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Inventor

ROBERT H. NEGRI

Inventor
US

Overview

3→
Patents
2022–2024
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.

C04Bprimary
C04BLime, magnesia43%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form14%
E04BGeneral building constructions14%
E04CStructural elements14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
12,006,262Plasticizer dedusting agents for joint compounds202411,414,352Method for making a lightweight gypsum composition with internally generated foam and products made from same202211,267,227Exterior sheathing panel with integrated air/water barrier membrane2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2024Patents assigned to UNITED STATES GYPSUM CO (3)· patent assignee history
2022Patents assigned to TREMCO INC (1)· patent assignee history
2022–2024Based in US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNITED STATES GYPSUM CO32022–2024
TREMCO INC12022
Locations
LocationPatentsSpan
US32022–2024