Inventor

Wolfgang Straehle

Inventor

Heidelberg, DE

Overview

1981–2003

Patent span

Chemistry

Primary field (CPC C)

Patents· 18 as inventor

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

C08Gprimary

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds82%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%

C08LCompositions of macromolecular compounds5%

PatentTitleYear

6,657,036'Polycondensation resins and polyaddition resins produced by heterogeneous catalysis'2003 5,247,049'Thermoplastic polyurethane elastomers with a low degree of organic carbon migration'1993 5,173,518'Preparation of cellular polyurethane elastomers using polyether carbonate diols as a starting component'1992 5,173,543'Thermoplastic elastomers'1992 5,162,387'Preparation of polyurethane elastomers, and mixtures suitable for this purpose comprising polyoxybutylene-polyoxyalkylene glycols and glycidyl compounds'1992 5,137,935'Polyetherpolycarbonatediols'1992 4,837,245'Process for the preparation of non-cellular or cellular polyurethane elastomers in the presence of a polyester polyol containing therein titanium and/or tin compounds as catalysts'1989 4,778,830'Polyester polyols liquid at room temperature and their preparation and use in preparing plastics by polyisocyanate addition polymerization'1988 4,731,392'Process for the preparation of polyester polyols, based on 2-methyl-1,4-butanediol, which are liquid at room temperature, and their use for the preparation of plastic materials'1988 4,698,410'Process for the preparation of high-temperature-resistant dense or cellular polyurethane elastomers'1987 4,582,926'Process for the preparation of polyester or polyether-polyester polyol'1986 4,507,475'Process for purification of crude polyether polyols'1985 4,481,309'Process for the preparation of cellular and non-cellular polyurethanes'1984 4,452,997'Process for the preparation of polyester polyols and/or polyester-polyether polyols'1984 4,440,705'Process for the preparation of cellular and non-cellular polyurethane elastomers'1984 4,421,872'Process for the preparation of elastic flexible polyurethane foams'1983 4,383,050'Process for the preparation of low temperature flexible polyurethane elastomers'1983 4,302,551'Process for the preparation of cellular polymers having urethane groups, isocyanurate groups, or both'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1993Patents assigned to BASF AG (17)· patent assignee history

1981–1993Based in Heidelberg, DE· patent location history

2003Patents assigned to BASF COATINGS AG (1)· patent assignee history

2003Based in Mnster, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BASF AG	17	1981–1993
BASF COATINGS AG	1	2003

Locations

Location	Patents	Span
Heidelberg, DE	17	1981–1993
Mnster, DE	1	2003