Prosecution Insights
Last updated: April 19, 2026
Application No. 18/257,780

DILUTION-STABLE AQUEOUS COMPOSITIONS FOR THE MASS HYDROPHOBIZATION OF MINERAL BUILDING MATERIALS

Non-Final OA §102
Filed
Jun 15, 2023
Examiner
EGWIM, KELECHI CHIDI
Art Unit
1762
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Evonik Operations GmbH
OA Round
1 (Non-Final)
70%
Grant Probability
Favorable
1-2
OA Rounds
3y 1m
To Grant
84%
With Interview

Examiner Intelligence

Grants 70% — above average
70%
Career Allow Rate
551 granted / 789 resolved
+4.8% vs TC avg
Moderate +14% lift
Without
With
+14.0%
Interview Lift
resolved cases with interview
Typical timeline
3y 1m
Avg Prosecution
46 currently pending
Career history
835
Total Applications
across all art units

Statute-Specific Performance

§101
0.6%
-39.4% vs TC avg
§103
27.9%
-12.1% vs TC avg
§102
45.9%
+5.9% vs TC avg
§112
19.2%
-20.8% vs TC avg
Black line = Tech Center average estimate • Based on career data from 789 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)(1) the claimed invention was patented, described in a printed publication, or in public use, on sale, or otherwise available to the public before the effective filing date of the claimed invention. (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. Claim(s) 1-20 is/are rejected under 35 U.S.C. 102(a)(1)/(a)(2) as being anticipated by Friedel et al. (US 2013/0087080). In ¶ 9-17 and 40-43, Friedel et al. teach an hydraulically setting composition comprising an aqueous emulsion (oil-in-water) comprising 2.5% to 90% by weight of a fluoroorganyl-substituted silane and/or siloxane and 0.01 to 5% of at least one nonionic alkoxylated alcohol emulsifier (see ¶ 44); wherein the organosiloxane is exemplified by the condensate product of 25% of N-[N'-(2-aminoethyl)-2-aminoethyl]-3-aminopropyltrimethoxysilane (with SiC-bonded C2 and C3 radicals) and 75% of tridecafluor-1,1,2,2-tetrahydrooctyltriethoxysilane (with a SiC-bonded C8 radical) (See ¶ 66). Thus, the requirements for rejection under 35 U.S.C. 102(a)(1)/(a)(2) are met. Any inquiry concerning this communication or earlier communications from the examiner should be directed to KELECHI CHIDI EGWIM whose telephone number is (571)272-1099. The examiner can normally be reached M-Th 9-7. 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. /KELECHI C EGWIM/ Primary Examiner, Art Unit 1762 KCE
Read full office action

Prosecution Timeline

Jun 15, 2023
Application Filed
Mar 23, 2026
Non-Final Rejection — §102 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12590220
THERMOSETTING COMPOSITION, METHOD FOR MANUFACTURING MOLDED ARTICLE USING THE SAME, AND CURED PRODUCT
2y 5m to grant Granted Mar 31, 2026
Patent 12584028
CURABLE ORGANOPOLYSILOXANE COMPOSITION, AND OPTICAL MEMBER FORMED FROM CURED PRODUCT OF SAME
2y 5m to grant Granted Mar 24, 2026
Patent 12577460
Composition for production of coatings comprising improved phosphors
2y 5m to grant Granted Mar 17, 2026
Patent 12577373
CARBODIIMIDE COMPOSITION, CURING AGENT COMPOSITION, COATING COMPOSITION AND RESIN CURED PRODUCT
2y 5m to grant Granted Mar 17, 2026
Patent 12570851
LIQUIDS
2y 5m to grant Granted Mar 10, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

1-2
Expected OA Rounds
70%
Grant Probability
84%
With Interview (+14.0%)
3y 1m
Median Time to Grant
Low
PTA Risk
Based on 789 resolved cases by this examiner. Grant probability derived from career allow rate.

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