Inventor

Aziz El-Sayed

Inventor
Leverkusen, DE

Overview

14→
Patents
1978–2004
Patent span
Chemistry
Primary field (CPC C)

Patents· 14 as inventor

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

C08Kprimary
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients28%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds24%
C08LCompositions of macromolecular compounds12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
B29CShaping or joining of plastics4%
B41MPrinting, duplicating, marking, or copying processes4%
C07DHeterocyclic compounds4%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
C08JWorking-up4%
C09KMaterials for miscellaneous applications, not provided for elsewhere4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–2004Patents assigned to BAYER AG (13)· patent assignee history
1978–2004Based in Leverkusen, DE· patent location history
1992Patents assigned to COUGHLIN ROBERT W (1)· patent assignee history
1992Patents assigned to EL SAYED A HALIM (1)· patent assignee history
1992Patents assigned to MAHMOUD WAFAA M (1)· patent assignee history
1992Based in Wallingford, CT, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAYER AG131978–2004
COUGHLIN ROBERT W11992
EL SAYED A HALIMself11992
MAHMOUD WAFAA M11992
Locations
LocationPatentsSpan
Leverkusen, DE131978–2004
Wallingford, CT, US11992