Prosecution Insights
Last updated: April 19, 2026
Application No. 18/254,808

POLYMER COMPOSITION, CROSS-LINKED PRODUCT, AND TIRE

Non-Final OA §102
Filed
May 26, 2023
Examiner
ROELOFSE, CHRISTIAAN
Art Unit
1762
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Eneos Materials Corporation
OA Round
1 (Non-Final)
50%
Grant Probability
Moderate
1-2
OA Rounds
2y 10m
To Grant
99%
With Interview

Examiner Intelligence

Grants 50% of resolved cases
50%
Career Allow Rate
5 granted / 10 resolved
-15.0% vs TC avg
Strong +56% interview lift
Without
With
+55.6%
Interview Lift
resolved cases with interview
Typical timeline
2y 10m
Avg Prosecution
34 currently pending
Career history
44
Total Applications
across all art units

Statute-Specific Performance

§101
0.5%
-39.5% vs TC avg
§103
53.3%
+13.3% vs TC avg
§102
12.7%
-27.3% vs TC avg
§112
21.2%
-18.8% vs TC avg
Black line = Tech Center average estimate • Based on career data from 10 resolved cases

Office Action

§102
DETAILED ACTION Notice of Pre-AIA or AIA Status The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Claim Rejections - 35 USC § 102 The following is a quotation of the appropriate paragraphs of 35 U.S.C. 102 that form the basis for the rejections under this section made in this Office action: A person shall be entitled to a patent unless – (a)(2) the claimed invention was described in a patent issued under section 151, or in an application for patent published or deemed published under section 122(b), in which the patent or application, as the case may be, names another inventor and was effectively filed before the effective filing date of the claimed invention. Claims 1 – 13 are rejected under 35 U.S.C. § 102(a)(2) as being anticipated by Inoue (US 2022/0064414 A1). Regarding claim 1, Inoue teaches a rubber composition comprising a polymer (A) which satisfies an equation (i) ranging from 0.70 – 0.99 when p, q, r & s are defined as constituent components in said polymer. The rubber composition also comprises a resin (B). Said constituent components (i.e., structural components) are labeled (1) – (4), respectively, and are shown below along with equation (i): (Abstract) PNG media_image1.png 249 398 media_image1.png Greyscale As shown, the equation (i) encompasses the claimed range of 0.75 – 0.97, and components (1) – (4) are identical to components (1) – (4) of the instant application. The thermoplastic resin (B) is preferably a styrene-based resin which may comprise styrene-based monomer units in amounts of 20 wt.% (p. 7, [0059], [0060]). As Inoue’s rubber composition abides by the limitations established by the independent base claim 1, polymer (A) will inherently have a glass transition temperature of -40°C or less. Regarding claim 2, Inoue discloses the polymer (A) is contained in amounts of 60 wt.% - 95 wt.% (p. 1, [0011]). Regarding claim 3, Inoue discloses the conjugated diene-based polymer has a weight average molecular weight (Mw) of 1.0x105 – 2.0x106 (p. 3, [0033]). Regarding claim 4, Inoue discloses the aromatic vinyl compound may be present in amounts of 10 wt.% - 50 wt.% (p. 2, [0023]). Regarding claim 5, Inoue teaches the conjugated diene-based polymer may be modified to further comprise a functional group to incorporate reactivity with silica (p. 3, [0036]). These groups include amino group, a nitrogen-containing heterocyclic group, a phosphino group, a hydroxyl group, a thiol group and a hydrocarbyloxysilyl group (p. 3 & 4, [0037]). Regarding claim 6, Inoue teaches the conjugated diene-based polymer may be modified to comprise a compound represented by the following formulas (9) & (10), respectively: (p. 3 & 4, [0037]). PNG media_image2.png 76 384 media_image2.png Greyscale Wherein: --- A1 is a monovalent functional group comprising at least one atom from the group consisting of nitrogen, phosphorus, oxygen, sulfur and silicon, --- R3 & R4 are hydrocarbyl groups, --- R5 is a hydrocarbylene group, --- r is an integer of 0 – 2 (p. 4, [0037]) PNG media_image3.png 100 384 media_image3.png Greyscale Wherein: --- A2 is a monovalent functional group comprising at least one atom from the group consisting of nitrogen, phosphorus, oxygen, sulfur and silicon, --- R6 & R7 are hydrocarbyl groups, --- R8 is a hydrocarbylene group, --- R9 is a single bond or a hydrocarbylene group, --- m is 0 or 1 (p. 4, [0037]). The teachings & disclosures of formulas (9) & (10) are substantially identical, if not identical, to the claimed formulas (5) & (6), respectively, reading on all limitations established by the instant claim 6. Regarding claim 7, Inoue teaches the amount of resin (B) to present in preferable amounts of 50 parts or less (p. 8, [0070]). Regarding claim 8, Inoue teaches the resin (B) may be an alkylphenol-based resin (p. 14, Claim 4). Such a resin will comprise a hydroxyl function group. Regarding claim 10, Inoue teaches the rubber composition may further comprise fillers, preferably carbon black or silica or a combination of carbon black & silica (p. 10, [0085]). Regarding claim 9, During the synthesis of the conjugated diene-based rubber, Inoue teaches the use of sodium hydroxide (p. 11, [0104]). Regarding claim 11, Inoue teaches the rubber composition may be crosslinked via a crosslinking agent (p. 9, [0072]). Regarding claims 12 & 13, Inoue teaches the inventive rubber composition may be a crosslinked body and/or be employed in tires (p. 1, [0002]). The reference specifically discloses each of the instantly claimed components within their recited proportions. In view of the foregoing, the above claims have failed to patentably distinguish over the applied art. The remaining references listed on forms 892 and 1449 have been reviewed by the examiner and are considered to be cumulative to or less material than the prior art references relied upon in the rejection above. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to CHRISTIAAN ROELOFSE whose telephone number is (571)272-2825. The examiner can normally be reached Monday-Friday 8:00-4:00 EST. Examiner interviews are available via telephone, in-person, and video conferencing using a USPTO supplied web-based collaboration tool. To schedule an interview, applicant is encouraged to use the USPTO Automated Interview Request (AIR) at http://www.uspto.gov/interviewpractice. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Robert Jones can be reached at (571)270-7733. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of published or unpublished applications may be obtained from Patent Center. Unpublished application information in Patent Center is available to registered users. To file and manage patent submissions in Patent Center, visit: https://patentcenter.uspto.gov. Visit https://www.uspto.gov/patents/apply/patent-center for more information about Patent Center and https://www.uspto.gov/patents/docx for information about filing in DOCX format. For additional questions, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative, call 800-786-9199 (IN USA OR CANADA) or 571-272-1000. /CHRISTIAAN ROELOFSE/Examiner, Art Unit 1762 /MARK KOPEC/Primary Examiner, Art Unit 1762
Read full office action

Prosecution Timeline

May 26, 2023
Application Filed
Jan 23, 2026
Non-Final Rejection — §102 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12577427
AQUEOUS ACRYLIC TEXTURED LAYER FORMING COMPOSITIONS USEFUL AS TOP COATS FOR SYNTHETIC SPORT SURFACES
2y 5m to grant Granted Mar 17, 2026
Patent 12534597
POLYAMIDE RESIN COMPOSITION AND MOLDED OBJECT THEREOF
2y 5m to grant Granted Jan 27, 2026
Patent 12516175
INSULATING MATERIAL, AND PREPARATION METHOD AND USE THEREOF
2y 5m to grant Granted Jan 06, 2026
Study what changed to get past this examiner. Based on 3 most recent grants.

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Prosecution Projections

1-2
Expected OA Rounds
50%
Grant Probability
99%
With Interview (+55.6%)
2y 10m
Median Time to Grant
Low
PTA Risk
Based on 10 resolved cases by this examiner. Grant probability derived from career allow rate.

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