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US3779867A Expired / Lapsed US ⏱️ 0.0 years remaining

Production of polynucleotides

Assignee: Yamasa Shoyu KK
•
Filing: 1971-02-01
•
Granted: 1973-12-18
•
Expires: 1991-02-01
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Abstract

Abstract Production of polynucleotides by incubating one or more kinds of nucleoside diphosphate in the presence of one or more kinds of divalent cation with a cultured material of a strain of microorganism rich in extractable polynucleotide phosphorylase and poor in enzymes degrading nucleic acids and nucleoside diphosphates is described.

Inventors

  • 👤 A Kuninaka
  • 👤 Y Katoh
  • 👤 H Yoshino

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 21:07
CPC Classifications
C; C07; C07H; C07H21/00; C12; C12N; C12N9/00; C12N9/10; C12N9/12; C12N9/1241; C12N9/1258; C12P; C12P19/00; C12P19/26; C12P19/28; C12P19/30; C12P19/34; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/828; Y10S435/84; Y10S435/873; Y10S435/874; Y10S435/88; Y10S435/881; Y10S435/91

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 20 words
The process as claimed in claim 1, in which said cultured material is the culture of the strain Pseudomonas R-399.
Claim 2
Dependent Claim 24 words
The process as claimed in claim 1, in which said cultured material comprises the cells isolated from the culture of the strain Pseudomonas R-399.
Claim 3
Dependent Claim 44 words
The process as claimed in claim 1, in which the cultured material is an extract obtained by suspending the cells, and cell fragments from said culture in water or an aqueous buffer solution, after said cells are contacted with highly concentrated sodium chloride solution.

References Cited (Backward Citations)

US3594278A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-12-17 1977-06-18 1977-12-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-12-17 1981-06-18 1981-12-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-12-17 1985-06-18 1985-12-18 $7700.00 Window Closed / Lapsed

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