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US3756997A Expired / Lapsed US ⏱️ 0.0 years remaining

Thermoplastic compositions

Assignee: Huels AG
•
Filing: 1971-01-21
•
Granted: 1973-09-04
•
Expires: 1991-01-21
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Abstract

Abstract CRYSTALLINE POLYOLEFIN AND POLYAMIDE COMPOSITIONS NUCLEATED WITH SULFONIC ACIDS AND SALTS THEREOF OF THE FORMULA (R)N,Y2,Y3,(Y1)0,(X-SO2)M-BENZENE WHEREIN X IS-OH,-OME OR-NHY'' IN WHICH ME IS AN EQUIVALENT OF A METAL, PREFERABLY ALKALI METAL, AND R'' IS ARYL, PREFERABLY PHENYL, OR HYDROGEN; M IS 1 TO 2; R IS ALKYL OF 1-4 CARBON ATOMS, PHENYL OR HYDROGEN; N IS 0 TO 2; Y1 IS AMINO ALKYLAMINO OR ARYLAMINO; 0 IS 1 TO 2; Y2 IS-OH OR-OME IN WHICH ME IS HAS THE VALUE GIVEN ABOVE, HALO OR HYDROGEN, AND Y3 IS A NITRO, CRABOXYL, OR CARBOXYLATE GROUP, OR HYDROGEN, HAVE LOWERED CRYSTALLIZATION HALF-TIMES AND A MORE UNIFORM SPHERULITE STRUCTURE, WHICH RESULTS IN MORE RAPID MOLD RELEASE DURING CYCLIC OPERATING PROCEDURES; IMPROVED MECHANICAL PROPERTIES; AND IMPROVING TRANSPARENCY.

Inventors

  • 👤 U Eichers
  • 👤 O Hahmann
  • 👤 H Meyer
  • 👤 K Rombusch
  • 👤 M Rossbach

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 03:03
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/41; C08K5/42; Y; Y10; Y10S; Y10S260/00; Y10S260/35

Claims Analysis

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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-09-03 1977-03-05 1977-09-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-09-03 1981-03-05 1981-09-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-09-03 1985-03-05 1985-09-04 $7700.00 Window Closed / Lapsed

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