US3216900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized barium sulphate x-ray compositions
Assignee: Individual
•
Filing: 1963-01-14
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Granted: 1965-11-09
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Expires: 1983-01-14
Abstract
No abstract record available.
Inventors
- 👤 Embring Paul Gunnar
- 👤 Mattsson Per Ove
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:26
CPC Classifications
A; A61; A61K; A61K49/00; A61K49/04; A61K49/0404
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A PULVERULENT FREE-FLOWING COMPOSITION PRACTICALLY FREE OF WATER AND COMPRISING IN COMBINATION: (A) A NUTRIENT COMPONENT CONSISTING OF A COMBINATION OF LIQUID FAT, PROTEIN AND CARBOHYDRATES, AND, (B) PULVERULENT BARIUM SULFATE, (C) THE PARTICLES OF SAID BARIUM SULFATE BEING COATED WITH A NEUTRAL THERAPEUTICALLY ACCEPTABLE SALT, (D) SAID SALT BEING SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL CITRATES, AMMONIUM CITRATES, ALKALI METAL PYROPHOSPHATES, AND AMMONIUM PYROPHOSPHATES, (E) THE AMOUNT OF SAID SALT BEING WITHIN THE RANGE OF 0.5-2% BASED ON THE WEIGHT OF THE BARIUM SULFATE.
Claim 2
Dependent Claim
87 words
A PULVERULENT FREE-FLOWING COMPOSITION PRACTICALLY FREE OF WATER AND COMPRISING IN COMBINATION: (A) A NUTRIENT COMPONENT CONSISTING OF A COMBINATION OF LIQUID FAT, PROTEIN AND CARBOHYDRATES, AND, (B) PULVERULENT BARIUM SULFATE, (C) THE PARTICLES OF SAID BARIUM SULFATE BEING COATED WITH A NEUTRAL THERAPEUTICALLY ACCEPTABLE SALT, (D) SAID SALT BEING SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL CITRATES, AMMONIUM CITRATES, ALKALI METAL PYROPHOSPHATES, AND AMMONIUM PYROPHOSPHATES, (E) THE AMOUNT OF SAID SALT BEING WITHIN THE RANGE OF 0.5-2% BASED ON THE WEIGHT OF THE BARIUM SULFATE.
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |