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%

PatentTitleYear

5,965,652'Thermally stable copper-containing polyamide molding compounds'1999 5,576,377'Polymer moulding materials for producing a partial color change by laser energy, particularly for the production of colored markings'1996 5,416,143'Highly flame-retardant polyamide moulding compounds'1995 5,389,712'Difficultly flammable polyamide moulding materials'1995 5,378,750'Flame-retardant polyamide molding compounds'1995 5,242,960'Flameproofed non-drip polyamide molding compounds'1993 5,201,921'Process for identifying plastics by addition of fluorescent dye'1993 4,923,660'Process for the production of mouldings and films from thermotropic polymers'1990 4,701,515'Thermotropic aromatic polyester from 3,3\'-diphenyl-4,4\'-dihydroxy biphenyl and arylene dicarboxylic acid'1987 4,667,011'Thermotropic aromatic polyesters having high mechanical properties and good processability, a process for their preparation, and their use for the production of mouldings, filaments, fibres and films'1987 4,514,546'Coating powder based on saponified ethylene/vinyl acetate copolymers and the use thereof'1985 4,366,288'Pulverulent coating materials'1982 4,151,228'Acrylonitrile polymer blended with a statistical copolymer of acrylic acid alkyl ester and styrene'1979

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

Assignee	Patents	Span
BAYER AG	12	1979–1999
DICKE HANS RUDOLF	1	1990
EL SAYED AZIZself	1	1990
ROEHR HARRY	1	1990
WILLENBERG BERND	1	1990

Locations

Location	Patents	Span
Leverkusen, DE	13	1979–1999