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US3844987A Expired / Lapsed US ⏱️ 0.0 years remaining

Contour adapted passenger loading ramp biodegradable transplanter containers

Assignee: Union Carbide Corp
•
Filing: 1972-07-28
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Granted: 1974-10-29
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Expires: 1992-07-28
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Abstract

Abstract WHERE X IS AN INTEGER HAVING A VALUE OF 2 TO 7, WITH THE PROVISO THAT X DOES NOT EQUAL 3; AND (II) FROM ABOUT 5 TO ABOUT 95 WEIGHT PERCENT OF NATURALLY OCCURING BIODEGRADABLE PRODUCT, BASED ON THE WEIGHT OF SAID CONTAINER; AND (B) A MEDIUM TO GERMINATE AND GROW SEEDS OR SEEDLINGS IN SAID CONTAINER. -O-(CH2)X-CO- 1. AN ARTICLE OF MANUFACTURE WHICH COMPRISES: (A) A BIODEGRADABLE CONTAINER FABRICATED FROM A MIXTURE OF SUBSTANCES COMPRISING (I) FROM ABOUT 5 TO ABOUT 95 WEIGHT PERCENT OF BIODEGRADABLE THERMOPLASTIC OXYALKANOYL POLYMER, SAID POLYMER HAVING A REDUCED VISCOSITY VALUE OF AT LEAST ABOUT 0.1 AND UPWARDS TO ABOUT 12 AND BEING FURTHER CHARACTERIZED IN THAT AT LEAST ABOUT 10 WEIGHT PERCENT OF SAID THERMOPLASTIC OXYALKANOYL POLYMER IS ATTRIBUTABLE TO RECURRING OXYALKANOYL UNITS OF THE FORMULA

Inventors

  • 👤 W Niegisch
  • 👤 R Clendinning
  • 👤 J Potts

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 15:49
CPC Classifications
A; A01; A01G; A01G9/00; A01G9/14; A01G9/1438; A01G9/02; A01G9/021; A01G9/029; A01G9/0291; C; C08; C08L; C08L101/00; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/25; Y10; Y10S; Y10S260/00; Y10S260/43

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 74 words
AN ARTICLE OF MANUFACTURE WHICH COMPRISES: (A) A BIODEGRADABLE CONTAINER FABRICATED FROM A MIXTURE OF SUBSTANCES COMPRISING (I) FROM ABOUT 5 TO ABOUT 95 WEIGHT PERCENT OF BIODEGRADABLE THERMOPLASTIC OXYALKANOYL POLYMER, SAID POLYMER HAVING A REDUCED VISCOSITY VALUE OF AT LEAST ABOUT 0.1 AND UPWARDS TO ABOUT 12 AND BEING FURTHER CHARACTERIZED IN THAT AT LEAST ABOUT 10 WEIGHT PERCENT OF SAID THERMOPLASTIC OXYALKANOYL POLYMER IS ATTRIBUTABLE TO RECURRING OXYALKANOYL UNITS OF THE FORMULA
Claim 2
Dependent Claim 74 words
AN ARTICLE OF MANUFACTURE WHICH COMPRISES: (A) A BIODEGRADABLE CONTAINER FABRICATED FROM A MIXTURE OF SUBSTANCES COMPRISING (I) FROM ABOUT 5 TO ABOUT 95 WEIGHT PERCENT OF BIODEGRADABLE THERMOPLASTIC OXYALKANOYL POLYMER, SAID POLYMER HAVING A REDUCED VISCOSITY VALUE OF AT LEAST ABOUT 0.1 AND UPWARDS TO ABOUT 12 AND BEING FURTHER CHARACTERIZED IN THAT AT LEAST ABOUT 10 WEIGHT PERCENT OF SAID THERMOPLASTIC OXYALKANOYL POLYMER IS ATTRIBUTABLE TO RECURRING OXYALKANOYL UNITS OF THE FORMULA

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-10-28 1978-04-29 1978-10-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-10-28 1982-04-29 1982-10-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-10-28 1986-04-29 1986-10-29 $7700.00 Window Closed / Lapsed

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