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US3087899A Expired / Lapsed US ⏱️ 0.0 years remaining

Process of stabilizing a rubber latex with a polyalkylene ether/polyalkylene thioether

Assignee: Bayer AG
•
Filing: 1959-08-04
•
Granted: 1963-04-30
•
Expires: 1979-08-04
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Abstract

No abstract record available.

Inventors

  • 👤 Esser Heinz
  • 👤 Sinn Gustav
  • 👤 Brachel Hanswilli Von

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 11:57
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0061; C08G; C08G65/00; C08G65/34; C08G75/00; C08G75/02; C08G75/0204; C08G75/0245; C08G75/12; C08J2321/00; C08J2481/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 31 words
IN A PROCESS OF STABILIZING A RUBBER LATEX FOAM, THE IMPROVEMENT COMPRISING INCORPORATING INTO SAID FOAM AS A STABILIZING AGENT A POLYALKYLENE ETHER/POLYALKYLENE THIOETHER HAVING A MOLECULAR WEIGHT OF ABOUT 500-100,000.
Claim 2
Dependent Claim 31 words
IN A PROCESS OF STABILIZING A RUBBER LATEX FOAM, THE IMPROVEMENT COMPRISING INCORPORATING INTO SAID FOAM AS A STABILIZING AGENT A POLYALKYLENE ETHER/POLYALKYLENE THIOETHER HAVING A MOLECULAR WEIGHT OF ABOUT 500-100,000.

References Cited (Backward Citations)

GB643456A Cited
GB749339A Cited
US2809173A Cited
US2900368A Cited
US2905720A Cited
US2905721A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-04-29 1966-10-29 1967-04-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-04-29 1970-10-29 1971-04-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-04-29 1974-10-29 1975-04-30 $7700.00 Window Closed / Lapsed

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