Assignee

SUNDEN BIRGITTA

SE·1 granted patent·9 citations·filing 1977–1977

Technology mixC05C1 D21H1

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1 record

0141US4183783ASemisynthetic paper structure on a urea basisSUNDEN BIRGITTA·Filed 1977·Granted Jan 15, 1980·9 cites·11 claims

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