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US3359243A Expired / Lapsed US ⏱️ 0.0 years remaining

Linear polyurea elastomers

Assignee: Monsanto Co
•
Filing: 1964-12-15
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Granted: 1967-12-19
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Expires: 1984-12-15
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Abstract

No abstract record available.

Inventors

  • 👤 Gaspard X Criner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 19:05
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/48; C08G18/50; C08G18/5021; C08G18/5024; C08G18/08; C08G18/10; Y; Y10; Y10S; Y10S528/00; Y10S528/906

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 18 words
A SYNTHETIC, FIBER-FORMING, LINEAR, POLYUREA ELASTOMER CONSISTING ESSENTIALLY OF A PLURALITY OF INTRA-LINEAR STRUCTURAL UNITS HAVING THE FORMULA
Claim 2
Dependent Claim 18 words
A SYNTHETIC, FIBER-FORMING, LINEAR, POLYUREA ELASTOMER CONSISTING ESSENTIALLY OF A PLURALITY OF INTRA-LINEAR STRUCTURAL UNITS HAVING THE FORMULA
Claim 3
Dependent Claim 20 words
A PROCESS FOR PRODUCING A SYNTHETIC FIBER-FORMING LINEAR POLYUREA ELASTOMER WHICH COMPRISES REACTING A POLY(OXYALKYLENE) DIAMINE REPRESENTED BY THE FORMULA
Claim 4
Dependent Claim 20 words
A PROCESS FOR PRODUCING A SYNTHETIC FIBER-FORMING LINEAR POLYUREA ELASTOMER WHICH COMPRISES REACTING A POLY(OXYALKYLENE) DIAMINE REPRESENTED BY THE FORMULA

References Cited (Backward Citations)

US3044989A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-12-18 1971-06-19 1971-12-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-12-18 1975-06-19 1975-12-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-12-18 1979-06-19 1979-12-19 $7700.00 Window Closed / Lapsed

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