Patents
US 12559629 B2: Method for preparing a stable Trypan Blue solution
- Granted
- 2026-02-24
- Filed
- 2021-12-03 application 18255761
- Type
- Utility · 19 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Compositions, methods, and kits for stable Trypan Blue solutions are provided. In one example, a method includes: cooling a solution of Trypan Blue; and filtering the cooled solution. In another example, a method includes: mixing a water-soluble polymer with a Trypan Blue solution. The method may further include adding one or more ingredients such as an aqueous buffer, an osmolyte, an acid, a base, a buffer, a cell culture medium, water, or combinations thereof.
Source: PTBLXML, file of 2026-02-24 (ipgb20260224.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| BECKMAN COULTER, INC. 400 patents | US company or organization | Brea, CA | BECKMAN COULTER INC SEC filer EXACT medium confidence: identical full name, one of each nationally | PTBLXML, file of 2026-02-24 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Alec Lutzke | Fort Collins, CO | PTBLXML, file of 2026-02-24 | ||
| Blake R. Mccarty | Loveland, CO | PTBLXML, file of 2026-02-24 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C09B | Organic dyes or closely-related compounds for producing dyes ; , e.g. pigments; mordants; lakes | C09B67/0083 | PTBLXML, file of 2026-02-24 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
No recorded assignments or security interests on file for this patent.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.