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US2569447A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydrogenated rosin acid soaps in butadiene-hydrocarbon aqueous emulsion polymerization

Assignee: Hercules Powder Co
•
Filing: 1944-06-17
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Granted: 1951-10-02
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Expires: 1964-06-17
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph N Borglin
  • 👤 Philip A Ray

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 17:01
CPC Classifications
C; C08; C08F; C08F36/00; C08F36/02; C08F36/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 45 words
THE PROCESS OF POLYMERIZING IN AQUEOUS EMULSTION IN THE PRESENCE OF AN ALKALI METAL SALT OF A HYDROABIETIC ACID A MONOMERIC MATERIAL CONSISTING OF A MIXTURE OF A CONGUGATED BUTADINE HYDROCARBON AND A MONOLEFINIC COMPOUND POLYMERIZABLE WITH A PEROXIDE CATALYST AND CONTAINING THE CH2=C< GROUP.
Claim 2
Dependent Claim 45 words
THE PROCESS OF POLYMERIZING IN AQUEOUS EMULSTION IN THE PRESENCE OF AN ALKALI METAL SALT OF A HYDROABIETIC ACID A MONOMERIC MATERIAL CONSISTING OF A MIXTURE OF A CONGUGATED BUTADINE HYDROCARBON AND A MONOLEFINIC COMPOUND POLYMERIZABLE WITH A PEROXIDE CATALYST AND CONTAINING THE CH2=C< GROUP.

References Cited (Backward Citations)

US2066329A Cited
US2142039A Cited
US2264173A Cited
US2327975A Cited
US2295030A Cited
US2384882A Cited
US2356091A Cited
US2407038A Cited
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US2388477A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-10-01 1955-04-02 1955-10-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-10-01 1959-04-02 1959-10-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-10-01 1963-04-02 1963-10-02 $7700.00 Window Closed / Lapsed

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