Inventor
PINSCHMIDT JR ROBERT K
US43 patents
⚠️ This page may combine multiple inventors who share the name “PINSCHMIDT JR ROBERT K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AIR PROD & CHEM
33 patentsUS4921621AMay 1, 1990
Hydrolyzed co-polymers of N-vinylamide and acrylamide for use as waterloss control additives in drilling mud
AIR PROD & CHEM52 citations96
US5270379ADec 14, 1993
Amine functional polymers as thickening agents
AIR PROD & CHEM53 citations95
US5397436AMar 14, 1995
Paper wet-strength improvement with cellulose reactive size and amine functional poly(vinyl alcohol)
AIR PROD & CHEM51 citations92
US5342894AAug 30, 1994
Graft polymers of ε-caprolactam
AIR PROD & CHEM44 citations92
US5300566AApr 5, 1994
Method for preparing poly(vinyl alcohol)-co-poly(vinylamine) via a two-phase process
AIR PROD & CHEM48 citations92
US5194492AMar 16, 1993
Two-phase process for preparing poly(vinyl alcohol)-co-poly(vinylamine)
AIR PROD & CHEM32 citations92
US5155167AOct 13, 1992
Vinyl alcohol copolymers containing allylamine functionality
AIR PROD & CHEM24 citations92
US5086111AFeb 4, 1992
Amine functional polymers containing acetal groups
AIR PROD & CHEM37 citations92
US5085787AFeb 4, 1992
Crosslinked vinylamine polymer in enhanced oil recovery
AIR PROD & CHEM45 citations92
US4943676AJul 24, 1990
Thermolysis of poly(N-vinylformamide) to poly(N-vinylamine)
AIR PROD & CHEM24 citations92
US4931501AJun 5, 1990
Modified poly(vinyl alcohol) containing morpholinoalkylether groups
AIR PROD & CHEM25 citations92
US4663410AMay 5, 1987
Polymers of self- and hydroxyl reactive formaldehyde-free cyclic hemiamidal and hemiamide ketal crosslinking monomers
AIR PROD & CHEM26 citations92
US5324787AJun 28, 1994
Modification of poly (vinylamine)
AIR PROD & CHEM40 citations91
US5185083AFeb 9, 1993
Separation of solids from aqueous suspensions using modified amine functional polymers
AIR PROD & CHEM41 citations91
US4447570AMay 8, 1984
Binder compositions for making nonwoven fabrics having good hydrophobic rewet properties
AIR PROD & CHEM37 citations91
US5451653ASep 19, 1995
Curable crosslinking system with monobenzaldimine as crosslinker
AIR PROD & CHEM23 citations89
US4788288ANov 29, 1988
Self-and Hydroxyl reactive formaldehyde-free cyclic hemiamidal and hemiamide ketal crosslinking monomers
AIR PROD & CHEM23 citations82
US5136094AAug 4, 1992
Process for the synthesis of secondary formamides
AIR PROD & CHEM14 citations74
US4973410ANov 27, 1990
Crosslinked vinylamine polymer in enhanced oil recovery
AIR PROD & CHEM17 citations74
US4864055ASep 5, 1989
Self- and diol reactive formaldehyde-free crosslinking monomers and their derived polymers
AIR PROD & CHEM17 citations74
US4691026ASep 1, 1987
Self- and hydroxyl reactive formaldehyde-free cyclic hemiamidal and hemiamide ketal crosslinking monomers
AIR PROD & CHEM13 citations74
US4360632ANov 23, 1982
Ketone bisulfites as reducing agent for free radical polymerization
AIR PROD & CHEM18 citations74
US4341898AJul 27, 1982
Synthesis of isocyanates from nitroalkanes
AIR PROD & CHEM7 citations74
US5519093AMay 21, 1996
Synthesis of amine functional co-and terpolymers
AIR PROD & CHEM12 citations73
US5463110AOct 31, 1995
Michael adducts of N-vinylformamide and acrylic and methacrylic esters
AIR PROD & CHEM13 citations73
US4959489ASep 25, 1990
Process for making an acrylamide containing a dialkyl acetal group
AIR PROD & CHEM7 citations73
US4906777AMar 6, 1990
Synthesis of ethylidene bis-formamide using formic acid
AIR PROD & CHEM13 citations73
US5569725AOct 29, 1996
N-vinyl-n-acyl urea resins
AIR PROD & CHEM9 citations72
US5280077AJan 18, 1994
Process for the synthesis of oligomeric vinylamines
AIR PROD & CHEM6 citations71
US5463007AOct 31, 1995
Polymers of self- and diol reactive formaldehyde-free crosslinking monomers
AIR PROD & CHEM3 citations63
US5117056AMay 26, 1992
Preparation of N-(1-alkoxyalkyl)formamide and bis formamides
AIR PROD & CHEM3 citations63
US4968841ANov 6, 1990
Synthesis of ethylidene bisformamide from vinyl acetate
AIR PROD & CHEM3 citations63
US5180851AJan 19, 1993
Preparation of n-(l-alkoxyalkyl)formamide and alkylidene bisformamides using amine neutralized ion exchange resins
AIR PROD & CHEM0 citations52
CARBON INC
8 patentsUS11312084B2Apr 26, 2022
Methods for producing helmet inserts with materials having multiple mechanisms of hardening
CARBON INC6 citations94
US10899868B2Jan 26, 2021
Methods for producing footwear with materials having multiple mechanisms of hardening
CARBON INC15 citations94
US11707893B2Jul 25, 2023
Methods for producing three-dimensional objects with apparatus having feed channels
CARBON INC5 citations86
US12172382B2Dec 24, 2024
Methods for producing three-dimensional objects
CARBON INC0 citations73
US11241822B2Feb 8, 2022
Dual cure resins for additive manufacturing
CARBON INC3 citations72
US10843402B2Nov 24, 2020
Three-dimensional printing with reduced pressure build plate unit
CARBON INC5 citations71
US11820072B2Nov 21, 2023
Dual cure resins for additive manufacturing
CARBON INC0 citations62
US10792856B2Oct 6, 2020
Three-dimensional printing with flexible build plates
CARBON INC0 citations39