Assignee

UHL KLAUS

DE·1 granted patent·72 citations·filing 1982–1982

Technology mixC08F1 C09K1 Y10S1

Top patents by PatentIndex Score

1 record

0188US4471097AWater soluble copolymers containing vinyl imidazole as drilling fluid additivesUHL KLAUS·Filed 1982·Granted Sep 11, 1984·72 cites·6 claims

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