Inventor

Harro Traubel

Inventor

Leverkusen, DE

Overview

35→

Patents

1978–2001

Patent span

Chemistry

Primary field (CPC C)

Patents· 35 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 bonds22%

C14CChemical treatment of hides, skins or leather, e.g. tanning, impregnating, finishing16%

Y10TTechnical subjects covered by former us classification8%

D21HPulp compositions7%

D06NWall, floor, or like covering materials, e.g. linoleum, oilcloth, artificial leather, roofing felt, consisting of a fibrous web coated with a layer of macromolecular material6%

D06PDyeing or printing textiles6%

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments4%

C09DCoating compositions, e.g. paints, varnishes or lacquers4%

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

B01FMixing, e.g. dissolving, emulsifying or dispersing2%

PatentTitleYear

6,303,213'Substrates secure against unauthorized copying and their production'2001 6,254,644'Biologically degradable leather'2001 6,143,132'Process for imparting wet strength to paper'2000 6,090,871'Paper finishing aid'2000 5,917,083'Process for the manufacture of allophanates having isocyanate groups'1999 5,898,049'Biodegradable and compostable shaped bodies'1999 5,888,400'Process for preparing low-salt preparations of condensation products'1999 5,885,474'Use of polyaspartic acid amides as leather auxiliary products'1999 5,846,383'Process for producing structurally resistant paper'1998 5,820,634'Process for tanning leather'1998 5,770,651'Use of oligourethanes as formulating agents for aqueous pigment preparations'1998 5,739,249'Chlorine-free multifunctional resins for paper finishing'1998 5,618,317'Bisulfite-blocked polyisocyanates as tanning agents'1997 5,580,355'Leather tanning agent and standardizing agents for dyestuffs'1996 5,518,764'Process for coating textiles'1996 5,503,714'Chlorine-free multifunctional resins for paper finishing'1996 5,468,257'Process for dying leather with pigments and cationic binders'1995 5,417,723'Use of ester urethanes for retanning'1995 5,342,556'Microcapsules made of isocyanates with groups containing polyethylene oxide'1994 5,268,416'Oligourethanes as forming agents for non-aqueous pigment preparations'1993 5,103,521'Leather treatment agent and its use'1992 5,074,884'Process for the dyeing of leather with anionic dyes and polyaminoamide resin as dyeing auxiliary'1991 5,009,921'Process for finishing leather'1991 4,895,883'Polyurethane ureas'1990 4,831,075'Leather treatment agent'1989 4,810,251'Fatliquoring solution dispersion or emulsion and a process for treating leather therewith'1989 4,687,830'Process for the production of light-stable, solvent-resistant polyurethane-urea elastomer coatings by reactive coating'1987 4,310,493'Apparatus for the mixing and application of reactive materials'1982 4,302,550'Process and apparatus for the mixing and application of reactive materials'1981 4,225,695'Radiation-hardenable binders based on thio-polyols'1980 4,207,128'Reactive polyurethane coatings'1980 4,187,074'Water-soluble cationic oligourethane resins and the use thereof for the treatment of pelts or leather'1980 4,126,413'Tanning with carboxylic acid carrying ester, urethane and/or amide group'1978 4,106,897'Leather tanning with oligourethanes'1978 4,106,898'Leather tanning with oligourethanes'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–2001Patents assigned to BAYER AG (35)· patent assignee history

1978–2001Based in Leverkusen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BAYER AG	35	1978–2001

Locations

Location	Patents	Span
Leverkusen, DE	35	1978–2001