Chemistry, Medicine, and Materials Patent Memory

An indexable CultureUp cluster for sterol recovery, gamma-electric systems, polymer chemistry, bioluminescence source review, and electrogasdynamics source review.

Cluster thesis

Chemistry, medicine, and materials

Advanced chemistry and science patents often sit inside laboratories, corporations, universities, and federal research settings. CultureUp keeps the patent facts visible while holding unsupported biography, medical, environmental, and public-impact claims to source review.

Related patent holders

Percy L. Julian / 2273046 Henry T. Sampson Jr. / 3591860 Emmett W. Chappelle / exact patent records needed Meredith C. Gourdine / exact patent records needed Bettye W. Greene / 4506057

Patent records

Source-led record cards

These cards show patent-record facts and review status without promoting final holder rank.

advanced_science_candidateSprint priority 2Not public rankutility patenthigh

2273046: Process for Recovering Sterols

Percy L. Julian / 1942-02-17

Sprint 6 advanced science record. The patent row preserves John Wayne Cole as co-inventor and The Glidden Company as assignee.

Residence: Chicago, Illinois
Category: steroid chemistry / industrial materials
Source status: high
Chronology handling: advanced_science_candidate
Cluster: Chemistry, medicine, and materials
Co-inventors: John Wayne Cole
Assignee: The Glidden Company / corporate assignee
Primary sources: 1 mapped

advanced_science_candidateSprint priority 4Not public rankutility patenthigh

3591860: Gamma-Electric Cell

Henry T. Sampson Jr. / 1971-07-06

Sprint 6 advanced science record. The patent row preserves George H. Miley as co-inventor and does not convert the gamma-electric cell into a solar-cell claim.

Residence: Urbana, Illinois
Category: nuclear/electrical systems
Source status: high
Chronology handling: advanced_science_candidate
Cluster: Chemistry, medicine, and materials
Co-inventors: George H. Miley
Primary sources: 1 mapped

advanced_science_candidateSprint priority 7Not public rankutility patentmedium high

4506057: Stable Latexes Containing Phosphorus Surface Groups

Bettye W. Greene / 1985-03-19

Sprint 6 advanced science record. The patent row preserves Sun-Lin Chen as co-inventor and Dow Chemical Co. as assignee.

Residence: Midland, Michigan
Category: polymer chemistry / industrial materials
Source status: medium high
Chronology handling: advanced_science_candidate
Cluster: Chemistry, medicine, and materials
Co-inventors: Sun-Lin Chen
Assignee: Dow Chemical Co. / corporate assignee
Primary sources: 1 mapped

Proof limits

What this cluster can and cannot prove.

What these records can prove

Patent rows for Julian, Sampson, and Greene where exact numbers, dates, co-inventors, and assignees are attached.
A source-review path for Chappelle and Gourdine until exact patent rows are ledgered.
Laboratory, corporate, and federal-research contexts that require careful source boundaries.

What remains under review

Exact patent-family reconciliation for Chappelle and Gourdine.
Medical, environmental, aerospace, and public-impact claims beyond the patent records.
Assignment and employer ownership context for modern science patents.

Co-inventor and assignee notes

Julian's row preserves John Wayne Cole and The Glidden Company.
Sampson's row preserves George H. Miley.
Greene's row preserves Sun-Lin Chen and Dow Chemical Co.
Chappelle and Gourdine stay noindex until exact patent rows are attached.

Open source ledger Submit a correction

Chemistry, Medicine, and Materials Patent Memory