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US3867366A Expired / Lapsed US ⏱️ 0.0 years remaining

Opiate imidates and protein conjugates thereof

Assignee: SYNVAR ASSOCIATES A K A SYVA C
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Filing: 1973-05-09
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Granted: 1975-02-18
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Expires: 1993-05-09
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Abstract

Abstract Novel water soluble opiate poly(amino acid) conjugates are provided, wherein the opiate is bound to the poly(amino acid) by an imidoyl linkage. The conjugates find use in the formation of antibodies or as reagents in immunoassays.

Inventors

  • 👤 Kenneth E Rubenstein
  • 👤 Edwin F Ullman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:52
CPC Classifications
C; C07; C07D; C07D489/00; C07D489/02; G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/94; G01N33/946; G01N33/948; G01N33/9486; Y; Y10; Y10S; Y10S435/00; Y10S435/961; Y10S436/00; Y10S436/805; Y10S436/815; Y10S436/816; Y10S436/823; Y10S530/00; Y10S530/806

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 5 words
A CONJUGATE OF THE FORMULA:
Claim 2
Dependent Claim 5 words
A CONJUGATE OF THE FORMULA:
Claim 3
Dependent Claim 28 words
A conjugate according to claim 1, wherein Y is hydrogen, R is alkylene of from 1-4 carbon atoms, and n is in the range of 10 to 200.
Claim 4
Dependent Claim 12 words
An antibody prepared in response to a conjugate according to claim 2.
Claim 5
Dependent Claim 12 words
An antibody prepared in response to a conjugate according to claim 1.
Claim 6
Dependent Claim 16 words
A conjugate of bovine serum albumin and 2-(O3-morphinyl)acetimidoyl, wherein the linkage is through an amidine group.
Claim 7
Dependent Claim 16 words
A conjugate of bovine serum albumin and 2-(O3-morphinyl)acetimidoyl, wherein the linkage is through an amidine group.

References Cited (Backward Citations)

US3690834A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-02-17 1978-08-19 1979-02-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-02-17 1982-08-19 1983-02-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-02-17 1986-08-19 1987-02-18 $7700.00 Window Closed / Lapsed

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