristopher Aarons (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Exxon Chemical Patents, Inc. (20 from 1,415 patents)

2. Basf Corporation (10 from 2,033 patents)

3. Exxonmobil Chemical Patents Inc. (4 from 3,268 patents)

4. W. R. Grace Co.-conn. (4 from 1,391 patents)

5. Basf Catalysts LLC (3 from 77 patents)

6. Engelhard Corporation (2 from 623 patents)

7. Univation Technologies, LLC (2 from 518 patents)

8. Other (1 from 832,680 patents)

9. Braskem America, Inc. (72 patents)


46 patents:

1. 10144790 - Internal donor structure for olefin polymerization catalysts and methods of making and using same

2. 9738736 - Combined internal donor system for Ziegler-Natta polyolefin catalysts and methods of making and using same

3. 9567410 - Internal donor structure for olefin polymerization catalysts and methods of making and using same

4. 9562119 - Ethylene polymerization catalysts

5. 9284392 - Mixed internal donor structures for 1-olefin polymerization catalysts

6. 9217047 - Internal donor structure for olefin polymerization catalysts and methods of making and using same

7. 8933180 - Internal and external donor compounds for olefin polymerization catalysts IV

8. 8765626 - Internal donor structure for olefin polymerization catalysts and methods of making and using same

9. 8569195 - Internal and external donor compounds for olefin polymerization catalysts II

10. 8318626 - Internal and external donor compounds for olefin polymerization catalysts III

11. 8227370 - High activity catalyst component for olefin polymerization and method of using the same

12. 8211819 - Internal and external donor compounds for olefin polymerization catalysts

13. 8003559 - Internal donor for olefin polymerization catalysts

14. 8003558 - Internal donor for olefin polymerization catalysts

15. 7700513 - Supported catalyst for olefin polymerization

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as of
12/8/2025
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