Database | Keywords | Record Count |
PATENT SCOPE | EN_TI:(“xanthan gum* drilling fluid” or “gum xanthan* drilling fluid”) OR EN_AB:(“xanthan gum* drilling fluid” or “gum xanthan* drilling fluid”) | 69 |
USPTO | (TTL/(xanthan AND gum) AND drilling) AND fluid) OR ABST/(((xanthan AND gum) AND drilling) AND fluid)) | 9 |
ESPACENET | “xanthan gum drilling fluid*” or “gum xanthan drilling fluid*” in the title or abstract | 69 |
DERWENT | Topic = (“drilling fluid* xanthan”) OR Topic = (“fluid drilling* xanthan”) OR Topic = (“xanthan* drilling fluid”) OR Topic = (“xanthan* fluid drilling”) Databases = CDerwent, EDerwent, MDerwent Timespan = All years | 366 |
INPI | Title: xantana and fluido and perfuração* Abstract: xantana and fluido and perfuração* | 1 |