Inventor

Hans-Joachim Koetzsch

Inventor

Rheinfelden, DE

Overview

10→

Patents

1989–1998

Patent span

Chemistry

Primary field (CPC C)

Patents· 10 as inventor

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

C07Fprimary

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium43%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry24%

C07BGeneral methods of organic chemistry5%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%

C08JWorking-up5%

C08LCompositions of macromolecular compounds5%

C09DCoating compositions, e.g. paints, varnishes or lacquers5%

C10LFuels not otherwise provided for5%

Y10TTechnical subjects covered by former us classification5%

PatentTitleYear

5,786,493'Cyclic silane esters and solvolysis products thereof, and processes for the preparation of the cyclic silane esters and the solvolysis products'1998 5,698,726'Process for preparing amino-functional organosilanes low in or free of chloro-functional organosilanes'1997 5,679,147'Water-based organic polysiloxane-containing compositions, processes for their preparation and their use'1997 5,654,459'Process for preparing alkylhydrogenchlorosilanes'1997 5,646,325'Process for the preparation of 3-acryloyloxypropylalkoxysilanes'1997 5,616,755'Process for preparing low-chloride or chloride-free aminofunctional organosilanes'1997 5,616,762'Process for the preparation of 3-halo-and pseudohalo-alkylsilane esters'1997 5,536,860'Process for preparing aminopropylalkoxysilanes in the presence of shaped polymeric rhodium complex catalysts and their use'1996 5,527,937'Process for preparing hydrogenalkoxysilanes'1996 4,824,982'Method for the cleavage of organic siloxanes, and products and applications thereof'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to HUELS TROISDORF (1)· patent assignee history

1989–1998Based in Rheinfelden, DE· patent location history

1996–1998Patents assigned to HUELS CHEMISCHE WERKE AG (9)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HUELS CHEMISCHE WERKE AG	9	1996–1998
HUELS TROISDORF	1	1989

Locations

Location	Patents	Span
Rheinfelden, DE	10	1989–1998