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Inventor

Juan F. CALLEJAS

Inventor
US

Overview

3→
Patents
2025–2026
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C09Dprimary
C09DCoating compositions, e.g. paints, varnishes or lacquers27%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds18%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients18%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties18%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals9%
C08LCompositions of macromolecular compounds9%
PatentTitleYear
12,595,388Aqueous dispersion of cerium (III) carbonate particles202612,344,757Method for preparing coating composition with improved color retention202512,297,358Hydrophobically modified pigment composition2025

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2025Patents assigned to ROHM & HAAS (2)· patent assignee history
2025Patents assigned to DOW GLOBAL TECHNOLOGIES LLC (1)· patent assignee history
2025Patents assigned to UNIV CALIFORNIA (1)· patent assignee history
2025–2026Based in US· patent location history
2026Patents assigned to ROHM AND HAAS COMPANY (1)· patent assignee history
2026Patents assigned to THE REGENTS OF THE UNIV OF CALIFORNIA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ROHM & HAAS22025
DOW GLOBAL TECHNOLOGIES LLC12025
ROHM AND HAAS COMPANY12026
THE REGENTS OF THE UNIV OF CALIFORNIA12026
UNIV CALIFORNIA12025
Locations
LocationPatentsSpan
US32025–2026