Inventor

Aziz El Sayed

Inventor
Leverkusen, DE

Overview

13→
Patents
1979–1999
Patent span
Chemistry
Primary field (CPC C)

Patents· 13 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 ingredients24%
C08LCompositions of macromolecular compounds17%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds10%
C09DCoating compositions, e.g. paints, varnishes or lacquers7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
B07CPostal sorting3%
B29BPreparation or pretreatment of the material to be shaped3%
B29CShaping or joining of plastics3%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts3%
B29LIndexing scheme associated with subclass b29c, relating to particular articles3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1999Patents assigned to BAYER AG (12)· patent assignee history
1979–1999Based in Leverkusen, DE· patent location history
1990Patents assigned to DICKE HANS RUDOLF (1)· patent assignee history
1990Patents assigned to EL SAYED AZIZ (1)· patent assignee history
1990Patents assigned to ROEHR HARRY (1)· patent assignee history
1990Patents assigned to WILLENBERG BERND (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAYER AG121979–1999
DICKE HANS RUDOLF11990
EL SAYED AZIZself11990
ROEHR HARRY11990
WILLENBERG BERND11990
Locations
LocationPatentsSpan
Leverkusen, DE131979–1999