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. 2018 Jun 25;10(7):701. doi: 10.3390/polym10070701

Table 1.

Data on hyaluronan patents resulting from the database Questel (Paris, France).

Total 13,684
Alive 8749
Dead 4935
1st application year unknown
After 2015 2717
2011–2015 4568
2006–2010 2647
2001–2005 1694
Before 2001 2058