Last updated: October 22, 2026

Application No. 18/029,520

EMPLOYING LOW REACTIVITY HYDROCARBON DISPERSING AGENT IN AQUEOUS POLYMERIZATION OF FLUOROPOLYMERS

Final Rejection

Filed

Mar 30, 2023

Priority

Oct 01, 2020 — provisional 63/086,331 +1 more

Examiner

HUHN, RICHARD A

Art Unit

1764

Tech Center

1700 — Chemical & Materials Engineering

Assignee

The Chemours Company FC LLC

OA Round

2 (Final)

Interview Optional

— +5.7% interview lift. Interview lift (+5.7%) is below the 15.0% threshold. A written response is recommended.

Based on 909 resolved cases, 2023–2026

Examiner Intelligence

HUHN, RICHARD A View full profile →

Grants 67% — above average

Career Allowance Rate

610 granted / 909 resolved

+2.1% vs TC avg

Moderate +6% lift

Without

With

+5.7%

Interview Lift

resolved cases with interview

Typical timeline

2y 11m

Avg Prosecution

44 currently pending

Career history

944

Total Applications

across all art units

Statute-Specific Performance

§101

1.1%

-38.9% vs TC avg

§103

41.4%

+1.4% vs TC avg

§102

18.8%

-21.2% vs TC avg

§112

26.0%

-14.0% vs TC avg

Black line = Tech Center average estimate • Based on career data from 909 resolved cases

Prosecution Timeline

Mar 30, 2023

Application Filed

Nov 18, 2024

Response after Non-Final Action

Jan 13, 2026

Non-Final Rejection mailed

Jul 09, 2026

Response Filed

Jul 22, 2026

Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/744,077

Patent 12767753

SEQUENCE-BLOCK COPOLYMERS AND PREPARATION THEREFOR AND APPLICATION THEREOF

4y 5m to grant Granted Oct 20, 2026

18/569,892

Patent 12767796

MULTIMODAL POLYETHYLENE

2y 10m to grant Granted Oct 20, 2026

18/265,141

Patent 12760144

METHOD OF SPONTANEOUSLY PATTERNING A POLYMER DURING FRONTAL POLYMERIZATION

3y 4m to grant Granted Oct 13, 2026

18/476,747

Patent 12760136

SCANDIUM CATALYST SYSTEM AND PROCESS FOR PRODUCING ETHYLENE/BUTADIENE COPOLYMER

3y 0m to grant Granted Oct 13, 2026

18/030,953

Patent 12747309

METHOD FOR PREPARING VINYL CHLORIDE-BASED POLYMER AND VINYL CHLORIDE-BASED POLYMER PREPARED THEREBY

3y 5m to grant Granted Sep 29, 2026

Study what changed to get past this examiner. Based on 5 most recent grants.

Strategy Recommendation AI-generated — please review before filing

Get a prosecution strategy drawn from examiner precedents, rejection analysis, and claim mapping.

Typically takes 5-10 seconds — AI-generated, attorney review required before filing

Prosecution Projections

3-4

Expected OA Rounds

67%

Grant Probability

73%

With Interview (+5.7%)

2y 11m (~0m remaining)

Median Time to Grant

Moderate

PTA Risk

Based on 909 resolved cases by this examiner. Grant probability derived from career allowance rate.