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US2654679A Expired / Lapsed US ⏱️ 0.0 years remaining

Stabilized reaction products of rubbery polymers with inorganic acidifying compounds

Assignee: Shell Development Co
•
Filing: 1949-04-26
•
Granted: 1953-10-06
•
Expires: 1969-04-26
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Abstract

No abstract record available.

Inventors

  • 👤 Goppel Johan Michael
  • 👤 Rumscheidt Gottfried Ernst
  • 👤 Hackmann Johannes Thomas

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 08:52
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/12; D06M13/127; D01; D01F; D01F6/00; D01F6/02; D01F6/24; D06M13/322; D06M13/35; D06M13/355; D06M13/358; D06M13/402; D06M13/432; D06M15/00; D06M15/693

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 183 words
A NOVEL STABILIZED COMPOSITION OF MATTER COMPRISING A REACTION PRODUCT OF A RUBBERY POLYMER OF AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE CONJUGATED DIOLEFINS AND CHLOROPRENE IN THE PRESENCE OF A PEROXIDE ACTIVATING AGENT AND SULFUR DIOXIDE, THESE BEING THE ONLY REACTANTS, WHICH COMPOSITION OF MATTER IS PREPARED BY IMPREGNATING SAID REACTION PRODUCT, WHILE IT IS IN COAGULATED STATE, HAVING A DEFINITE FORM AND SWOLLEN WITH SOLVENT, WITH A SOLUTION OF AT LEAST ONE STABILIZER COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) SATURATED, UNSUBSTITUTED ALIPHATIC MONOAMINES; (2) CARBOCYCLIC AROMATIC AMINES IN WHICH THE AMINO NITROGEN ATOM IS DIRECTLY ATTACHED TO THE ARYL NUCLEUS AND IN WHICH THE AMINO NITROGEN ATOM IS UNSUBSTITUTED WITH OTHER THAN SUCH ARYL GROUPS; (3) HETEROCYCLIC AMINES HAVING ONLY CARBON AND NITROGEN ATOMS IN THE RING; AND (4) SALTS OF SAID AMINES, IN ALL CASES THE AMINES CONTAINING BUT A SINGLE NITROGEN ATOM ATTACHED TO ANY GIVEN CARBON ATOM NOT FORMING A PART OF A RING, AND REMOVING SAID SOLVENT, AND SAID STABILIZED COMPOSITION OF MATTER BEING CHARACTERIZED BY A HIGH RESISTANCE TO DETERIORATION.
Claim 2
Dependent Claim 183 words
A NOVEL STABILIZED COMPOSITION OF MATTER COMPRISING A REACTION PRODUCT OF A RUBBERY POLYMER OF AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE CONJUGATED DIOLEFINS AND CHLOROPRENE IN THE PRESENCE OF A PEROXIDE ACTIVATING AGENT AND SULFUR DIOXIDE, THESE BEING THE ONLY REACTANTS, WHICH COMPOSITION OF MATTER IS PREPARED BY IMPREGNATING SAID REACTION PRODUCT, WHILE IT IS IN COAGULATED STATE, HAVING A DEFINITE FORM AND SWOLLEN WITH SOLVENT, WITH A SOLUTION OF AT LEAST ONE STABILIZER COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) SATURATED, UNSUBSTITUTED ALIPHATIC MONOAMINES; (2) CARBOCYCLIC AROMATIC AMINES IN WHICH THE AMINO NITROGEN ATOM IS DIRECTLY ATTACHED TO THE ARYL NUCLEUS AND IN WHICH THE AMINO NITROGEN ATOM IS UNSUBSTITUTED WITH OTHER THAN SUCH ARYL GROUPS; (3) HETEROCYCLIC AMINES HAVING ONLY CARBON AND NITROGEN ATOMS IN THE RING; AND (4) SALTS OF SAID AMINES, IN ALL CASES THE AMINES CONTAINING BUT A SINGLE NITROGEN ATOM ATTACHED TO ANY GIVEN CARBON ATOM NOT FORMING A PART OF A RING, AND REMOVING SAID SOLVENT, AND SAID STABILIZED COMPOSITION OF MATTER BEING CHARACTERIZED BY A HIGH RESISTANCE TO DETERIORATION.

References Cited (Backward Citations)

US2302362A Cited
US2379354A Cited
US2469847A Cited
US2396556A Cited
GB575736A Cited
US2511498A Cited
US2403960A Cited
US2439610A Cited
GB593036A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-10-05 1957-04-06 1957-10-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-10-05 1961-04-06 1961-10-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-10-05 1965-04-06 1965-10-06 $7700.00 Window Closed / Lapsed

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