Inventor

Martin Holderbaum

Inventor

Ludwigshafen, DE

Overview

11→

Patents

1993–1999

Patent span

Chemistry

Primary field (CPC C)

Patents· 11 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds19%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients16%

C09DCoating compositions, e.g. paints, varnishes or lacquers16%

C07DHeterocyclic compounds13%

A61KPreparations for medical, dental or toiletry purposes9%

A61QSpecific use of cosmetics or similar toiletry preparations9%

C09KMaterials for miscellaneous applications, not provided for elsewhere9%

C07BGeneral methods of organic chemistry3%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium3%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

PatentTitleYear

6,007,828'Cosmetic preparations containing photostable UV-A filters'1999 5,917,080'Preparation of 2-cyano-3,3-diarylacrylic esters'1999 5,904,814'Removal of water and ammonia from benzophenone imine reactor effluents'1999 5,821,292'3-arylacrylic acid ester light-protection stabilizers for organic material'1998 5,821,380'2-cyanoacrylic esters'1998 5,756,807'Preparation of alkyl cyanoacetates'1998 5,679,855'Preparation of benzophenone imines'1997 5,624,981'Polyalkylpiperidine containing acetic acid and 3-amino-acrylic acid derivatives'1997 5,610,210'Aminovinylphosphonic ester stabilizers for organic material'1997 5,443,820'Esters and amides of aminomethylenecyanoacetic acid a cosmetic preparation containing the same as a sunscreen agent and a method for protecting human skin using the same'1995 5,266,320'Aminovinyl-substituted heterocyclic compounds as stabilizers for organic materials'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1999Patents assigned to BASF AG (11)· patent assignee history

1993–1999Based in Ludwigshafen, DE· patent location history

1999Based in Birkenfeld, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BASF AG	11	1993–1999

Locations

Location	Patents	Span
Ludwigshafen, DE	10	1993–1999
Birkenfeld, DE	1	1999