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US3352772A Expired / Lapsed US ⏱️ 0.0 years remaining

Triphenyl-arsine, -stibine, -bismuthine as photopolymerization initiators for organicmonomers

Assignee: Motors Liquidation Co
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Filing: 1964-06-25
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Granted: 1967-11-14
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Expires: 1984-06-25
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Abstract

No abstract record available.

Inventors

  • 👤 Tzu J Mao

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 15:21
CPC Classifications
C; C08; C08F; C08F2/00; C08F2/46

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 58 words
A PROCESS FOR THE PRODUCTION OF POLYMERIC MATERIAL WHICH COMPRISES IRRADIATING A POLYMERIZABLE ETHYLENICALLY UNSATURATED ORGANIC MONOMER TAKEN FROM THE GROUP CONSISTING OF METHYLSTRYENE, VINYL ACETATE, METHYL VINYL KETONE AND VINYL BUTYRATE WITH ULTRAVIOLET LIGHT IN THE PRESENCE THEREIN OF A SMALL BUT EFFECTIVE AMOUNT OF THE INITIATOR TAKEN FROM THE GROUP CONSISTING OF TRIPHENYLBISMUTHINE, TRIPHENYLSTIBINE, AND TRIPHENYLARSINE.

References Cited (Backward Citations)

US2840617A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-11-13 1971-05-15 1971-11-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-11-13 1975-05-15 1975-11-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-11-13 1979-05-15 1979-11-14 $7700.00 Window Closed / Lapsed

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